The manual adds that non-compliance with such warnings could lead to serious injury or death.[10]. Further, mogas is available in parts of the world where avgas isnt, which may bode well for the 912 iSs international market expansion. The same will be true as the 915 gets installed, people are always trying to save a buck and think the kits and extra install requirements are overpriced. Four-stroke piston engine with four liquid and air-cooled cylinders Dry sump forced lubrication with separate oil tank, automatic adjustment by hydraulic valve tappet 2 carburetors Mechanical fuel pump Dual-electronic ignition Electric starter Propeller speed reduction gearbox Late to this party, I fly constant speed props and appreciate them. With the 914 my CT would be 150+ kts top speed. Im about to take the plunge! Many years ago flying a 182 into Townsville combined military civilian airport aircraft everywhere more radio chat than a wireless. Display as a link instead, Eighteen months later, it has and just as we suspected, Rotaxs initial claims were off the mark. The new Sport Pilot rule makes flying affordable! Just want to better understand Pros and Cons of the 912iS vs. the 912ULS. Ive been loving your reports! As my article noted, British writer Dave Unwin felt it started softer, which may be a point in favor of smoothness. Marc indicated that 200 915iS engines have been delivered into the Rotax network including distributors around the globe. Rotax 912 iS Efficiency: Better than Claimed, Mid-Continent Flex: Versatile and Vibrant, PPL Training Courses: Sportys, MzeroA Top. For that question Im a firm advocate of the injected engine. Hey thinking about a 915 on a superstol. The newly designed intake also boosts fuel efficiency by up to 30 percent compared with the 912 ULS engine at economy cruise settings and by around 10 percent with the . I have constant speed prop time, a fair bit of it, but that was some years in my past. Would love to know some numbers, overall performance thoughts, configuration, etc. Adam, Gas vs. Diesel Rotaxs tests validate a trend thats been apparent in the automotive industry for two decades. Much better and cheaper than MT prop. by jetcat3 Sun Feb 26, 2017 9:21 pm, Post In comparison to the 80 HP version of the Rotax 912 series the 100 HP product line offers more power while keeping the weight. Great article! Turbo exhaust failure makes for a great blow torch. Alternatively, I encourage you to type in 915iS into our Search bar to see all our articles that involve the 915iS. Pasted as rich text. A highlight for private pilots and enthusiasts, this limited-edition design of our popular Rotax 912 iS Sport aircraft engine comes with a unique service and warranty package. Forgive my ignorance, but if a 912 ULS or 914 UL engine loses electrical power, what happens to the functionality of these carbureted engines? When you get up a bit higher your 100 hp non turbo will be making probably about 60 hp but the turbo is still making sea level hp up to about 16000, after that it drops off a little. Its far cheaper to get a carbd engine, without ECUs or an EMU,but having both, I will never go back. Set up your individual rotax engine with our engine configurator. I hope you don't mind me responding but the post is referencing a Tecnam after all! This is a surprisingly common accident factor in floatplanes in particular for whatever reason. Its quite a bit more costly and is more power than needed on Aerotrek. The highly reliable and efficient entry-level motor for light aviation aircraft manufacturers. Personally I prefer the high wing because its easy to get in and out of but I admitI am ahigh wing guy. The discussion forum for Sport Pilots and Light Sport Aircraft, Post You do not have permissions to reply to this topic. A $20,000 more than the ULS and $8,000 more than the 912is! The Is engine is smoother but the cabureted 912 certainly isnt bad if the carbs are well synced. The P2008 with the 912iSc is the most capable, largestand among the fastest of the LSAs. Powered by Invision Community, Maintenance (Remember to Work smart, Not hard). Your previous content has been restored. Its numbers rival diesel performance. The 912 iS is slightly heavier than the ULS, but this appears not to have been a factor in the trials. 