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Avgas rotax 912

Avgas is an aviation fuel used in spark-ignited internal-combustion engines to propel aircraft. One of the big success stories in light aviation powerplants is the Rotax 912. Rotax believe, of excessive use of AVGAS with its very high lead content ( particularly  Jul 13, 2016 In addition, two radial engines will be tested using unleaded avgas, as will one other engine, a Rotax 912S. *FREE* shipping on qualifying offers. The Rotax 912 is a naturally aspirated, air-and water-cooled, horizontally opposed four-cylinder, four-stroke, gear reduction-drive engine commonly used on certified aircraft, light sport aircraft, ultralight aircraft and unmanned aerial vehicles. In addition to AVGAS and unleaded automotive fuel (Mogas) the ROTAX, 912/ 914 series of engines are now approved for use with E10. Beside the standard 912 UL 80hp, and the 912 ULS 100hp, we have added to our price list a new 120hp turbocharged 912. 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 aircraft engine. In common use, you’ll only need “Power” mode in takeoff phase. The Tecnam P2008 is the first Tecnam aircraft fitted with the all new Rotax 912iS engine. Exceptionally light and strong, Spacious comfort in a cockpit with conventional stick Generally the 100-LL can be used in the Rotax 912 and 914 series. leaded avgas is used. - /Engine Type. Rotax 914 Turbo Charged aircraft engine service for Deland, Orlando, Daytona Beach, Spruce Creek, Sebring, New Smyrna Beach, Clearwater, Tampa, Sanford, Jacksonville, Miami, Fort Lauderdale, Gainsville, Fort Myers area light sport aircraft and general aviation aircraft owners. This engine series offers a time between overhauls of 2. 1 former owner with under 300 hrs -ttaf/e. The 80 hp version of the Rotax 912 series offers a time between overhauls of 2. Some airports with high ultralight/LSA traffic will have ethanol free auto fuel available at the pumps. E10 with the same octane rating is acceptable and so is Avgas 100LL. Ref. None of this is very healthy. AVGAS 100L). I run mainly 98 unleaded pump gas but use avgas when on a xcountry for  ROTAX 912 UL - 80 HP info Pak. For all owners of Rotax 912, 912-S and 914-engined LAA aircraft wishing to operate on unleaded Mogas fuel. A cleaner environment. The Rotax 912 is a normally aspirated, air- and water-cooled, horizontally opposed four-cylinder, four-stroke, gear reduction-drive engine commonly used on certified aircraft, light sport aircraft The 80 hp version of the Rotax 912 series offers a time between overhauls of 2,000 hours and is available as non-certified (Rotax 912 UL) as well as certified version according to FAR 33 (Rotax 912 F) and JAR 22 (Rotax 912 A). The use of unleaded fuel is far better for your Rotax 912/914 series engine. 2) Concurrent ASB/SB/SI and SL Further to this Service Bulletin the following additional Service Instruction must be observed and complied with. Effectivity: 912 Serie OM initial issue AIRCRAFT ENGINES 2) Index A Abnormal operation 10 - 21 Acceleration (912 UL / A / F) 10 - 1 Acceleration (912 ULS / S) 10 - 5 AVGAS 100 LL 10 - 10 C Carburetor 10 - 14 Certification 7 - 2 Check of hydraulic propeller governor 10 - 17 Cold start 10 - 19 Cold weather operation 10 - 19 Configuration 7 - 2 The 80 hp version of the Rotax 912 series offers a time between overhauls of 2,000 hours and is available as non-certified (Rotax 912 UL) as well as certified version according to FAR 33 (Rotax 912 F) and JAR 22 (Rotax 912 A). oil change and plug change at 50 hours (and preferably 25 hours for the plugs). All manufacturers that used the 912 iS in the past, such as Pipistrel and Kitfox, will now produce airplanes with the 912 iS Sport. Savage aircraft (for pending deliveries ask for upgrade option). 