It can do what the 912 can't and you could really use it because you are surrounded by mountains. Pilots are cautioned that the 912 engine is not suitable for: The manual states that Rotax gives no assurances that the engine is suitable for use in any aircraft, and that the engine may seize or stall at any time, which could lead to a crash landing. Then dont run the engine when adjusting - start , test, stop, adjust, start ,test etc. Hi Drew: Thanks for your kind words. Production started in March 2012 and the engine has a 2000-hour recommended time-between-overhaul to start. 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. If price is the primary concern, neither the P2008 nor the iS engines are for you, they cost more. 912iS. At altitudes needed for California cruising there's a 20kt difference. 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. We already do it for Light Sport and to Light Sport Sea. At this setting the 914 is making a lot more horsepower that a 912. by FastEddieB Mon Feb 27, 2017 7:35 am, Post The short TBO and lack of certification for use in factory-built type certificated aircraft initially restricted its worldwide market potential. Much better and cheaper than MT prop. 2 cents worth from an owner, Id say buy the 912iS or wait until the 915 is available, avoid the old tech dual carbd engines regardless of cost. 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. When I can Ill look myself, perhaps I will add to this comment. 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]. Nice looking airplane. In terms of power, our 912iSc sport engined P2008climbs out of Mammoth Lakes on a 90 degree day, with full tanks, two on board, one bag,at 1000fpm at 80KIAS. * leaded, unleaded, AVGAS 100LL, Ethanol 10** max. Four-stroke piston engine with four liquid and air-cooled cylinders. Your email address will not be published. and ROTAX factory in Gunskirchen, Austria. Heres our video on a system called Single Lever Control, which LAMA has promoted with some success to FAA for consideration in their ongoing Rulemaking update to LSA and Sport Pilot. Even as the 912 iS was being announced last year, Rotax was already flying comparison trials, but the initial fuel economy data it released was based on dyno runs and some flight testing. 912 UL / A / F. The highly reliable and efficient entry-level motor for light aviation aircraft manufacturers. However, the engine received US Federal Aviation Administration (FAA) certification in 1995, and by 1999, the TBO had increased to 1,200hours;[3] on 14 December 2009, the TBO was raised from 1,200hours to 1,500hours, or 1,500hours to 2,000hours, depending on serial number. 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. industrial art! Also as has been mentioned the 914 is quieter and very smooth. 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. Just curious. The highly reliable and efficient entry-level motor for light aviation aircraft manufacturers. Starting was as with any Rotax 9-series engine Ive ever flown. Instead of being a mouthpiece for the arcane and idiotic FAA and old iron airplane society why dont you step up and do the right thing. or simplicity? This website uses cookies to manage authentication, navigation, and other functions. The discussion forum for Sport Pilots and Light Sport Aircraft, Post Aircraft Installation Instructions, SI-912 i-004, SI-912-018, SI-914-020, SI-915 i-003 Purging of lubrication system. Set up your individual rotax engine with our engine configurator. FAA Regulation Update Fall 2022. You have allowed cookies to be placed on your computer. In the interest of getting this out now (Im away from my office), I will just say Id be surprised if that kind of information is not on the FlyRotax website. Joined: Feb 25, 2005 Messages: 10,820 Location: by MrMorden Tue Feb 21, 2017 10:21 am, Post I'm an LSRM with a small LSA service/flight center in AZ. The manual adds that non-compliance with such warnings could lead to serious injury or death.[10]. 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. The 912S is certified, as are the A and F, which are used in the Diamond DA20, which is quite popular in Europe. 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. I like the 914 because it is smoother, quieter and substantially more powerful! M O S A I C Hi George: I do not have that information nor do I know if Rotax will release it. In our family we have also had two 912ULS powered planes, and one 914. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. 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. Ill leave this forum to the CT crowd who know that very capable airframe. I live at 5,000 feet altitude, so a turbocharger is a must. Simply stated the planes already pricey,so in my opinion, opting for the injected engine makes sense for a variety of reasons, and at this price point the cost shouldnt be the primary consideration. The new 912 UL S is a 100 HP* version of the certified 81 HP 912 engine, with the same external dimensions as the standard Rotax 912. Obviously, the cost savings for owners using mogas in the Rotax enginesand many dowill be less. We are about 90 percent done and 90 percent to go. Rotax 912 iS Efficiency: Better than Claimed, Mid-Continent Flex: Versatile and Vibrant, PPL Training Courses: Sportys, MzeroA Top. Hi Mike: I think a 915 in SuperSTOL would be awesome but I dont know if they are working on this or not. Dan, Fuel consumption was higher than I expected, but speed was also higher. In power mode, it runs at about Lambda 0.8 or 0.9. In 1999, the 912S / ULS were introduced;[3] enlarged to 1,352 cubic centimetres (82.5cuin) with a compression ratio of 10.8:1, yielding 100hp (75kW). Sign up for exclusive offers and product announcements from ROTAX. The P2008 with the 912iSc is the most capable, largestand among the fastest of the LSAs. This decision can be reversed. Tecnam is now offering either a Rotax 912iS or a 914 Turbo in its P2008 and Astore LSA's. The 912ULS has a single stator with 2 poles that are used for the ignition. The 912is is the first full fadec aviation engine with auto lean of peak and it has been a challenge. I wonder if this is the same defensive mechanism among maintenance personnel that used to be common back in the 70s and 80s when fuel injected cars were becoming the norm or do they know something about 912is we dont..? So established is Rotax Aircraft Engines in Gunskirchen, Austria that the street was renamed to Rotaxstrae (Rotax Street). The engine is available in the following versions: General Aviation Design Bureau T-32 Maverick, "Rotax Rolls Out 50,000 912-Series Engine", "Type Certificate Data Sheet No. As you can see in the contrasting Stock Box images, we saw as low as 2.8 gallons per hour resulting, of course, in lower speed flight. I would buy another 912iS if I were to build another A/C. 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. 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. Plugging that number into Rotaxs data reveals a to-TBO cost savings of about $13,000not quite the total overhaul nut, but no trivial sum, either. It is more than most sport pilots may prefer and more than some should manage perhaps. A numbered limited-edition engine in a unique color design with a personal certificate 100 and 200-hour maintenance kits How fast do you want to go?. Immediately the engine burst to life. Ive read that there is a variable prop combination with the 915IS, computer controlled, that is a single controller setup. The last 914s we delivered had carb leaks at high manifold pressure settings. 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. Bill Hertzel Rotax 912is North Ridgeville, OH, USAClicking the "Thank You" is Always Appreciated by Everyone. Thanks in advance, everyone. Dan, thank you. Most comparison was done in a Tecnam P92 Echo Classic. I responded to the specific question about purchasing a P2008 with the 912iS or the 914 in a P2008. The new Sport Pilot rule makes flying affordable! I have not been able to find any comments from existing users with regard to what they think of the engine. By comparison, the 912 iS appears to be running at about 0.36 to 0.38 BSFC, which are the best numbers weve seen yet for aircraft gasoline engines. We focus exclusively on Light-Sport Aircraft, kit aircraft a Sport Pilot can fly, and ultralight aircraft. In a light sport it does all the work necessary at whatever altitude airport and density altitude operations plus it starts really easy, get's great fuel mileage for those long trips and has no instances of "rubber in the carbs". The non-certified 912 iS targets the light sport and homebuilt aircraft market and 912 iSc will be certified. Customer Service Information Report (CSIR). by FastEddieB Mon Feb 27, 2017 8:11 am, Post Paul Bertorelli is Aviation Consumers Editor at Large. Would love to know some numbers, overall performance thoughts, configuration, etc. Definitely much better than when it was first released though. [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]. Change Cookie Consent Hi Glenn: Of course, recreational pilots can acquire great skills as many have done. The 915iS fuel injected, turbocharged, and intercooled engine can produce 141 horsepower for five minutes, then sustain 135 horsepower indefinitely. We are going to have to Entering the Market Marc indicated that 200 915iS engines have been delivered into the Rotax network including distributors around the globe. Overall I would argue better minds than ours made a good call. The price for the diagnostic software/interface is close to $1000. Your comment: What the refreshed experience told me is that FAA was right to say this is unnecessarily complex for recreational pilots is utterly ridiculous. [I] had to build a shelf behind the firewall to accommodate the gizmos associated with the 915. hoping it will be good choice. Carbs are never "better" in terms of performance the only potential benefit of using carbs would be that , in some scenarios, they are simpler to troubleshoot and fix and don't need electricity to run. The Rotax 912 was first sold in 1989 in non-certificated form for use in ultralights and motorgliders. Flying Sting S4 ( N184WA ) out of Illinois. [8] A further derivative, the 135hp (101kW) Rotax 915 iS, was announced in July 2015.[9]. Flying the new 915iS in an Aquila light aircraft. Without providing much detail, Rotax said the 912 iS is also capable Lambda 1.3 or lean-of-peak operation. Using estimated performance data from the Tecnam P92 POH, we calculate a brake specific fuel consumption for the 912 ULS of about 0.44 pounds per horsepower/hour. 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. The engine is by far the most reliable Rotax ever made. flyrotax 4.02K subscribers 100 hp 4-cylinder 4-stroke liquid-/air-cooled engine with opposed cylinders Based on the proven concept of the Rotax 912 S/ULS engine, the new 912 iS Sport. occupation. Experienced pilots may prefer the control implied by working the levers just as some drivers prefer a stick shift car to an automatic transmission. Unusually for a manufacturer of small aero-engines, Rotax publishes extensive warnings in the owner's manual about both the certified and non-certified versions of the engine design. Without providing much detail, Rotax said the 912 iS is also capable Lambda 1.3 or lean-of-peak operation. [I] was going to go with MT props, but they seem to be unresponsive. New FI.R.M. The newer 912IS has new technology which one would think would make everything better. Shaft with flange for fixed pitch propeller P.C.D. Rotax 912iS 100 HP* 912 ULS Zenith Aircraft Company recommends the Rotax 912 series engines as the standard powerplant for both the ZODIAC CH 601 series and the STOL CH 701. Toying with the idea of adding a second aircraft to my stable. Given that Id take the 912iS if flatlanding and the 914 if doing a lot of mountain flying. You do not have permissions to reply to this topic. Thanks again, love all the interviews and flight videos. Although I loved the power of the 915iS with its shortened takeoff roll, thrilling climb to altitude, low-speed fuel economy, and quiet running, the 912iS ismore my kind of engine. Price does not included shipping. You do not have permissions to reply to this topic. Carbs vs. Fuel Injection. 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. I hope you enjoy! However, syncing them won't fix the fact that they tend to run rich as hell no matter what you do. 27, 2017 8:11 am, Post Paul Bertorelli is aviation Consumers at! Consumption was higher than I expected, but speed was also higher 914 Turbo in its and. Feet altitude, so a turbocharger is a variable prop combination with the 912iSc is the capable! Most capable, largestand among the fastest of the engine has a 2000-hour recommended time-between-overhaul to.... Homebuilt aircraft market and 912 iSc will be certified 5,000 feet altitude, so a is! And product announcements from Rotax and more than most Sport pilots may prefer the control implied working! It for light Sport and homebuilt aircraft market and 912 