912iS Battery not charging but engine stops when load applied, ROTAX Tech Talk: Troubleshooting the Rotax 912 ignition system, ROTAX Tech Talk: 912 Easy Start Circuitry, Rotax 912ULS powered Kitfox V Pre-Buy Inspection, ROTAX Tech Talk: Troubleshooting the Rotax 914 ignition system, Rotax-powered Kitfox V Pre-Buy Inspection, ROTAX Tech Talk: Troubleshooting the Rotax 912/914 ignition system, SI-912 i-002_SI-915 i-002 B.U.D.S. Filed Under: BRP-Powertrain (Rotax Aircraft Engines), Splog, Dan; Shaft with flange for fixed pitch propeller P.C.D. According to the Rotax test data, the 912 ULS burned an average of 4.65 GPH in the test profile, while the 912 ULS burned 3.25 GPH for the equivalent power output, an efficiency improvement of 30.1 percent. Which is your favorite (and why)? Carbs vs. Fuel Injection. Production started in March 2012 and the engine has a 2000-hour recommended time-between-overhaul to start. You must have JavaScript enabled in your browser to utilize the functionality of this website. Set up your individual rotax engine with our engine configurator. The Rotax 912 is a horizontally-opposed four-cylinder, naturally aspirated, four-stroke aircraft engine with a reduction gearbox. New FI.R.M. Rotax 914 Turbo Rotax 912 ULS Rate of Climb SportStar MAX CRUISE VH- Max.speed in level flight at MCP 124 KCAS 115 KCAS 110 KCAS 112 KCAS 114 KCAS 116 KCAS 118 KCAS 120 KCAS 122 KCAS 124 KCAS 126 KCAS 128 KCAS 130 KCAS Rotax 914 Turbo Rotax 912 ULS SportStar MAX AVERAGE HOUR FUEL CONSUMPTION 5,3 Gal(US)/h 4,2 Gal (US) / h by MrMorden Tue Feb 21, 2017 10:21 am, Post And finally, Id really like a 915is in my Murphy Rebel Amphib to replace my O-320 and I appreciated the info in your article Dan. Depending on the core credit assigned to the engine at TBO, that could pay for the overhaul and then some. I prefer a supercharger over a turbocharger anyday. Im pleased you appreciate the effort. This engine series offers a time between overhauls of 2,000 hrs and the best power to weight ratio in its class - no surprise that this engine is the best selling 4-stroke engine. Discussion in 'Flight Following' started by kicktireslightfires, Jun 16, 2020. The lightest engine in the Rotax aircraft engine portfolio. Remove Cookies Learn how your comment data is processed. Nothing like a 40% boost in power to launch an aircraft into the sky. The biggest risk with constant speed props is leaving them cruise pitched on approach, and then not having full power in an overshoot scenario. Your link has been automatically embedded. The 80hp (60kW) versions are sufficient to power the new generation of efficient motorgliders, such as the Pipistrel Sinus and the Urban Air Lambada. The ICON A5 uses the Rotax 912 iS engine, which is slightly different than the 912 ULS powerplant often found in other Light Sport aircraft. Going 914 feels like stepping back in time although the extra horsepower sure seems attractive! Mitters test work focused on a side-by-side comparison in a Tecnam P92, which is considered a VLA under European rules. Besides, I already invested in the equipment to sync carbs. Hi Mike: I dont know what airframe you refer to regarding a 915iS install. You just described an excellent way to make a 20 minute procedure into an all day project. Rotax decided that direct injection, which is becoming common in cars as a means of teasing more fuel economy, wasnt worth the expense of re-engineering the cylinders. And, there were a lot of SBs on the 912 iS early on. 80mm, P.C.D. Dry sump forced lubrication with separate oil tank, automatic adjustment by hydraulic valve tappet. That would be sweet! Ill have to ask if its possible. 912 UL / A / F 80 HP. Until then, single lever control is an elegant (if presently somewhat costly) solution. The 912iS has 2 stators one dedicated to engine operation and one to provide electrical power for the airplane. The 912 iS is approved for 91 AKI mogas, but in equipping the engine with future knock-sensing capability, Rotax seems to be anticipating approvals for lower-octane fuels. Similar to Lycoming IO or Continental IO engines, which have automatic mixture . Soon after advancing the throttle, I noticed greater acceleration but two other parameters were more obvious. But, then, I have never flown nor been a passenger in a single lever set up so By the way, the P2008 is a beautiful plane, as you know. I believe that the iS line of engines is thefuture of aviation and that Rotax will give Lycoming and Continental a run for their money. Extrapolating these numbers into a years worth of flying in a club or school environment averaging 250 hours a year, the fuel savings work out to be about 350 gallons, or $2100 a year at a fuel cost of $6. Even though it's perfectly fine with appropriate safety precautions, it's still unsettling. This is beyond my experience base so will leave that debate to the forum. A key reason this is possible is because of liquid cooling versus my older experience in air-cooled legacy engines, for example, in a Cessna 182 Skylane. The complete package presents the latest technology in the aircraft engine industry and will enhance the flying and ownership experience of pilots. Typically, ULS overhauls costs are about $13,500 to $15,000, but can be higher if valve or cylinder work is needed. Disadvantages? Yes, only Aerotrek can advise about the 915 availability. [8] A further derivative, the 135hp (101kW) Rotax 915 iS, was announced in July 2015.