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. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. The 912is is the latest in technology, full fadec w automatic lean of peak operation below 97% . Please update your cookie preferences to see this video. Immediately the engine burst to life. Reconsider Cookies Nothing like a 40% boost in power to launch an aircraft into the sky. @#$%^&. 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. 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. While from different manufacturers the two airframes I tested were more alike than different. It is more than most sport pilots may prefer and more than some should manage perhaps. Dan, thank you. Just curious. According to www.airnav.com, mogas averages about $4.68 as of June 2013. No other modifications were done, according to Mitter, other than fuel plumbing. If price is the primary concern, neither the P2008 nor the iS engines are for you, they cost more. Overthe years and hundreds of hoursof flying it we have never had a fault, norany engine issue whatsoever. It's 3.5 gallons (45min) of fuel, or an extra overnight bag. I kind of regret getting 912 ULS but it came with a slightly used plane and it was a reasonable deal so not much choice there but my next plane wil definitely have oneof the fuel injected engines. Its far cheaper to get a carbd engine, without ECUs or an EMU,but having both, I will never go back. 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. 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. A new Airmaster propeller has arrived; it is a beautiful piece of Ive read that there is a variable prop combination with the 915IS, computer controlled, that is a single controller setup. 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. Im pleased you appreciate the effort. 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. 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. Rotax has upgraded the engine for free with a stator kit to ensure there is enough power for full glass cockpits, a nice benefit. - All Rights Reserved. * 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. Rotax's 915iS uses the same displacement as the 912iS. Will you be at the DeLand Aviation Showcase? Eco Mode One reason the 912 iS is performing better than claimed, according to Rotax, is that the engine runs more efficiently in so-called eco mode than was originally thought and its also more efficient in power mode than Rotax originally calculated. Please contact Just Aircraft. As a result, my posts to this website may be out of date order but the good news I have lots to report. We leave passenger aircraft to other magazines or websites. It features liquid-cooled cylinder heads and air-cooled cylinders. The 914's performance only gets better and better up high and the 912 falls off normally. 75mm, P.C.D. For both engines, the aircraft was climbed to a specific altitude, leveled and allowed to stabilize on one fuel tank. Our expectation is to have 400 engines out in the fieldby year end, Marc added. Your link has been automatically embedded. Copyright @2018 CTFlier.com Just pursue a PPL if one wants to increase the complexity, thats what its there for, and its not at all difficult to do. On top of that directed to try another runway (first time at this location). In our family we have also had two 912ULS powered planes, and one 914. [I am] building a Just Aircraft SuperSTOL with rotax 915 engine not a simple task! The 80hp (60kW) versions are sufficient to power the new generation of efficient motorgliders, such as the Pipistrel Sinus and the Urban Air Lambada. Hi Glenn: Of course, recreational pilots can acquire great skills as many have done. Set up your individual rotax engine with our engine configurator. What the refreshed experience told me is that FAA was right to say this is unnecessarily complex for recreational pilots. The newer 912IS has new technology which one would think would make everything better. * leaded, unleaded, AVGAS 100LL, Ethanol 10** max. Hi, Mark Gregor from Advanced Aircraft/Tecnam US here. The Rotax 912 series engine powers dozens of types of light sport aircraft, and is widely considered one of the most reliable reciprocating engines available today. Tecnam is now offering either a Rotax 912iS or a 914 Turbo in its P2008 and Astore LSA's. Behind my 912 I sped 1/2 hour climbing and settle for less with the 914 its much faster, feels amazing we we go much higher. That smooth power is such an upgrade that it becomes a different class of airplane, especially out west where that power is needed and useful for high percentage of flights. Motor as the sport upgrade already done. Sign up for exclusive offers and product announcements from ROTAX. 912 UL / A / F 80 HP. Id be a bit surprised if this conservative company embraced that. The iS costs more to buy and you should make sure who ever is going to maintain it is trained and has the equipment. In flying the 915iS I revisited the task of managing throttle and prop controls. 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. 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. The 912iS has 2 stators one dedicated to engine operation and one to provide electrical power for the airplane. [3] The original 80hp (60kW) 912 UL engine has a capacity of 1,211cc (73.9cuin) and a compression ratio of 9.1:1. We live in the KMNE/KDTO area and seek advice. The discussion forum for Sport Pilots and Light Sport Aircraft, Post Just want to better understand Pros and Cons of the 912iS vs. the 912ULS. The UL Power has fuel injection 3. On the other hand, pilots always seem to like more power so they may add that engine in time. 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. 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. Then the fuel source was switched to a second tank and the consumption precisely measured on the ground after exactly an hour of flight. Engine performance may vary depending on, among other things, general conditions, ambient temperature and altitude. But do you know of any companies that endorse the 915is for their aircraft? New FI.R.M. [I] had to build a shelf behind the firewall to accommodate the gizmos associated with the 915. hoping it will be good choice. Dominating the market for small aircraft and kitplanes, Rotax produced its 50,000th 912-series engine in 2014. Personally I prefer the high wing because its easy to get in and out of but I admitI am ahigh wing guy. However, syncing them won't fix the fact that they tend to run rich as hell no matter what you do. 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. In a weight-to-power comparison grams per kilowatt hour fuel consumption is only about 6% higher in the more powerful engine. The complete package presents the latest technology in the aircraft engine industry and will enhance the flying and ownership experience of pilots. The last 914s we delivered had carb leaks at high manifold pressure settings. 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. The Stock Box proved most helpful in observing many factors about the new engine. ). A numbered limited-edition engine in a unique color design with a personal certificate 100 and 200-hour maintenance kits I agree with Mark, the 912 iS was a bit smoother in my experience over the 912 ULS. Without providing much detail, Rotax said the 912 iS is also capable Lambda 1.3 or lean-of-peak operation. When I hear negativity about the 914 it is nearly always from someone who has never flown behind one. Aircraft ; Technical details . The first time I flew the P2008 with the 914 i was very surprised how much stronger it was. 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. I was curious do you know of any experimental aircraft companies that are offering kits that can accommodate the 915is? If the latter is not familiar to you, dont worry about the detail for now but see an important point below*. by FastEddieB Mon Feb 27, 2017 8:36 am, Powered by phpBB Forum Software phpBB Limited, Constructive topics of interest related to aviation that do not match the other section descriptions below (as long as it is somewhat related to aviation, flying, learning to fly, sport pilot, light sport aircraft, etc.). We end up discussing pros and cons of the Rotax engines regularly. In our family we have never had a fault, norany engine whatsoever. 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