4. If you plan on using it more frequently then the schedule of oil and oil filter changes gets more frequent. AVGAS UL 91contains no lead. 5800 leaded or unleaded or AVGAS 100 LL. com. Rotax-Owner. The main concern is the clutch in the reduction unit becoming contaminated with lead from the fuel, resulting in the clutch slipping. Some may have noticed that the Rotax manuals mention ratings of 90 and 95 respectively. Tips and Tricks for the Ideal 912 Installation Part 1 Understanding the 9-series Rotax aircraft engines 912UL – The 81-hp Rotax 912UL engine, which is less expensive to operate because it’s able to use 87-octane regular autogas. The latter problem was really disconcerting when power was reduced for landing. Sport Plus 4 was developed in an effort by both Rotax and Shell to produce an oil whose formulation was stable and well suited for the Rotax 4-stroke aircraft engines. Valve sticking can be an issue as well. operators manual for rotax® engine type 912 series (912 uls / s) 10 - 5 avgas 100 ll 10 - 10 c the rotax 912 ul/uls/ulsfr is restricted to Get the best deal for Rotax Aviation Engines from the largest online selection at eBay. Also, the future of AVGAS as a fuel looks very difficulty to predict with confidence. Figure 3: ConAir  In comparison to the 80 hp version of the Rotax 912 series the 100 hp product line offers more power 5 min ** leaded, unleaded, AVGAS 100LL or Ethanol 10 . Does this affect the seals When setting the 912 iS at just under 5,000 rpm I see about 125 mph (about 110 knots) at lower altitudes, at which speed digital instruments calculate 30 miles per gallon. In a Rotax engine the gearbox is lubricated by engine oil. 6. Browse your favorite brands affordable prices free shipping on many items. 58. 000 hrs and the best power to weight ratio in its class - no surprise that this engine is the best selling 4-stroke engine. Do not use any other AeroShell product in your Rotax. • P&W –  Rotax 912 engines can not be run like Ly-Con dinosaurs. Some concerns over carb icing and vapour locks can be overcome by a well designed fuel system that includes a vapour return system and a suitable carb heat system. Rotax 912 ULS 100 HP aircraft engine service for Deland, Orlando, Daytona Beach, Spruce Creek, Sebring, New Smyrna Beach, Clearwater, Tampa, Sanford, Jacksonville, Miami, Fort Lauderdale, Gainsville, Fort Myers area light sport aircraft and general aviation aircraft owners. Unfortunately, O-200-D also burns more gas, so the financial savings over the lifetime of the engine may not be as great. 4-cylinder; 4-stroke liquid-/air-cooled engine with opposed cylinders Tecnam P2006T is a twin-engine four-seat aircraft with fully retractable landing gear. For ROTAX 912 UL/A/F,. In comparison to the 80 hp version of the Rotax 912 series the 100 hp product line offers more power while keeping the weight. 5 Question regarding 100LL in the Rotax 912. Long term use of Avgas can cause problems with lead build-up on valves, con-rods and the sprag clutch. I. Since 1989, Rotax has sold more than 46,000 four stroke engines in the 912/914 family (80 to 115 horsepower); that’s nearly 2,000 a year. Russ on April 4, 2010 at 16:28 in CSA Owners General Chat; Avgas in the long run is on the way out In addition to AVGAS and unleaded automotive fuel (Mogas) the ROTAX, 912/914 series of engines are now approved for use with E10. This DVD by Paul Hamilton provides tips and techniques for trouble-free operation of a Light-Sport Aircraft (LSA) with a ROTAX 912 engine and provides an introduction to important aspects of maintaining the 912 and 912S. Also for: 912 a, 912 usl, 912 s, 912 f. Rotax 912 UL. To gain real-time experience, Rotax replaced a 912 ULS with the new 912 iS and flew it for 260 hours. Rotax 912 specifications, Rotax 912 specs performance curve, fuel 912ULS - D. . Recomended oil change of every 30 hours when using avgas Injected engines such as the 912 iS incorporate a FADEC that accomplishes the same thing. 2) Concurrent ASB/SB/SI and SL none 1. Rotax Service Interval Guide Not new news, but a very informative summary With growing numbers of 912 & 914 series engines in service these days Rotax have gathered a great deal of field experience and have been continually updating the maintenance procedures. Before carrying out maintenance work on the engine, read the Maintenance Manual carefully. D910). REDUCED FOR QUICK SALE!!!! Highly desirable Pulsar with nose wheel with rotax 912 (80hp). Perhaps the most delightful difference is that the Rotax is designed to use unleaded autogas, which is significantly cheaper and cleaner than avgas. com is a web based support system which provides a common access point for locating key Information - Education - Support for their Rotax Aircraft Engines such as the Rotax 912, Rotax 914, Rotax 912 iS, Rotax 915 iS, Rotax 503 and Rotax 582. Anticipating the withdrawal from sale of four-star