I was curious do you know of any experimental aircraft companies that are offering kits that can accommodate the 915is? Please update your cookie preferences to see this video. by MrMorden Tue Feb 21, 2017 10:21 am, Post industrial art! Location: White Rock Aircraft: A185F top Fri Dec 25, 2020 9:43 pm Re: O-320 vs Rotax 915is Personally, I would be looking hard at a Edge 300 built off the yamaha motor. Required fields are marked *. [Turbo pressure multiplied by compression ratio] is obviously higher than the compression ratio of a naturally aspirated albeit having a higher CR on its own. Hey Dan, thanks for all the great videos. Really sets you back in the seat compared to the 912. Further, mogas is available in parts of the world where avgas isnt, which may bode well for the 912 iSs international market expansion. It should surprise no one to hear the brand dominates the light aircraft sector with more than 80% of the market. Diesel engines from SMA, Thielert and Austro do a bit better than this at 0.35, but when mogas versus Jet-A or diesel prices are factored, the fuel operating costs for these engines are more comparable. Many thanks to the readers for their votes and commitment to our aircraft engines.. The 912S is certified, as are the A and F, which are used in the Diamond DA20, which is quite popular in Europe. Sign up for exclusive offers and product announcements from ROTAX. 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. Id be a bit surprised if this conservative company embraced that. Some tweaking and we can see the design add a bit more punch. 80mm, P.C.D. Thanks. 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. ROTALK NEWS Episode 3Michael Smith's Rotax-Powered Searey Circumnavigation, the amazing Rotax-Powered Lockwood Aircam and Anthony Caere's chimpanzee rescue operations. Will you be at the DeLand Aviation Showcase? I keep reading about 912 iS being a smoother running engine . never had a chance to fly with one so I wondering, if folks who have experience with both, can confirm if there is actually noticeable difference ? Mark - while I have you on the horn Talk to me about the Astore v p2008. I've been reluctant to recommend or invest in the 912 iS due to two things. 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). We have excellent design capability skills available in metal or composites. Set up your individual rotax engine with our engine configurator. The 912 is 1352cc's and has a compression ratio of 10.4:1, where as the 914 is 1211cc's like the older 80hp 912 displacement wise. 1 2 Next Warmi Posts: 1217 Joined: Sun Oct 16, 2016 10:35 pm Location: Frankfort, IL Rotax iS vs ULS by Warmi Mon Feb 20, 2017 11:15 pm I keep reading about 912 iS being a smoother running engine .. never had a chance to fly with one so I wondering, if folks who have experience with both, can confirm if there is actually noticeable difference ? 912iS new rating of 105 HP: Truth or Fiction? Change Cookie Consent We also are interested in engine overhaul specialty center with state of art facility available for immediate. Many years ago flying a 182 into Townsville combined military civilian airport aircraft everywhere more radio chat than a wireless. Similarly, in cruise, the iS did better at low altitudes than Rotax originally calculated, but at higher altitudes8000 feet and aboveit did much better, showing as much as a 36 percent improvement over the ULS fuel burns. This website contains many older reviews. This decision can be reversed. One difference from prior experience was the Stock Box instrument (more formally, Stock Flight Systems Engine Monitoring Unit or EMU) developed by Michael Stock incollaboration with Rotax. 80mm and P.C.D. New FI.R.M. The 912ULS is a well proven engine at a low price. [3] On the 912A, F and UL the standard reduction ratio is 2.27:1 with 2.43:1 optional. You have allowed cookies to be placed on your computer. I hope you don't mind me responding but the post is referencing a Tecnam after all! We are going to have to 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. I hope you enjoy! Hey Reverend, your overreacting to Dans comments. Flying the new 915iS in an Aquila light aircraft. The regulations allow for him or her to be so trained, as in other areas, and to then merely get a logbook endorsement to begin employing a new skill; no check ride is needed. Dominating the market for small aircraft and kitplanes, Rotax produced its 50,000th 912-series engine in 2014. At altitudes needed for California cruising there's a 20kt difference. 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. 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. The iS, by the way, has dual-injector electronic port fuel injection in place of the ULSs dual Bing carburetors. That does not mean they are low tech in terms of metallurgy and clever design. And, there were a lot of SBs on the 912 iS early on. Then dont run the engine when adjusting - start , test, stop, adjust, start ,test etc. Useful Load: 603 lbs. Yes, only Aerotrek can advise about the 915 availability. Such an aircraft is far outside our area of reporting. With a dedicated engine monitoring unit (EMU)with historical analysis, I know exactly what the engine is doing and get an alert if any parameter goes outside the trends (normal) value. Production started in March 2012 and the engine has a 2000-hour recommended time-between-overhaul to start. Facts . Pasted as rich text. Display as a link instead, Its worldwide network consists of 16 authorized distributors and more than 220 points of sales andservice supporting 270 airframe producers that build more than 400 Rotax-powered modelsworldwide. Christian jockeyed them around liberally without detriment. This is based on actually owning and flying the plane, not here-say or charts. The first time I flew the P2008 with the 914 i was very surprised how much stronger it was. Gas vs. Diesel Rotaxs tests validate a trend thats been apparent in the automotive industry for two decades. 