Rotax 915 fuel burn. If you want the maximum forward speed while consuming the least amount of fuel that happens typically at 37” at 5500 RPM. It features liquid-cooled cylinder heads and air-cooled cylinders. The 915 OM has a lookup table with 2480 data points using the inputs of rpm, temps throttle and altitude then outputs power and fuel burn. It appears at typical cruise settings, the 916 is surprisingly 22-25% more fuel efficient. 2 days ago · NEW HIRTH 3502 FUEL INJECTED $5,700 BLUE LIGHT SPECIAL Brand New High Torque Low RPM Fuel Injected 60HP, Makes a few More Ft lbs of Torque at 75% Power than a Rotax 582 & Less than 1/2 the Fuel Burn! Water Cooled, 76 lbs Total Weight with Electric Start & Exhaust System. (Incidentally the horsepower labels are not correct on the chart in the Rotax operator's manual, I corrected them in this one). ROTALK 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. 41 lb/hp) The 916 fuel efficiency is in line with a typical modern engine. Eco mode on the 915 iS is enabled with a manifold pressure of 37” and below. Aircraft Engine. Also for: 915 is, Om-915 i a, 898851. Take the Power in kw and fuel burn divide one by the other and graph vs the data point. auto-gyro. 250 kg/kwh (. The 916 fuel efficiency is in line with a typical modern engine. Rotax 915 i A Series engine pdf manual download. The Rotax 915 iS is a four-cylinder four-stroke, horizontally-opposed, turbocharged, air and liquid-cooled, gasoline engine design, with a mechanical gearbox reduction drive. 515 lb/hp) 916is: . Note where manifold pressure and RPM are at. . It employs dual electronically controlled fuel injection, using dual channel Rockwell Collins ECUs Four-stroke piston engine with four liquid and air-cooled cylinders Redundant electronic fuel injection and ignition, eco mode Turbocharger, stainless steel exhaust Dry sump forced lubrication with separate oil tank, automatic adjustment by hydraulic valve tappets Engine management system (EMS) Electric starter (12 or 24 volt) Propeller speed reduction gearbox Air intake system / intercooler Pilot Operating Handbook for Gyroplane Cavalon fitted with the Rotax 915iS and 916iS engine f the aircraft and must be kept in current, up-to-date status. 915 i A SERIES engine pdf manual download. Feb 16, 2026 · The 915 is only 82. The Rotax 912 is a horizontally-opposed four-cylinder, naturally-aspirated, four-stroke aircraft engine with a reduction gearbox. The turbocharger has a compression ratio of 3. Sep 6, 2023 · Rotax recently hosted an EAA webinar regarding the new 916iS engine. or not approximation. Some unit conversion and math is required, but the bottom line appears to be that, at maximum continuous power ("Max C"), the 916iS generates about the same po Nov 7, 2023 · I overlayed the 915is and 916is fuel efficiency charts on top of each other. Powered by the turbocharged Rotax 915 iS, it maintains strong performance at altitude while keeping fuel burn impressively low. The lower, blurrier lines are for the 916. The 915 is not - it's so high I'm wondering if the chart is wrong. Extent and revision status of the m Apr 10, 2025 · Fuel burn is 9. BSFC at 5500rpm and around 94kw/126hp: 915is: . View and Download BRP Rotax 915 i A Series maintenance manual online. 312 kg/kwh (. The presentation included this power and fuel burn comparison chart. 5:1 and the engine will have a critical altitude of 15,000 ft (4,572 m). DESCRIPTION 4-cylinder 4-stroke liquid-/air-cooled engine with opposed cylinders Dry sump forced lubrication with separate oil tank, automatic adjustment by hydraulic valve tappets Redundant electronic fuel injection and ignition Engine management system Electric starter Propeller speed reduction gearbox ROTALK 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. 5ci, and it already produces 141hp (with much better fuel consumption), although a lot of this efficiency is obviously attributable to high running speed allowed by the cleverly engineered reduction gearbox. 5 GPH. Originally equipped with carburetors, later versions are fuel injected. The latest revisions and version status is available at www. com. The 915 is not View and Download Rotax 915 i A SERIES operator's manual online. that will tell you how close Fuel burn is to an accurate . yyb kpt eyx kdq sxy ivc ptw jlr mut lkk rub dxp jjj nvi vbu