Mogas as of 1st January 2000, the CAA have issued Airworthiness Notices 98B and 98C, now replaced by Cap 747, Section 2, Part We have a Eurostar fitted with a Rotax 912 Over the last 3 months it has been very dificult to find Mogas without Ethanol in our last supply has now just tested positve for ethanol. Renew at 100 hour intervals of operation - NOTE the 912 was designed and intended to be run on UNLEADED fuels with a minimum of 89 octane. Renew at 100 hour intervals of operation • Spark plugs, when using unleaded auto fuels-Renew at 100 hour intervals of operation When we installed the new Rotax 912 in 1995, it exhibited poor idle when started, uneven running up to 3,000 rpm, and worse yet, would really shake in flight when the throttle was pulled back to idle. [1] Development Fuel life is 2 months, depending on the amount of moisture it’s exposed to. 2 Three million children attend a school within 1 kilometer of . Rotax produced its 50,000th 912-series engine in 2014. When operating primarily on leaded AVGAS fuel, we recommend to  In comparison to the 80 hp version of the Rotax 912 series the 100 hp product line offers more power while keeping the *leaded, unleaded, AVGAS 100LL  Mar 27, 2017 According Maintenance Manual of engine type ROTAX® 912 i, 915 i, . The result can be hard starting and increased wear in the starting system, including damage to the sprag clutch. 4-cylinder; 4-stroke liquid/air-cooled engine with opposed cylinders; dry sump forced lubrication with separate > Aircraft Engine > Rotax 912 iS Sport Aircraft Engine. Checking to see how much sludge is at the bottom of our Rotax oil tank on our Revolt Trike. 912 ULS. Just watched the ASA video ROTAX 912 ENGINE INTRODUCTION with Phil Lockwood. 912 Series. Of this number, 50,000 were 4-stroke engines from the well-known 912/914 series. Method: -100LL has a minimum motor octane of 104 -Regular automotive gasoline (87 AKI) has a minimum MON (motor octane number) of 82. July 13  ROTAX 912 Basic Operation and Maintenance for Pilots and Mechanics tips on finding updated Rotax information, automobile gas and avgas options, and  ROTAX 912 iS SPORT | 100 HP ENGINE Rotax 912iS 100 HP Engine. Rotax recommend that if you use Avgas all the time then the service interval should be halved i. Using 100LL is permissible but not recommended. Based on the proven concept of the Rotax 912 S/ULS engine the new Rotax 912 iS leaded, unleaded, AVGAS 100LL or E10 aviation gasoline (avgas) and motor · gasoline (mogas) as fuel – a . AVGAS can be used but special considerations are needed (see details below) Auto Gas/Alcohol. 5800 max. Should use ROTAX filter because it is designed specifically with bypass pressure high enough for higher 912 oil pressures and is designed specifically for aircraft environment. The current Super Series as a derivate of the well known and successful CT Series is also the one of the most popular ultralight aircraft in the world due to it’s innovative design, advanced safety features and state-of-the-art avionics. Delivering significantly better fuel efficiency and lower operating costs than comparable light sport and ultra-light aircraft, the Tecnam P2008 is powered by the all new Rotax 912iS, reducing fuel costs, be it Mogas or Avgas, by up to a remarkable 20%. See Rotax Service Information 11 UL 91 for the details. With a choice of 3 engines, the Rotax 912ULS, 914 Turbo and the 912iS, the by the all new Rotax 912iS, reducing fuel costs, be it Mogas or Avgas, by up to a   by Rotax*. When flying on 100LL avgas on long-distance trips, the engine would quickly show the effect of lead Regarding using Avgas in 4-stroke Rotax engine: the handbook of the 912 says it's ok if you use it less than 30% of the time. 4) Subject Selection of suitable operating fluids for ROTAX ® engine type 912 and 914 (Series) - This information should help the aircraft builder and operator ensure that the operating conditions and ROTAX 912 SERIES ENGINES - INSPECTION AND MAINTENANCE SCHEDULE • Spark plugs, when using 100LL avgas-Inspect at 50 hour intervals of operation. 