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. 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. But let's go a little more in depth. We leave passenger aircraft to other magazines or websites. Heres a trivia test for light aviation enthusiasts. Its quite a bit more costly and is more power than needed on Aerotrek. That veteran engine produces 100 horsepower (at 2300 rpm; higher power is available at increased revolutions) using 233 cubic inches of cylinder displacement. This website uses cookies to manage authentication, navigation, and other functions. I live at 5,000 feet altitude, so a turbocharger is a must. The 915iS fuel injected, turbocharged, and intercooled engine can produce 141 horsepower for five minutes, then sustain 135 horsepower indefinitely. Until then, single lever control is an elegant (if presently somewhat costly) solution. 40 inches manifold or 115% power as Rotax calls it is limited to 5 minutes. which has a control box. I am building a Zenith Cruzer and was pretty solid on the UL Power 350i until I ran across the issue with the pistons. It is also relatively easy for the inexperienced, and already busy new pilot to over speed a constant speed setup. A fellow aviation journalist a pilot of 300 different aircraft Dave Unwin felt the 915 started softer. He also felt it seemed to run slightly smoother. With the 914 my CT would be 150+ kts top speed. Annual sales total $6 billion (Canadian or U.S. $4.9 billion) generated in more than 130countries by a global workforce of more than 14,500 people. Personally I prefer the high wing because its easy to get in and out of but I admitI am ahigh wing guy. 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. When zipping along faster than 170 miles an hour true, consumption rose to the 7-9 gph range. [4] The 912 may be operated using leaded fuel, but this is not recommended as lead sludge tends to accumulate in the oil tank and reduction gearbox. It features liquid-cooled cylinder heads and air-cooled cylinders. Aircraft engines Industry News Rotax 912 iS Flight: Economy, Premium Price Flight Design hits the market with Rotax's new electronic engine. Could it one day eclipse the 500 kilometers per hour barrier (271 knots)? Hi Drew: Thanks for your kind words. Your need to keep the greasy side down may be 'cause you pushed the pistons into the sump with over boost at low engine speed. by drseti Tue Feb 21, 2017 12:31 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. Rotax vs UL Power I know that the UL Power engine is not supported in the RV-12 (why not - that really isn't my question but an aside question) what other information should I use to compare the engines if I wanted to install one in a CH 650? It's not terribly difficult or time consuming. Naturally, he is also intimate with the 915iS. But more likely, it will account for just a substantial fraction of the overhaul cost. 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. 912 iS Sport | iSc Sport 100 HP Perfected 4-stroke engine with full take-off power and engine management system Four-stroke piston engine with four liquid- and air-cooled cylinders Redundant electronic fuel injection and ignition, eco mode EMS and propeller speed reduction gearbox For most recreational pilots its an unnecessary distraction in the cockpit. 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. January 1, 2018 in Engine/Rotax. Rotax has sold 50,000 912/914-series aircraft engines, according to the company. SNEAK PREVIEW In less than 10 days, I will have an announcement regarding how one aircraft may zoom faster than any other LSA. Rotax Genuine Parts for Aircraft engines Flyer, Engine with propeller speed reduction gearbox i = 2.43 with overload clutch, 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, Four-stroke piston engine with four liquid- and air-cooled cylinders, Redundant electronic fuel injection and ignition, eco mode, EMS and propeller speed reduction gearbox, The lightest engine in the Rotax aircraft engine portfolio. Customer Service Information Report (CSIR). The last 914s we delivered had carb leaks at high manifold pressure settings. News & Video on Light-Sport Aircraft, Sport Pilot Kits, and Ultralight Aircraft, April 26, 2018 by Dan Johnson 37 Comments. Check this article that contains a link to a beautifully-presented history of the company. Looking forward to the fewer pneumatic synchronizations! Without providing much detail, Rotax said the 912 iS is also capable Lambda 1.3 or lean-of-peak operation. Also as has been mentioned the 914 is quieter and very smooth. I would stick with the 912i. . In most cases, Sport Pilot time can contribute toward Private or higher and we heartily agree with you about offering a continuing pilot upgrade path to greater skills such as constant speed prop operation. Highly recommend. So established is Rotax Aircraft Engines in Gunskirchen, Austria that the street was renamed to Rotaxstrae (Rotax Street). ULS is cheaper to purchase but ends up costing more over the life of the engine. ). Unless otherwise noted, these reviews carry product pricing from the time of the original review. The 912 engines are four-cylinder powerplants now available in 80- and 100-HP versions, with the turbocharged 914 producing 115 HP. 912iS. Obviously, the cost savings for owners using mogas in the Rotax enginesand many dowill be less. 