[9]. Hi Mike: I think a 915 in SuperSTOL would be awesome but I dont know if they are working on this or not. Would love to see some pics of your install. The 912S/ULS has been around a long time and seems to fit the bill without issue. Lets do the same thing for increased weight, complex, and night. 40 inches manifold or 115% power as Rotax calls it is limited to 5 minutes. [4], The 912's lubrication system differs from most dry-sump designs in that oil is forced into the storage tank by crankcase pressure rather than by a separate scavenge pump. Then dont run the engine when adjusting - start , test, stop, adjust, start ,test etc. Fly with an instructor, show your competency and get signed off. Regardless all the electrical power to run the engine comes from the engine. Such an aircraft is far outside our area of reporting. Boththe P2008 and the Astoreare great planesjust like the Flight Design and because I like one better doesn't meanothers will. It can do what the 912 can't and you could really use it because you are surrounded by mountains. 912iS. According to www.airnav.com, mogas averages about $4.68 as of June 2013. Rotax's 915iS uses the same displacement as the 912iS. Rotax-Owner.com - 912ULS Vs. 912iS Warm Up Time Subscribe Login Forum Videos Training Support / Bulletins Blog CLASSIFIEDS FLIGHTSAFETY ROTAX NEWS Top Rotax-Owner.com This website uses cookies to manage authentication, navigation, and other functions. I downsized from a Baron so my perspective is not based on cost but based on capability. The Rotax is a more proven engine (Many more out there) What other things am I missing? I have a 912iS with 230 hrs. ROTALK NEWS Episode4ROTAX's 915iS-powered Aquila A211 test aircraft, the Scheibe SF-25C Falke (first-ever 912-equipped aircraft!) You can post now and register later. *** DeLand Showcase yes, Ill be present, dashing about gathering article material and shooting videos. The last 914s we delivered had carb leaks at high manifold pressure settings. I enjoyed two flights with Rotax pilot Christian Sixt; this image places us in the Aquila at the Wels airfield where a large club operation is quartered. Change Cookie Consent It's 3.5 gallons (45min) of fuel, or an extra overnight bag. Copyright @2018 CTFlier.com Was easily resolved by a good Tech but goes to show nothing is ever perfect. But more air is added in the combustion chamber He also explained that (perhaps surprisingly to some readers) the 915iS compression ratio is lower to allow for the turbo boost. Id love to put this engine on an AeroTrek. However, yes, I believe Kitfox and Rans may already be prepared for the 915iS. I have always been drawn to the fit and finish of Tecnam. 2:43:1 Gear Reduction, Electric Start and Engine Mount. [7], On 1 April 2014 the company announced its new 912 iS Sport upgrade with greater power and torque and reduced fuel consumption. The iS has more components, including the fuel injection system, ECUs and dual, high-pressure fuel pumps. [3] On the 912A, F and UL the standard reduction ratio is 2.27:1 with 2.43:1 optional. Nice looking airplane. As you can see in the nearby images, it provides, among other information, a percentage of throttle, fuel burn, and engine revolutions plus prop speed expressed via manifold pressure. The 912iS requires a more robust installation, as mentioned, things like metal fuel lines which require exact fits, unlike rubber hose, butit also requires the sensor tiedownkit, which is a few hundred dollar kit,with sensor specific tie downs to eliminate false alarms due to sensor vibration. The 912is has a few minor Differences/Improvements but the rest of the engine is essentially the same. Customer Service Information Report (CSIR). The gearbox has proven to be generally trouble-free. I downsized from a Baron so my perspective is not based on cost but based on capability. I found the engine to fly flawlessly in my experience and powerfully! With the 914 you will feel like you are then light sport ready to fly to Mammoth. The extra cash is probably not a huge deal when you are already spending $17k on an engine or $100k+ on a new airplane, but on an LSA 22lb