912 A3 912 F3 912 S3 914 F3 If the engines have been run more than 30 % of the complete period of operation on leaded fuel (e. DISCLAIMER. Rotax 912 / 914 Gearbox Service, Servicing & Repair! AeroFix Aviation offer a mobile maintenance service with a fully equipped mobile workshop AND a fully equipped static workshop (by prior arrangement). Hence the yse of motorcycle oil in the Rotax. Reference: Rotax 912 iS. 3) Reason - Field experience has shown that additional information about the choice of suitable motor oils and oil change and maintenance intervals for the ROTAX engines Type 912 and 914 is necessary. leaded, unleaded, AVGAS 100LL or Ethanol 10  Sep 23, 2013 According Maintenance Manual of engine type ROTAX® 912 i, 912 and . For those wishing Figure 2: Rotax 912 maintenance schedules. Condition: unleaded, AVGAS In comparison to the 80 hp version of the Rotax 912 series the 100 hp product line offers more power while keeping the same weight. The Flight Design Ultralight Series has defined performance, safety and comfort in the Ultralight classes from the very beginning. Anyone know the current position regarding use of UK Mogas in Rotax 912/914s? These engines are designed to use Mogas (Avgas in emergency or if Mogas not available) but there has been much written recently about the (increasing?) amount of alcohol/ethanol present in Mogas. The gearbox may also need some extra work, but only if your gearbox has a slipper clutch, and it is only necessary every 600 hours. Oil Filters. Avgas and Autogas mixing For the Rotax 912/914 series engines Avgas and Autogas can be mixed together in any ratio; this is done primarily to increase the octane rating of Autogas. We used to use that chart with a timer on many factory new gray and blue head engines. 5500. Facts. All Rotax aircraft engines are approved for operation with ethanol 10, MOGAS and AVGAS. motor oil, coolant and fuel, and about oil change and maintenance intervals for ROTAX ® engine types 912 and 914 is necessary. Rotax Aircraft Engines, Limitations. Rotax 912 iS/iSc Sport 100 hp Based on the proven concept of the Rotax 912 S/ULS engine the new Rotax 912 iS Sport engine offers all well known advantages of the Rotax 4-stroke engine series complemented by additional features, for example, the engine management system. Jerome Greer Chandler. Suitability of fuel system components of airframe More than 175,000 Rotax aircraft engines have been sold since 1973. – Avgas has many qualities necessary to control Rotax – 912ULS/912iS/914UL. They can be bought as experimental (UL) or certified (A and F) engine and there are four main models (injected too) to date. For a cleaner atmosphere and for  APPLICABILITY All Pegasus aircraft powered by the ROTAX 912 engine. The use of leaded avgas can cause buildup of lead sludge in the oil  Best fuel to use for your Airplane Light Sport Aircraft ROTAX engine is unleaded auto Can use AVGAS, but lots of lead in 100LL, so special considerations are  As you will know, Avgas 100LL contains a compound known as Tetra Ethyl Lead . Description. a g •Iiiit/RPM max take-off. ” With its new features and additional equipment, Rotax said the 912 iS costs about 17% more than the 912 with carburetor. Rotax 912 ULS. aviation engines that were developed in the late 1990s are designed to run on unleaded fuel and on 100LL, an example being the Rotax 912. 1) Engines affected All versions of the engine type: - 912 (Series) - 914 (Series) 1. . The Rotax 912 is significantly more expensive, last I checked. 14b#1,131i$1. The Rotax four stroke models (912, 914 and  Zenith Aircraft Company recommends the Rotax 912 series engines as the standard powerplant for both the ZODIAC CH 601 series and the or 100 LL Avgas  Avgas, or have certain components fitted, so make sure you follow it carefully. View larger. Rotax’s new 912S produces more horses per dollar than its 80-hp 912 (no “S”). 0. 2016 iceberg. people; knowing a friend burned up his aircooled Rotax 912 with multiple  Rotax 912 iS/iSc Sport (100 HP). In comparison to the 80 hp version of the Rotax 912 series the 100 hp product line offers more power while keeping the same weight. Over-pitched propellers. SPECIFICATIONS *leaded or unleaded or AVGAS 100 LL . g. 2015. Best fuel to use for your Airplane Light Sport Aircraft ROTAX engine is unleaded auto gas, premium (91 octane) for 100 HP 912S and 115 HP 914 turbo, but regular (87 octane) is OK for 81 HP 912. Although we do not sell Rotax engines, Sonex Aircraft provides Rotax 912-series engine mount options for the new line of B-Model aircraft, and B-Model cowlings have been designed to accomodate Rotax engines. The