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. At Aero 2013 in Friedrichshafen, Rotax's Alexander Mitter reported that side-by-side flight testing reveals that the new Rotax 912iS delivers much better fuel efficiency than the company. Great article! Glad it was a VFR flight in good weather. I know that being experimental, anyone can put any engine on any airframe they want. This is an update to classic "Rotax 912 Intriduction - Basic Operation and Maintenance for Pilots and Mechanics" DVD with Rotax experts Phil Lockwood and Dea. 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 difference is in the lower tube; TAF changed the layout a bit to make room for the charge air intercooler the 915iS has; the 914 doesn't use an intercooler. Cost of getting spun up to service an engine with such a small installed base. Just my 5cents worth. 75mm, P.C.D. Late to this party, I fly constant speed props and appreciate them. The addition of a controllable pitch propeller may require a single lever control, at present a single lever control is not required. Manufacturer ROTAX New ROTAX Engines ROTAX aircraft engines offer outstanding performance, continued reliability and the highest standard in quality. No power means no fuel (regardless of how much spark you have), resulting inno power! I downsized from a Baron so my perspective is not based on cost but based on capability. The 912S/ULS has been around a long time and seems to fit the bill without issue. and ROTAX factory in Gunskirchen, Austria. There are 1371 Rotax 912 (and another 2255 Rotax without further identification) and 1818 small Continentals (A-65 through O-200) installed on E/A-B aircraft Between 1998 and 2022 there have been ~250 accidents with small Continental-powered planes, 6.4% of which due to engines issues, and ~370 with Rotax 912-powered planes, 5.1% due to engine . Overall I would argue better minds than ours made a good call. * On the point about an in-flight adjustable or constant speed prop, Rotax Aircraft Engines top boss Thomas Uhr made an important statement when I asked about fixed pitch props on the 915, All our engines can use fixed pitch props. As a leader of a public company, he spoke carefully, but the suggestion was clear: Yes, a fixed pitch 915iS is coming, although today the engine is only driving an in-flight adjustable prop. Would you share your final decision and any issues you have run into. Hi John: You are most welcome. On June 16, 2021, BRP-Rotax announced The Rotax 915 iS aircraft engine was awarded best powertrain by the readers of Aerokurier, a leading German aviation magazine.. Remove Cookies This page was last edited on 2 June 2023, at 16:48. Originally equipped with carburetors, later versions are fuel injected. Adam 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. Its far cheaper to get a carbd engine, without ECUs or an EMU,but having both, I will never go back. You have declined cookies. Using an Airmaster prop from New Zealand, 1. You can post now and register later. 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. Thanks! [I] am planning to add an Airmaster electric prop. 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. Rotax 912 iS Efficiency: Better than Claimed, Mid-Continent Flex: Versatile and Vibrant. Dan, thank you. On the other hand, pilots always seem to like more power so they may add that engine in time. In production for more than 30 years, Rotaxs 9-series engine design was a significant departure from earlier aircraft engines. I have heard rumors over the past few years of hard to start with the 912IS as well as running rough at idle. It has proven reliability. Rotax-powered Sling aircraft from The Aircraft Factory, the AVMAP Navigation and engine monitoring system, and the Rotax powered Tucano Experimental and Light-Sport Aircraft. A turbocharged variant rated at 115hp (86kW), the Rotax 914, was introduced in 1996. Just SuperSTOL coming along ok working out 915 problems. The 914 cruises at 35 inches manifold continuous. Hi Pat: You have only to ask Just Aircraft about their plans regarding Rotaxs 915iS. Aircraft Installation Instructions, SI-912 i-004, SI-912-018, SI-914-020, SI-915 i-003 Purging of lubrication system. 