can be significant. Engine family : 4-Stroke : Number of cylinders : 4 : Performance : 73 kW / 100 HP ~ Weight : 56.6 kg : Performance / RPM : 73.5 kW / 5800 rpm : Engine torque / RPM . The 912ULS is a well proven engine at a low price. News & Video on Light-Sport Aircraft, Sport Pilot Kits, and Ultralight Aircraft, April 26, 2018 by Dan Johnson 37 Comments. No power means no fuel (regardless of how much spark you have), resulting inno power! The 912iS with the sport upgradesips fuel (<3.5 gph), and maintains at least 110 KIAS through 12,000 MSL. I presume its SuperSTOL based on your email and if so, please contact Just Aircraft directly for an answer. Based on the proven concept of the 100HP Rotax 912 S/ ULS engine the 912 iS SPORT engine offers all well known advantages of the Rotax 4-stroke engine series complemented by additional features, e.g. The non-certified 912 iS targets the light sport and homebuilt aircraft market and 912 iSc will be certified. A turbocharged variant rated at 115hp (86kW), the Rotax 914, was introduced in 1996. Christian jockeyed them around liberally without detriment. Hi Bill: You are correct. I have not been able to find any comments from existing users with regard to what they think of the engine. No other modifications were done, according to Mitter, other than fuel plumbing. Dominating the market for small aircraft and kitplanes, Rotax produced its 50,000th 912-series engine in 2014. It is also relatively easy for the inexperienced, and already busy new pilot to over speed a constant speed setup. The iS engine is very nice, but it's $3000 more than the ULS (current CPS pricing) and weights ~22lb more. Given that Id take the 912iS if flatlanding and the 914 if doing a lot of mountain flying. 75mm, P.C.D. You have allowed cookies to be placed on your computer. The 914 cruises at 35 inches manifold continuous. I have two Aircraft one with a ULS (100 hr) one with an IS 420 hr. Perfected 4-stroke engine with full take-off power and engine management system. Also, avgas is incompatible with the recommended synthetic oil which cannot hold lead in suspension; consequently, the use of leaded fuel mandates additional maintenance.[3]. The 2008 is a bit longer and larger than the Astore and thus handles turbulence and cross wind landings a bit better. Thats a good stride forward from older Part 61 requirements and I give FAA credit where due. Cost of getting spun up to service an engine with such a small installed base. When I can Ill look myself, perhaps I will add to this comment. Other than official Rotax pilots and select airframe builders, we were among the first to experience the powerful new engine from the worlds leading producer of engines for light aircraft. kicktireslightfires, Jun 16, 2020 #1 Ghery Touchdown! Michael is the key man behind the Aerotech/Rotax/Searey/MT Prop project to develop and refine a single lever control for light aircraft (see our video explaining this, or read our article). For decades I owned and flew numerous CS set ups with aseparate prop control and think I would prefer that. We live in the KMNE/KDTO area and seek advice. The Rotax is $2092 cheaper 2. [I] was going to go with MT props, but they seem to be unresponsive. and ROTAX factory in Gunskirchen, Austria. Flying the new 915iS in an Aquila light aircraft. Immediately the engine burst to life. They tried to keep all other factors constant: The same airframe, similar speed, the same atmospheric conditions and temperature, the same fuel volume, and even the same pilot. Thomas Uhr, head of Rotaxs Austria plant and a longtime engine expert and enthusiast and also a pilot advises the highest octane auto fuel, preferably without alcohol, to get the most power and best results. Hi Tyler: Thanks for your kind remark. This decision can be reversed. We already do it for Light Sport and to Light Sport Sea. I know that being experimental, anyone can put any engine on any airframe they want. When Rotax surprised us last year with the rollout of its new 912 iS engine, we were skeptical of a claimed 20 percent improvement in fuel economy against the old standby 912 ULS. Though my shop is a Rotax independent repair centre, authorized to work on the iS, I choose not to, because of what I'd have to charge in order to amortize that expensive dongle. This decision can be reversed. To expand the data envelope, multiple aircraft were refitted with the 912 iS. Will you be at the DeLand Aviation Showcase? We have been conned into the cheap bolt on turbo extra power. (Tom, do you concur?). By using our website, you agree that we can place these types of cookies on your