big volume market for new aeroplane engines is undoubtedly in the Rotax 912 100 hp class, the kind of engine that goes in an LSA in the States or a VLA in Europe. Posted by Richard T. Provides enhanced anti-wear protection compared to the previous generation – helping to ensure engines reach time between overhaul (TBO). The AeroShell Oil Sport Plus 4 offers the following core benefits: It is the first aviation oil in the market that is BRP-Rotax tested and is Rotax Norm RON 424 approved. Rotax engines - and has since been endorsed by Rotax for the 912 UL/A/F, 912 ULS/S and 914  Jun 1, 2017 Rotax has sold 50,000 912/914-series aircraft engines, according to the . by Paul Hamilton in Publications. Rotax 912-series engine mounts are also newly available for Legacy Sonex Aircraft. The green 100/130 AVGAS is nasty stuff and around Parafield, some fuel-injected C172s are having real trouble with it. 5 min. It is, by the way, the only AeroShell product that is suitable for these engines. 115 knots cruise burning 15 litres per hour (mogas or avgas). Avgas UL 91 is now available in our general aviation network. THE BIG DEBATE is the 40:1 PREMIX RATIO. The Rotax 912 A/F/UL engines require a minimum octane rating of 87 AKI, commonly referred to as “regular” while the Rotax 912 S/ULS/ULSFR and 914 F/UL require a minimum of 91 AKI (“premium”). Rotax 912 Engine Introduction: Basic Operation and Maintenance for Pilots and Mechanics (Freedom to Fly Series) [Phil Lockwood, Dean Vogel, Paul Hamilton] on Amazon. If any passages of the Manual are not clearly understood or if you have any questions, please contact an authorized Distribution or Service Center for ROTAX-aircraft engines. Rotax 912 Engine Introduction: Basic Operation and Maintenance for Pilots and Mechanics. Auto gas with up to 10% alcohol tested and approved by ROTAX. UL 91 is a colourless, unleaded aviation gasoline that we designed initially based on Rotax engines - and has since been endorsed by Rotax for the 912 UL/A/F, 912 ULS/S and 914 ULF/F engines (read the Rotax Service Instruction). View and Download Rotax 912 UL operator's manual online. 912 UL Engine pdf manual download. 81. 4-cylinder; 4-stroke liquid-/air-cooled engine with opposed cylinders Rotax 912 Engine Introduction: Basic Operation and Maintenance for Pilots and Mechanics (Freedom to Fly Series) [Phil Lockwood, Dean Vogel, Paul Hamilton] on Amazon. Swift Fuels is now commercializing an Unleaded UL94 Avgas in the US and of many of the engines manufactured by Lycoming, Continental, and Rotax. Rotax four stroke aircraft engines have proven themselves as reliable pieces of machinery. Mainly because of the anticipated reduced availability of AVgas. 1. auto fuel or avgas with this Description. SI-18-1997 Selection of motor oil, current issue 1. For non Rotax Rick customers, PLEASE do not use the Rotax break in chart. The four-stroke engine evolved from Rotax’s two-stroke line and offered a strong 80 horses. However, after we completed the one hour Rotax break in we would remove the exhaust and inspect the cylinder bores and cross hatching through the exhaust port. 1) Remarks ROTAX 912 Basic Operation and Maintenance for Pilots and Mechanics. 59. Fuels such as 100 LL avgas tend to contaminate the engine. Spark plugs, when using 100LL avgas-Inspect at 50 hour intervals of operation. 79. All our fixed-price scheduled servicing work is completed along with a detailed Workshop Report Sheet of the work carried out if requested. exclusively in my present Rotax 912ULS which reduces the oil change  The range of TOTAL AVGAS and JET aviation fuels power a wide variety of different Endorsed by Rotax – for use in its 912 UL/A/F, 912 ULS/S and 914 OLF/F  Jan 21, 2011 La service information letter de ROTAX SI-912-016/SI-914-019 R3 traite également Subject: Unleaded Aviation Gasoline (Avgas) UL 91. The superior high-wing configuration offers stability, superior cabin visibility and easy access for passengers and luggage. a 100HP Rotax or an 80HP Rotax (912 ULS or 912 UL). Land on any strip, even on beaches. D. 4-cylinder; 4-stroke liquid-/air-cooled engine with opposed cylinders The 80 hp version of the Rotax 912 series offers a time between overhauls of 2,000 hours and is available as non-certified (Rotax 912 UL) as well as certified version according to FAR 33 (Rotax 912 F) and JAR 22 (Rotax 912 A). – S-LSA must use ROTAX oil filter ROTAX 912 iSc Sport 3 type certifica-tion configura-tion additional designation Designation AVGAS 912iSeries AviationStandard AVGAS100LL(ASTMD910) Page2-6 The 80 hp version of the Rotax 912 series offers a time between overhauls of 2,000 hours and is available as non-certified (Rotax 912 UL) as well as certified version according to FAR 33 (Rotax 912 F) and JAR 22 (Rotax 912 A). e. In comparison to the 80 hp version of the Rotax 912 series the 100 hp product line offers more power while keeping the same weight. When flying abroad I usually don't bother restricting myself to Mogas. 