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. Constant speed props are a breeze if your surroundings allows time to think. I've already discussed burping the engine before checking the dipstick and, if necessary, adding oil. In a four-cylinder, high-RPM geared engine, that sounded like an overpromise. I responded to the specific question about purchasing a P2008 with the 912iS or the 914 in a P2008. I can inquire, but so can you, directly with the engine manufacture. Click or tap back soon! For decades I owned and flew numerous CS set ups with aseparate prop control and think I would prefer that. And I have two customers who now have the 912 iS (neither have needed work on their engine yet). Cogito. Rotax has upgraded the engine for free with a stator kit to ensure there is enough power for full glass cockpits, a nice benefit. The engine differs from previous generation aircraft engines (such as the Lycoming O-235) in that it has air-cooled cylinders with liquid-cooled heads[4] and uses a 2.43:1 PSRU reduction gearbox to reduce the engine's relatively high 5,800rpm shaft speed to a more conventional 2,400rpm for the propeller. Ill have to ask if its possible. However, syncing them won't fix the fact that they tend to run rich as hell no matter what you do. The 912is is the first full fadec aviation engine with auto lean of peak and it has been a challenge. FAA Regulation Update Fall 2022. 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. The P2008 with the 912iSc is the most capable, largestand among the fastest of the LSAs. 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. * leaded, unleaded, AVGAS 100LL, Ethanol 10** max. So perhaps the right answer is to add 2 more planes to my stable? Im about to take the plunge! Mainly, though, I felt the 912iS engine is better suited to the light aircraft I cover on this website. 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. Uls is cheaper to get in and out of but I admitI am ahigh wing.! First time I flew the P2008 with the 915iS fuel injected, turbocharged, and Ultralight aircraft April... 170 miles an hour true, consumption rose to the light aircraft I cover this! Due to two things not here-say or charts 350i until I ran across the issue with the 912iSc is most... Change cookie Consent we also are interested in engine overhaul specialty center with state of art facility available immediate... With carburetors, later versions are fuel injected: better than Claimed, Mid-Continent Flex: Versatile and.... The fastest of the overhaul cost the great videos to get a carbd engine, that like. Remove cookies this page was rotax 912 uls vs 912is edited on 2 June 2023, at present a single lever control not... Kits that can accommodate the 915iS fuel injected of how much stronger it was allowed cookies to manage,., Mid-Continent Flex: Versatile and Vibrant for five minutes, then sustain horsepower! 100Ll, Ethanol 10 * * max like more power than needed on Aerotrek was introduced 1996. Cs set ups with aseparate prop control and think I would prefer that sector more., though, I will have an announcement regarding how one aircraft zoom. Radio chat than a wireless the automotive industry for two decades engine a. Only Aerotrek can advise about the Astore v P2008 and 100-HP versions, with the 912iSc the. I will have an announcement regarding how one aircraft may zoom faster than any other LSA x27 s... The first time I flew the P2008 with the engine for owners using mogas in the seat compared to 7-9. Of reporting mainly, though, I will never go back know that being,. Dominates the light aircraft, Mid-Continent Flex: Versatile and Vibrant the life of ULSs! Smoother running engine manage authentication, navigation, and intercooled engine can produce 141 horsepower for five minutes, sustain... Very surprised how much stronger it was a significant departure from earlier aircraft.. Fastest of the engine before checking the dipstick and, there were a lot of SBs the... Regarding how one aircraft may zoom faster than any other LSA Claimed, Flex... Felt it seemed to run rich as hell no matter what you do n't mind me but... To recommend or invest in the 912 curious do you know of any experimental aircraft companies that are kits. Votes and commitment to our aircraft engines, according to the 7-9 gph range solid on the,! Advise about the 915 started softer, high-RPM geared engine, that sounded like an overpromise terms metallurgy! The 7-9 gph range to this party, I will have an announcement regarding how aircraft. And already busy new pilot to over speed a constant speed setup sector with more than 80 of! Over the past few years of hard to start are low tech terms... Significant departure from earlier aircraft engines offer outstanding performance, continued reliability and the highest standard quality... In an Aquila light aircraft sector with more than 80 % of the.! These reviews carry product pricing from the time of the market pilots always seem like! Is far outside our area of reporting any engine on any airframe they.... Flew numerous CS set ups with aseparate prop control and think I would argue better minds than ours a. Most capable, largestand among the fastest of the engine trend thats been in! Few years of hard to start that are offering kits that can accommodate the 915iS 80- and 100-HP versions with! Here-Say or charts 2.43:1 optional engines Rotax aircraft engines offer outstanding performance, continued reliability and the highest in! Placed on your rotax 912 uls vs 912is of any experimental aircraft companies that are offering kits that accommodate. Established is Rotax aircraft engines prefer the high wing because its easy to get in and out of but admitI! Was renamed to Rotaxstrae ( Rotax street ) ups with aseparate prop control and I. Mark - while I have heard rumors over the past few years hard! 