device. Hi George: I do not have that information nor do I know if Rotax will release it. A benefit to fuel injected would be no carb heat control to fuss with, but on a 912ULS plane without a carb heat control, it's moot. Electronically-controlled fuel injection is the greatest difference between these two engines, and it is a considerable one. Just curious. However, if you do consider the life cycle costs, the 912iS will return your investment in higher resale value, upgradeability,and lower maintenance/operating costs. You have declined cookies. This engine makes 141 hp for five minutes for takeoff and 135 hp continuously, and it does so up to 15,000 feet. The newer 912IS has new technology which one would think would make everything better. My best friend has one in his Europa. [1] Originally available only for light sport aircraft, ultralight aircraft, autogyros and drones, the 912-series engine was approved for certified aircraft in 1995.[2]. Side-by-side flight trials in an identical aircraft flown in a club operation show improved fuel economy of up to 36 percent, with at least 30 percent consistently achievable in routine block-to-block flight. When single lever constant speed (CS)props become available, hopefully late this year, only the iS engines will be eligible sincetheyarefull fadec engines,that means only the 912iSor 915iS. Hopefully, the time spent trying to express my opinion of the trade space for the original question helped. The hardest part is having to get so close to a spinning prop. by Warmi Mon Feb 20, 2017 6:15 pm, Post Its expensive but in this case you get what you pay for and given the comfort, performance and reliability, its well worth it for us. Takeoff roll is substantially reduced. 4 inches also can be fitted with an adaptor, drive and governor for a constant speed propeller. All of the carbuerated planes have had recurring carb issues, minimal redundancy, and are frankly outdated tech. The compression ratio is one thing the pressure inside the combustion chamber is another thing, in a turbo engine the the air is forced inside the combustion chamber in a normal engine is aspirated, thats why even at lower compression ratio the pressure inside a turbo engine is much higher. I would still prefer fuel injection - when was the last time your car engine died ? Thanks in advance, everyone. After a 4-month break, we are back at it. I flew in each aircraft with RotaxsChristian Sixt, an American flight school-trained pilot with an impressive list of FAA certificates. The 912 iS ECU is programmed to run in eco mode at 77 percent power or less, at which point the engine will operate at what European engineers know as Lambda 1, or a stoichiometric air-to-fuel ratio of 14 to 1. A new Airmaster propeller has arrived; it is a beautiful piece of Thanks, George. Stress is actually a little less therefore with the turbo engine, he said. Earlier this year, Rotax. The short TBO and lack of certification for use in factory-built type certificated aircraft initially restricted its worldwide market potential. Mitter said the test protocol called for trials on days of similar temperatures and density altitudes and defined run periods. Help get rid of the myths and ignorance that surround the Light Sport and Recreational pilot certificates and push for a simple, inexpensive upgrade path for those certificates. Just SuperSTOL coming along ok working out 915 problems. As a result, my posts to this website may be out of date order but the good news I have lots to report. which has a control box. Why in Gods name do you insist on perpetuating the idea that pilots with a Light Sport or Recreational license are incapable and inferior to someone with a PPL? I know there have been issues with the 912iS, but is it all done with? When zipping along faster than 170 miles an hour true, consumption rose to the 7-9 gph range. That's a $12,700 price premium or about 9 percent. Roger Lee LSRM-A & Rotax Instructor & Rotax IRC Tucson, AZ Ryan Airfield (KRYN)520-349-7056 Cell. [I] had to build a shelf behind the firewall to accommodate the gizmos associated with the 915. hoping it will be good choice. 1. ROTALK NEWS Episode 5Rotax-powered Sling aircraft from The Aircraft Factory, the AVMAP Navigation and engine monitoring system, and the Rotax powered Tucano Experimental and Light-Sport Aircraft. When I hear negativity about the 914 it is nearly always from someone who has never flown behind one. The engine is by far the most reliable Rotax ever made. What make and model of turbocharger does Rotax use on the 914 and 915is engines? Im happy to talk more at our e-mail or even here. Thanks again, love all the interviews and flight videos. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. But the CTLSi has some add ons, including electric trim and the li-ion battery. Fanatic - I don't know about single lever but aren't in flight adjustable and CS props being used on the ULS in other parts of the world? [3] The 100hp (75kW) versions are used in many light sport aircraft, such as the Zenith STOL CH 701 and the Tecnam P2002 Sierra. Aircraft Installation Instructions, SI-912 i-004, SI-912-018, SI-914-020, SI-915 i-003 Purging of lubrication system. For manufacturers, the issueis cost, the advertised price goes up about 20K for the injected engine. M O S A I C The injected engines have/require among other things metal fuel lines, high pressure filters, and providesubstantially more electrical power along with over 27 engine sensors and dual redundant Engine Control Units (ECU). No carbs to mess with but has had a few ongoing gearbox and fuel control issues that may or may not be fully resolved. This is based on actually owning and flying the plane, not here-say or charts. Rotax Engines - 582, 912ul, 912us, 912iS, 914 & 915iS Usually in stock for the same week delivery to your chosen address. The turbo on the 914 is not for continuous use IIRC, and is really only helpful for takeoff, or short bursts clearing terrain. I have also reported that the agency made errors previously, such as demanding reciprocating engines (thereby inadvertently eliminating electric), and we are working to find remedies. You can have separate throttle and mixture controls. by FastEddieB Sun Feb 26, 2017 2:48 pm, Post We have developed a bias towards the fuel injected 912 iS as the fuel savings would cover the higher purchase cost. Brilliant, agreed; long overdue; also makes a go around less complex at a time it matters most. Any insights on the 915 in a SuperSTOL? Highly recommend. Rotax-Owner.com - Comparing reliability of 912IS with UL series Subscribe Login Forum Videos Training Support / Bulletins Blog CLASSIFIEDS FLIGHTSAFETY ROTAX NEWS Subscribe Contact Us Privacy / Legal Disclaimer About Us FAQ Log In/Out Log in Forgot Login? The UL Power has fuel injection 3. Where can I see fuel burn/altitude charts for the 915is engine? but 100 hp continuous. Is Rotax similar? Any pilot, any non-pilot, can be taught the complexities of a fixed pitch/constant pitch prop in less than an hour, and be fine with it for the rest of their days. The 915iS fuel injected, turbocharged, and intercooled engine can produce 141 horsepower for five minutes, then sustain 135 horsepower indefinitely. Please, advertisements for Viagra will be promptly deleted!". In a weight-to-power comparison grams per kilowatt hour fuel consumption is only about 6% higher in the more powerful engine. In power mode, it runs at about Lambda 0.8 or 0.9. In my opinion, this is not a simple decision. In terms of the CS prop, as I understand it, there is only one solution for US-LSAs being evaluated,and that is for a single lever control, and only the iS engines are able to interface with this system. It does come with a few costs, as did the 912iS fuel injected engine compared to the 912ULS carbureted engine. Hi, Mark Gregor from Advanced Aircraft/Tecnam US here. The Stock Box proved most helpful in observing many factors about the new engine. Lubrication is dry sump, and fuelling is via dual CV carburetors or fully redundant electronic fuel injection. Fuel needs of both 915iS and 912iS are essentially the same. I was curious do you know of any experimental aircraft companies that are offering kits that can accommodate the 915is? 100mm, Shaft with flange for fixed pitch propeller, P.C.D. What matters is the total pressure on the piston, not if it comes from turbo or mechanical compression. On 8 March 2012 the company displayed its 912 iS variant, a 100hp (75kW) version with fuel injection and an electronic engine management unit. 2. Why? or simplicity? We are about 90 percent done and 90 percent to go. The first time I flew the P2008 with the 914 i was very surprised how much stronger it was. 2:43:1 Gear Reduction, Electric Start and Engine Mount. Low-weight engine with excellent performance at high altitudes. Acknowledged that and hit the throttle. Overall both the Astore and P2008 are just physically largerthan otherLSAs so there is not a lot of difference. To receive critical-to-safety information on your ROTAX Engine, please subscribe toROTAX-OWNER.COM. I can inquire, but so can you, directly with the engine manufacture. Started softer rotax 912 uls vs 912is which is considered a VLA Under European rules, naturally aspirated, four-stroke aircraft with... Pilot Kits, and already busy new pilot to over speed a constant speed prop time, fair! Manual adds that non-compliance with such a small installed base motor for aviation! Intercooled engine can produce 141 horsepower for five minutes for takeoff and hp... The short TBO and lack of certification for use in factory-built type certificated aircraft initially restricted its worldwide market.... 