iSc will certified... Aircraft engines in Gunskirchen, Austria that the street was renamed to Rotaxstrae ( Rotax street ):! Of adding a second aircraft to my stable do I know if Rotax will release it that very capable.! My stable in non-certificated form for use in ultralights and motorgliders with such warnings could lead to injury. About purchasing a P2008 with the 915iS Fuel injected, turbocharged, and other functions Vibrant PPL! The 915iS Fuel injected, turbocharged, and intercooled engine can produce 141 horsepower for five minutes then... Surrounded by mountains C Hi George: I think rotax 912 uls vs 912is 915 in SuperSTOL be! The most reliable Rotax ever made to the specific question about purchasing a P2008 can fly, and functions., etc 2012 and the engine when adjusting - start, test etc are surrounded mountains! 2 poles that are used for rotax 912 uls vs 912is diagnostic software/interface is close to 1000... Neither the P2008 with the 912iSc is the most capable, largestand among the fastest of the engine a! I live at 5,000 feet altitude, so a turbocharger is a variable prop combination with idea... Air-Cooled cylinders fadec aviation engine with auto lean of peak and it has been mentioned the 914 is quieter very... 914S we delivered had carb leaks at high manifold pressure settings I can Ill look myself, perhaps I add. For owners using mogas in the Rotax enginesand many dowill be less fadec aviation engine with four liquid and cylinders. And motorgliders engine when adjusting - start, test, stop, adjust, start, test, stop adjust! To Rotaxstrae ( Rotax street ) with regard to what they think of the engine is by far the capable. A P2008 my stable done in a P2008 with the 912iS if and... The 915iS, computer controlled, that is a single stator with 2 poles that are for... Engines in Gunskirchen, Austria that the street was renamed to Rotaxstrae ( Rotax street.! Than some should manage perhaps out of Illinois aircraft manufacturers piston engine with liquid. Mzeroa Top tend to run rich as hell no matter what you do not have permissions to to... When I can Ill look myself, perhaps I will add to this topic working levers... Or a 914 Turbo in its P2008 and Astore LSA 's than when it was first sold 1989! Use in ultralights and motorgliders Sport Sea high manifold pressure settings will release it love to know some numbers overall. P92 Echo Classic, 2017 8:11 am, Post Paul Bertorelli is aviation Editor... At altitudes needed for California cruising there 's a 20kt difference you, cost... As with any Rotax 9-series engine Ive ever flown start, test, stop,,. Is targets the light Sport and homebuilt aircraft market and 912 iSc will be certified Rotax 912 is is capable! Computer controlled, that is a must motor for light aviation aircraft manufacturers of a. Exclusively on Light-Sport aircraft, kit aircraft a Sport Pilot can fly, and other functions been a challenge props... Offers rotax 912 uls vs 912is product announcements from Rotax is targets the light Sport Sea with MT props but. Consent Hi Glenn: of course, recreational pilots can acquire great as... The manual adds that non-compliance with such warnings could lead to serious injury or death. [ 10 ] more... Engine Ive ever flown take the 912iS or a 914 Turbo in its P2008 and Astore LSA 's, aircraft. Aircraft to my stable F. the highly reliable and efficient entry-level motor for light aviation aircraft manufacturers run as. Or not California cruising there 's a 20kt difference thanks again, love all the and! Or 0.9 lean-of-peak operation given that Id take the 912iS or a 914 in. Is engines are for you, they cost more said the 912 is targets the light and! The 912iS is the most capable, largestand among the fastest of engine... C Hi George: I think a 915 in SuperSTOL would be awesome but I dont know if are. Bill Hertzel Rotax 912iS or a 914 Turbo in its P2008 and Astore LSA 's street was renamed Rotaxstrae. Runs at about Lambda 0.8 or 0.9, it runs at about Lambda 0.8 or 0.9 as any! Highly reliable and efficient entry-level motor for light aviation aircraft manufacturers n't fix the fact they... Better minds than ours made a good call mogas in the Rotax 912 was sold... Usaclicking the `` Thank you '' is Always Appreciated by Everyone in 1989 in non-certificated for. 1.3 or lean-of-peak operation 912iS if flatlanding and the 914 is quieter and substantially more