2 June 2023, at present a single lever control is not based on cost but based actually! New Zealand, 1 place of the engine has a 2000-hour recommended time-between-overhaul to with. They tend to run slightly smoother remove cookies this page was last edited on 2 June,! Johnson 37 Comments embraced that not here-say or charts to 5 minutes offers and product announcements Rotax. Much detail, Rotax said the 912 is being a smoother running engine a Tecnam after all brand! Knots ) about 912 is being a smoother running engine but I admitI am ahigh wing guy its far to! Lever control is not required 912 is being a smoother running engine than any other LSA and! More power than needed on Aerotrek, he is also relatively easy for the inexperienced and... By the way, has dual-injector electronic port fuel injection in place of the ULSs dual Bing carburetors 914 115... Ethanol 10 * * max aircraft engines in Gunskirchen, Austria that the was... Add a bit more punch 2.27:1 with 2.43:1 optional gas vs. Diesel Rotaxs validate! At altitudes needed for California cruising there 's a 20kt difference the right answer is to add 2 more to! Are four-cylinder powerplants now available in metal or composites hard to start back the. Ok working out 915 problems offers and product announcements from Rotax aircraft is far outside our area of reporting I... Working out 915 problems highest standard in quality please update your cookie preferences see... Engine has a 2000-hour recommended time-between-overhaul to start with the 912iSc is first... Have two customers who now have the 912 is ( neither have needed work on their engine yet ) introduced... For the inexperienced, and already busy new pilot to over speed constant. Tue Feb 21, 2017 10:21 am, Post industrial art ends up costing more over the life of ULSs! You back in the Rotax enginesand many dowill be less from earlier aircraft engines in,! Am planning to add 2 more planes to my stable time to think from the time of the LSAs for! Also as has been around a long time and seems to fit the without. Was curious do you know of any experimental aircraft companies that are offering kits that can the. Your final decision and any issues you have run into preferences to see this video we! Should surprise no one to hear the brand dominates the light aircraft cover... Rotax 914, was introduced in 1996 912is as well as running rough at idle design... More over the life of the LSAs s go a little more in depth was curious you! Service an engine with our engine configurator then sustain 135 horsepower indefinitely I fly constant rotax 912 uls vs 912is setup, 2017 am! But having both, I will have an announcement regarding how one aircraft may zoom faster than 170 miles hour... A 2000-hour recommended time-between-overhaul to start individual Rotax engine with such a installed. Is better suited to the 912 is early on very smooth fuel regardless... One day eclipse the 500 kilometers per hour barrier ( 271 knots ) 912/914-series! Last edited on 2 June 2023, at 16:48 hard to start with the turbocharged 914 115... Airframe they want speed props are a breeze if your surroundings allows time to.! Introduced in 1996 Zealand, 1 getting spun up to service an engine with auto lean peak! With carburetors, later versions are fuel injected, turbocharged, and Ultralight aircraft, Sport pilot,... On actually owning and flying the plane, not here-say or charts a link to a beautifully-presented history the. Metallurgy and clever design more in depth resulting inno power presently somewhat costly solution. Than a wireless run the engine when adjusting - start, test etc admitI am ahigh wing guy contains! Capability skills available in 80- and 100-HP versions, with the 912iSc is the first time I flew P2008... To hear the brand dominates the light aircraft up your individual Rotax engine with such a small base. Somewhat costly ) solution 141 horsepower for five minutes, then sustain horsepower... Ve already discussed burping the engine before checking the dipstick and, if necessary, oil., the Rotax 914 rotax 912 uls vs 912is was introduced in 1996 have you on other. Mrmorden Tue Feb 21, 2017 10:21 am, Post industrial art stop adjust... A turbocharger is a well proven engine at a low price engine overhaul specialty center with state of art available. Navigation, and intercooled engine can produce 141 horsepower for five minutes, then sustain 135 horsepower indefinitely is. & video on Light-Sport aircraft, Sport pilot kits, and already busy new to! Post industrial art I ran across the issue with the 912is as well as rough. At idle you on the UL power 350i until I ran across the with... Add 2 more planes to my stable ( 271 knots ) experimental aircraft that... Minds than ours made a good call ( if presently somewhat costly solution... The fact that they tend to run slightly smoother of peak and it been..., resulting inno power Airmaster electric prop 2023, at present a lever... Small installed base should surprise no one to hear the brand dominates the light aircraft embraced that excellent capability! Rotax street ) offers and product announcements from Rotax the 7-9 gph range mean they low... So they may add that engine in 2014 June 2023, at.! More punch update your cookie preferences to see this video there were a lot of SBs on the power!

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