9 4800. Fuels that contain more than 10 %ethanol blend have not been tested nor are they permitted for use. It is a new fuel aimed at the general aviation market. After using only 100LL AVGAS for 100 hours this past year. 3) Reason burning Avgas also cause deposits in the cylinders and crankcase that increase the likelihood of corrosion. However, as Kent said, MOGAS is good for most all of the low compression CONT and LYC engines and of course the new designs like ROTAX 912 series that were designed to run on MOGAS. Not to mention the Rotax engine in my SportStar, which is why I now fill it with premium unleaded MOGAS, the fuel it was designed for. (Rotax 912 S / 914) Short take-off and landing. Nowadays, Lycoming is developing engines capable of running both fuels. C. You can add Stabile to the fuel if you know your flying may be limited. Part No. Rotax 912 Troubleshooting Help / Guide. The Rotax four stroke models (912, 914 and 915) will run happily on AVgas, but due to the higher lead content oil changes must be done every 50 hours and must be mineral or semi-synthetic in blend. According to Yüksel (2004), the Rotax 912-ULS engine, two-stroke 618 engines, and the  Products 1 - 18 of 144 Although approved for it, the 912 doesn't like leaded avgas, but the 912s are also approved for ethanol-blended avgas up to E10. AVGAS 100 LL (ASTM. Avgas is distinguished from mogas (motor gasoline), which is the everyday gasoline used in motor vehicles and some light aircraft. Rotax 912/914 series FAQ’s -Can I use Avgas? -What about ethanol? The Rotax gearbox design is a model of simplicity and ruggedness. Our home Airfield Netherthorpe does not supply the new approved UL91 Avgas but does does stock the 100 Avgas leaded product. Get the best deal for Rotax Aviation Engine Components from the largest online selection at eBay. This will seriosly effect the opporation of the slipper clutch. The Rotax 914 is a turbocharged version of the Rotax 912 engine, and the new Rotax 912iS engine is the latest engine from Rotax, with fuel injection and an engine management system (ie. The Rotax 912 A/F/UL engines require a minimum octane rating of 87 AKI, than 3 weeks old; AVGAS except when the required automotive fuel is not available  The 80 hp version of the Rotax 912 series offers a time between overhauls of 2,000 hours and is available as leaded, unleaded, AVGAS 100LL or E10 If you are running Avgas 50% of the time or more, the same service instruction According to Rotax Service Instruction SI 912-016, you are allowed to use a fuel  Avgas UL 91 is now available in our general aviation network. The others are all intended for Rough Running Rotax 912/914 Engine: Ignition and Exhaust. Rotax say Avgas is safe to use . 1/Engine Limits: X43#1,11. released by BRP-Rotax (for use with leaded AVGAS), which we rec-. for all versions of ROTAX 912 Engine serial no: Acceleration (912 ULS / S) 10 - 5 AVGAS 100 LL 10 - 10 C Carburetor 10 - 14 Certification 7 - 2 Check of hydraulic Re: Rotax 912 ULS Fuel Consumption Unread post by Avgas » Wed Nov 02, 2011 4:58 am Draggy (Cheetah no offence )aircraft at 5000rpm level cruise the manifold pressure should be higher than a Sling at same rpm. AvGas 100LL is the very safest gas you can ever use. My engine operates without any problems, I would not worry too much, and as you know running on AVGAS is not recommended for Rotax engines unless you change the oil every 25 hours. The Rotax 912 is a normally aspirated, air-and water-cooled, horizontally opposed four-cylinder, four-stroke, gear reduction-drive engine commonly used on certified aircraft, light sport aircraft, ultralight aircraft and unmanned aerial vehicles. Rotax 912 & 100LL H. – SHELL AeroShell Sport Plus 4 should be used if AVGAS is used 30% or more of the time – Minimize AVGAS with Mobile 1. A geared One of the main reasons that 100LL is around is the fact that it IS the only solution for high compression aviation engines. 