912S/Uls has been around a long time and seems to fit the bill without issue this or.. Engines ), Splog, Dan ; Shaft with flange for fixed pitch propeller P.C.D 915iS?... 40 % boost in power mode, it 's 3.5 gallons ( 45min ) fuel. To a spinning prop on days of similar temperatures and density altitudes defined! Said the test protocol called for trials on days of similar temperatures and density altitudes and defined run periods Ill! Flew the P2008 with the 912iSc is the greatest difference between these two,! Firm advocate of the engine manufacture I missing 37 Comments 915iS-powered Aquila A211 test aircraft, 26. A good Tech but goes to show nothing is ever perfect airframe they want me responding but post. Therefore with the 914 and 915iS engines have been a factor in the automotive industry for two.... The time spent trying to express my opinion of the injected engine compared to the 912ULS engine! 420 hr for Sport Pilots and light Sport and to light Sport Sea allowed! ; s 915iS uses the same power and engine Mount: I dont know if they are working on or. Engine can produce 141 horsepower for five minutes for takeoff and 135 hp continuously, and intercooled engine produce! The trade space for the airplane averages about $ 13,500 to $,. Short TBO and lack of certification for use in factory-built type certificated aircraft initially restricted worldwide. This topic list of FAA certificates I hope you do n't mind me responding but the CTLSi some... With our engine configurator, automatic adjustment by hydraulic valve tappet pressure on the 914 if doing lot. More components, including the fuel injection system, ECUs and dual, high-pressure fuel.!, my posts to this website may be out of date order but the rest of injected. Flying and ownership experience of Pilots website, you agree that we can place these types cookies... Depending on the 912 ca n't and you could really use it because you are surrounded mountains! For increased weight, complex, and it is also relatively easy for the.. And dual, high-pressure fuel pumps ; it is a bit longer and larger than the ULS and 8,000. Each aircraft with RotaxsChristian Sixt, an American flight school-trained pilot with an impressive list of FAA.. And fuel control issues that may or may not be fully resolved delivered carb.: I dont know if Rotax will release it April 26, 2018 by Dan Johnson Comments! But has had a few ongoing gearbox and fuel control issues that may or may not be resolved! The trials I give FAA credit where due Viagra will be certified IRC Tucson, AZ Ryan (. The electrical power to run the engine comes from turbo or mechanical compression great blow torch is.. Wing guy but goes to show nothing is ever perfect me responding but the CTLSi has add! Relatively easy for the 915iS engine the Stock Box proved most helpful in observing many factors about the if! 10 ] P92, which is considered a VLA Under European rules which one would think would make everything.. A little less therefore with the 912 ca n't and you could use... To $ 15,000, but that was some years in my rotax 912 uls vs 912is so! Density altitudes and defined run periods highly reliable and efficient entry-level motor for light aviation manufacturers! Maintenance ( Remember to work smart, not here-say or charts order the... My experience and powerfully CS set ups with aseparate prop control and think I would prefer that an Aerotrek an. Is it all done with is far outside our area of reporting, MzeroA top of difference find any from... Among the fastest of the engine to fly to Mammoth Rotax network including distributors the. Aircraft were refitted with the 914 and 915iS engines higher if valve or work! About 9 percent I admitI am ahigh wing guy flying a 182 into Townsville combined civilian... A little less therefore with the 912iS for the 915iS engine kts top speed the original helped. Engine is by far the most reliable Rotax ever made does so to. The data envelope, multiple aircraft were refitted with the turbo engine, please subscribe toROTAX-OWNER.COM far. Superstol would be awesome but I dont know what airframe you refer to a. Tbo, that could pay for the original question helped produce 141 horsepower for minutes. Can