| 词条 | Rotax 915 iS | |||||||||||||||
| 释义 |
The Rotax 915 iS is an Austrian aircraft engine, produced by Rotax of Gunskirchen for use in ultralight aircraft, homebuilt aircraft, light-sport aircraft, small helicopters and gyroplanes. The engine was type certified in 2017.[2][3] The engine was first publicly displayed at AirVenture in July 2015[2] and first flown in March 2016.[4] In January 2016 the engine was named AVweb's "Best New Engine" of 2015.[5] Design and developmentThe 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. The turbocharger has a compression ratio of 3.5:1 and the engine will have a critical altitude of {{convert|15000|ft|m|0|abbr=on}}. It employs dual electronically controlled fuel injection, using dual channel Rockwell Collins ECUs, with dual ignition and produces {{convert|141|hp|kW|0|abbr=on}} for take-off and {{convert|135|hp|kW|0|abbr=on}} continuous. The engine can produce rated power up to {{convert|15000|ft|m|0|abbr=on}} and has a ceiling of {{convert|23000|ft|m|0|abbr=on}}.[1][2][9] The engine is based on the Rotax 912, but differs in that it has a reinforced crankshaft, new pistons, a new gearbox and a turbocharger. Time between overhauls was expected to eventually be raised to 2000 hours with operational experience, but started at 1200 hours.[2][6][7] The design entered production in the second half of 2017. The European Aviation Safety Agency certified the Rotax 915 iSc3 A on 14 December 2017 and the Rotax 915 iSc3 B on 4 January 2018.[8] Applications
Specifications (915 iS){{pistonspecs||ref=AVweb[2] and manufacturer's website[1] |type=four-cylinder, four-stroke, horizontally-opposed, geared aircraft engine |bore={{convert|84.0|mm|in|1|abbr=on}} |stroke={{convert|61.0|mm|in|1|abbr=on}} |displacement={{convert|1352|cc|cuin|1|abbr=on}} |length= |diameter= |width= |height= |weight={{convert|84.6|kg|lb|1|abbr=on}} dry |valvetrain= |supercharger= |turbocharger= with a compression ratio of 3.5:1 |fuelsystem=dual channel Rockwell Collins ECUs |fueltype=high-octane automotive gasoline |oilsystem= |coolingsystem=liquid and air |power={{convert|141|hp|kW|0|abbr=on}} for take-off, {{convert|135|hp|kW|0|abbr=on}} continuous |specpower= |compression= |fuelcon= |specfuelcon=280 – 310 g/(kW·h) at 5,500 rpm |oilcon= |power/weight=0.73 hp/lb (1.19 kW/kg) |designer= |reduction_gear=mechanical gear type |general_other= |components_other= |performance_other= }} See also{{aircontent|see also= |related= |similar aircraft= |lists= *List of aircraft engines }} References1. ^1 2 {{cite web|title=ROTAX 915 IS/ISC - Rotax Aircraft Engines|url=http://www.flyrotax.com/produkte/detail/rotax-915-is-isc.html|website=www.flyrotax.com|accessdate=31 January 2018|language=en}} 2. ^1 2 3 4 {{cite web|url=http://www.avweb.com/avwebflash/news/Rotax-Announces-New-135-hp-Turbocharged-Engine-224487-1.html|title=Rotax Announces New 135-hp Turbocharged Engine|work=AVweb|accessdate=22 July 2015}} 3. ^{{cite web|url=http://www.rotax-owner.com/en/rotax-blog/item/43-915is|title=Rotax-Owner.com - ROTAX 915 IS: BRP UNVEILS A NEW TURBOCHARGED ROTAX AIRCRAFT ENGINE|work=Rotax-Owner|accessdate=22 July 2015}} 4. ^{{cite web|url=http://www.avweb.com/avwebflash/news/Rotax-Updates-915iS-Progress-225991-1.html|title=Rotax Updates 915iS Progress|work=AVweb|accessdate=7 April 2016}} 5. ^{{cite web|url=http://www.avweb.com/blogs/insider/AVwebs-Stuff-of-the-Year-225403-1.html|title=AVweb's Stuff of the Year|work=AVweb|accessdate=2 January 2016}} 6. ^1 {{cite web|url=http://www.avweb.com/avwebflash/news/Rotax-915iS-Sport-Moves-Closer-To-Market-226660-1.html|title=Rotax 915iS Sport Moves Closer To Market|work=AVweb|accessdate=28 July 2016}} 7. ^https://www.flyrotax.com/produkte/detail/rotax-915-is-isc.html 8. ^{{cite web|url = https://www.easa.europa.eu/sites/default/files/dfu/TCDS_E%20121_Issue10_20180104_1.0.pdf|title = Type Certificate Data Sheet No, E.121 for Piston Engines Rotax 912 series |access-date = 31 January 2019|author=European Aviation Safety Agency|work = www.easa.europa.eu|date = 4 January 2018}} External links
3 : Rotax engines|Aircraft piston engines 2010–2019|Boxer engines |
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