4-cylinder, 4-stroke aircraft engine that runs on Avgas or Automotive fuel. 000 hours and is available as non-certified (Rotax 912 UL) as well as certified version according to FAR 33 (Rotax 912 F) and JAR 22 (Rotax 912 A). The 912/914 series engines need to generate a minimum of 5,200 rpm at Wide Open Throttle (WOT) in the take-off run. The Rotax 912 is a normally aspirated, air- and water-cooled, horizontally opposed four-cylinder, four-stroke, gear reduction-drive engine commonly used on certified aircraft, light sport aircraft, ultralight aircraft and unmanned aerial vehicles. In it he advises that if you are going to use 100LL as primary fuel there are 4 things to do to increase engine life: 1- use dinosaur oil - no synthetics 2- use Declan 3- adhere to 25 hour oil/filter changes & clean I have a 912s (11. If you run leaded avgas in rotax 912  Sep 5, 2014 Avgas has stabilizers in it to keep it from gumming up in short term. Based on the proven concept of the Rotax 912 S/ ULS engine the new 912 iS Sport engine offers all well known advantages of the Rotax 4-stroke engine series complemented by additional features, for example, the engine management system. you would notice a higher RPM on Rotax engineers have set the engines to run in what they call Eco mode (until 97% power is demanded). MODEL S-6S (STD WING, ROTAX 912) GENERAL ISSUED: October 30, 1993 4 FUEL Fuel Grade: Premium grade gasoline 91 octane or AVGAS 100LL (blue) Total Capacity 18 US Gal ***CAUTION*** DUE TO HIGHER LEAD CONTENT IN AVGAS, THE WEAR OF THE VALVE SEATS IN THE COMBUSTION CHAMBER WILL INCREASE. So, if one can sacrifice 50 lbs of useful load, then the option of O-200-D looks rather attractive. We accept no responsibility for the consequences of your troubleshooting endeavours as a result of following any of our suggestions. USE OF AVGAS: If you find it necessary to use Avgas in your Rotax 912/914 aircraft engine you will need to replace your spark plugs twice as often, and change the oil and oil filter at least every 50 hours. Lead from the use of avgas will coltaminate the oil and settle in the gearbox. Flight schools using 912 iS-equipped airplanes will also be able to participate in the upgrade, Rotax said. 912ULS – The 100-hp Rotax 912ULS is the engine of choice for many experimental aircraft and the new The 1484cc ZIPPER CYLINDER HIGH POWER KIT will give your Rotax 912uls, 114HP. 912 ULS/S and 914 UL/F engines. 4-cylinder; 4-stroke liquid-/air-cooled engine with opposed cylinders 912 UL, 912 ULS and 912 ULSFR. 1 compression ratio) that I run on 95RON the lowest grade recommended by Rotax, in summer it has operated at 35+*C. Offering several advantages over a Rotax 914, like a considerably lower price tag, it was a worth considering option for our range. Fuels that contain more  Jul 25, 2017 Path To Unleaded Avgas. Don’t listen to the know-it-alls. If you are running a Rotax 912, using the recommended NGK DCPR8E plug  Even some manufacturers advise users to mainly use Mogas in their engines but that AVgas can be used as well. Avgas (aviation gasoline, also known as aviation spirit in the UK) is an aviation fuel used in spark-ignited internal-combustion engines to propel aircraft. The lead "centrifuges out" in crank shaft oil passageways and can result in bearing problems due to oil starvation. Paul Shuch is a Light Sport Repairman with Maintenance ratings for airplanes, gliders, weight shift control, and powered parachutes, as well as an independent Rotax Maintenance Technician at the Heavy Maintenance level. 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. I understrand that in Rotax 912's and 914's, leaded fuel cuts down the recommended TBO by half to 1000 hours, also halves the oil change interval. 103 75. I have rebuilt 100+ engines that used it 100% of the time. Licensed to fly open, low noise emission, outstanding visibility: Rear Engine with Jet style canopy. Rotax 912 iS Sport Aircraft Engine. ” • Will Rotax BRP stop making the carburetor version? “No, the iS is an addition to the line and not a replacement. avgas rotax 912

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