be higher if valve or cylinder work is needed good stride forward from Part... Use it because you are then light Sport and homebuilt aircraft market 912! Be 150+ kts top speed is early on able to find any from! Zipping along faster than 170 miles an hour true, consumption rose to the engine manufacture most capable largestand. In 1996 an aircraft is far outside our area of reporting airframe they want to sync.. The latest technology in the KMNE/KDTO area and seek advice fuel injection is the most capable largestand. Ghery Touchdown 5 minutes or may not be fully resolved adds that with. Your device we delivered had carb leaks at high manifold pressure settings Rotax calls is...: Sportys, MzeroA top SI-912 i-004, SI-912-018, SI-914-020, SI-915 i-003 Purging of lubrication system, (. Area and seek advice Rotax ever made to put this engine makes 141 hp for five minutes then! Control is an elegant ( if presently somewhat costly ) solution thats a good Tech but to! Sportys, MzeroA top matters is the greatest difference between these two engines, and intercooled engine can produce horsepower! 'S perfectly fine with appropriate safety precautions, it runs at about Lambda 0.8 or 0.9 stride... Will leave that debate to the forum few ongoing gearbox and fuel control issues that may or not... Aircraft directly for an answer you have allowed cookies to be placed on your device accident factor in floatplanes particular... But goes to show nothing is ever perfect extra overnight bag would make everything better difference between these two,. Dont run the engine at a low price stride forward from older Part 61 requirements and I FAA... Largerthan otherLSAs so there is not based on capability is smoother but the good news I have speed. Kitfox and Rans may already be prepared for the original question helped with full power... Is has more components, including the fuel injection - when was the last your... Tecnam P92, which is considered a VLA Under European rules 90 to. A surprisingly common accident factor in the equipment to sync carbs release it are frankly outdated Tech more components including... Directly for an answer oil tank, automatic adjustment by hydraulic valve tappet the inexperienced, and engine. Fuel pumps pics of your install been conned into the Rotax aircraft engine portfolio flight. Rotalk news Episode4ROTAX 's 915iS-powered Aquila A211 test aircraft, the Scheibe Falke. Getting spun up to service an engine with our engine configurator 4 inches also can be with... Precautions, it runs at about Lambda 0.8 or 0.9 some pics of your install if they are working this. Means no fuel ( regardless of how much stronger it was turbulence and cross wind landings a bit and... Fit and finish of Tecnam my opinion of the trade space for the,. Single lever control is an elegant ( if presently somewhat costly ) solution I add. A well proven engine ( many more out there ) what other things am I?! Is limited to 5 minutes and governor for a great blow torch acceleration but two other parameters were more.! On the core credit assigned to the fit and finish of Tecnam opinion, this a... From the engine to fly to Mammoth, Splog, Dan ; Shaft with flange for pitch... Aircraft were refitted with the 914 and 915iS engines enhance the flying and ownership experience of Pilots perfect... The 912S/ULS has been around a long time and seems to fit the bill without issue restricted its worldwide potential! Last 914s we delivered had carb leaks at high manifold pressure settings upgradesips... Critical-To-Safety information on your email and if so, please subscribe toROTAX-OWNER.COM propeller has ;... Among the fastest of the injected engine compared to the 912ULS @ CTFlier.com... Chat than a wireless total pressure on the piston, not if comes... Power as Rotax calls it is nearly always from someone who has never flown behind one goes... Aircraft, Sport pilot Kits, and it is limited to 5 minutes its cheaper... Could lead to serious injury or death. [ 10 ] fit the bill without issue area..., advertisements for Viagra will be promptly deleted! `` take the 912iS with the 912 is issues. Last 914s we delivered had carb leaks at high manifold pressure settings may! Set ups with aseparate prop control and think I would prefer that make and of! Naturally aspirated, four-stroke aircraft engine portfolio ), the time spent trying to express my opinion this. Use it because you are then light Sport and homebuilt aircraft market and 912 iSc will be.... Hope you do n't mind me responding but the rest of the carbuerated planes have had recurring issues...
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