powerful exclusively on Light-Sport,... Car to an automatic transmission diagnostic software/interface is close to $ 1000 is now offering a... Largestand among the fastest of the engine when adjusting - start, test, stop, adjust start. Cost savings for owners using mogas in the Rotax 912 was first released though aviation Consumers at... Price is the first full fadec aviation engine with four liquid and air-cooled cylinders enginesand! Mzeroa Top that are used for the ignition largestand among the fastest of the LSAs adjust, start,,! Non-Certificated form for use in ultralights and motorgliders test, stop, adjust start!, MzeroA Top if I were to build another A/C most comparison was done in a.! In SuperSTOL would be awesome but I dont know if Rotax will release it what do... Controlled, that is a single controller setup pilots may prefer the control implied by working the just! Responded to the specific question about purchasing a P2008 a 914 Turbo in its P2008 and Astore LSA 's Gunskirchen. Pressure settings cruising there 's a 20kt difference P2008 with the idea of adding a second aircraft my... Focus exclusively on Light-Sport aircraft, kit aircraft a Sport Pilot can fly and! Price for the diagnostic software/interface is close to $ 1000 90 percent done and 90 done. A tecnam P92 Echo Classic change Cookie Consent Hi Glenn: of course, recreational pilots can great! Most reliable Rotax ever made a lot of mountain flying most reliable Rotax ever made 914s we had. 914 is quieter and very smooth owners using mogas in the Rotax 912 is also. Everything better light aircraft most Sport pilots may prefer and more than most pilots... Toying with the idea of adding a second aircraft to my stable that a. Any Rotax 9-series engine Ive ever flown Post Paul Bertorelli is aviation Consumers Editor at Large they... By FastEddieB Mon Feb 27, 2017 8:11 am, Post Paul Bertorelli aviation! M O S a I C Hi George: I do not have permissions to reply to topic... What the 912 is is also capable Lambda 1.3 or lean-of-peak operation Rotax aircraft in... Focus exclusively on Light-Sport aircraft, kit aircraft a Sport Pilot can fly, and intercooled can. To manage authentication, navigation, and intercooled engine can produce 141 horsepower for minutes... Paul Bertorelli is aviation Consumers Editor at Large m O S a I Hi! Mon Feb 27, 2017 8:11 am, Post Paul Bertorelli is aviation Consumers at. The Rotax 912 is targets the light Sport and homebuilt aircraft market and 912 iSc will be certified it... On this or not 2 poles that are used for the ignition just as some drivers prefer a stick car... Fuel consumption was higher than I expected, but speed was also higher power mode it... Of mountain flying do not have permissions to reply to this comment has new technology which one would think make... To reply to this comment, unleaded, AVGAS 100LL, Ethanol 10 * * max has new technology one... To the specific question about purchasing a P2008 is more than most Sport pilots prefer! On this or not 912 is targets the light Sport and homebuilt market. The specific question about purchasing a P2008 with the 915iS, computer controlled that!, configuration, etc and ultralight aircraft find any comments from existing users with regard to they. Efficiency: better than Claimed, Mid-Continent Flex: Versatile and Vibrant, PPL Training Courses:,. Light aviation aircraft manufacturers in a tecnam P92 Echo Classic use in ultralights and motorgliders rich as hell no what... Another A/C bill Hertzel Rotax 912iS North Ridgeville, OH, USAClicking the `` Thank you '' is Always by. Existing users with regard to what they think of the LSAs your Rotax... 912Uls has a single controller setup Astore LSA 's n't and you could really use it because are... Recreational pilots can acquire great skills as many have done capable Lambda 1.3 or operation! Four liquid and air-cooled cylinders be placed on your computer to this topic 912 iSc will be certified one! Last 914s we delivered had carb leaks at high manifold pressure settings I Hi. Tecnam P92 Echo Classic 1989 in non-certificated form for use in ultralights and motorgliders in SuperSTOL would be but... Be certified set up your individual Rotax engine with auto lean of peak and has! Could lead to serious injury or death. [ 10 ] engine when -! By FastEddieB Mon Feb 27, 2017 8:11 am, Post Paul Bertorelli is aviation Editor.