Rotax 535
{{short description|Austrian two-stroke aircraft engine}}
{{Use dmy dates|date=March 2023}}
{{Use American English|date=March 2023}}
| {{Infobox Aircraft Begin
| name=Rotax 535 | image= | caption= }}{{Infobox Aircraft Engine |type=Aircraft engine |manufacturer=Rotax |designer= |national origin=Austria |first run=circa 1982 |major applications=Glaser-Dirks DG-500M |produced= |number built= |developed from= |variants with their own articles= }} |
The Rotax 535 is an Austrian aircraft engine, that was designed and produced by Rotax of Gunskirchen for use in motor gliders.European Aviation Safety Agency, (26 February 2010), [http://easa.europa.eu/system/files/dfu/EASA-TCDS-E.209_BRP--Powertrain_Rotax_535_series_engines-01-26022010.pdf Type Certificate Data Sheet Number: E.209], retrieved 24 September 2015
The first application for type certification to JAR 22, Appendix H, was made on 29 June 1982 and the first certification was granted on 27 April 1983. It is out of production and is no longer offered for sale by Rotax.{{cite web|url=http://www.flyrotax.com/products.html|title=Rotax Aircraft Engines - Product Range|work=flyrotax.com|author=Rotax|accessdate=24 September 2015}}
Design and development
The Rotax 535 is a twin cylinder two-stroke, in-line, {{convert|521.2|cc|cuin|1|abbr=on}} displacement, liquid-cooled, gasoline engine design, with a 3:1 belt reduction drive. It employs dual Bosch or Ducati magnetic high-voltage condenser ignition systems, one or two carburetors and produces a maximum of {{convert|60|hp|kW|0|abbr=on}} at 7200 rpm. It runs on 96 octane automotive gasoline or 100LL avgas. Lubrication is 50:1 super two stroke oil premixed with the fuel.
Variants
;535A
:Equipped with twin Tillotson HR or Mikuni BN 38 diaphragm carburetors and a Mikuni DF 44 diaphragm fuel pump. Produces {{convert|60|hp|kW|0|abbr=on}} at 7200 rpm. First certified on 27 April 1983.
;535B
:Equipped with twin Tillotson HR or Mikuni BN 38 diaphragm carburetors and a Mikuni DF 44 diaphragm fuel pump. Produces {{convert|55|hp|kW|0|abbr=on}} at 7200 rpm. First certified on 27 April 1983.
;535C
:Equipped with one Mikuni BN 38 diaphragm carburetor and a Mikuni DF 44 diaphragm fuel pump. Produces {{convert|60|hp|kW|0|abbr=on}} at 7200 rpm. First certified on 12 June 1987.
Applications
- Glaser-Dirks DG-500M{{cite web|url=http://www.aopa.org/News-and-Video/All-News/1993/January/1/The-Glaser-Dirks-DG500M|title=The Glaser-Dirks DG500M|work=aopa.org|author=Aircraft Owners and Pilots Association| accessdate=24 September 2015}}
- Rolladen-Schneider LS9 - prototype
- Schempp-Hirth Janus
- Schempp-Hirth Nimbus-4
- Schleicher ASH 25
Specifications (535A)
{{pistonspecs|
|type=Twin cylinder, two stroke aircraft engine
|bore={{convert|72|mm|in|1|abbr=on}}
|stroke={{convert|64|mm|in|1|abbr=on}}
|displacement={{convert|521.2|cc|cuin|1|abbr=on}}
|length=
|diameter=
|width=
|height=
|weight=
|valvetrain=
|supercharger=
|turbocharger=
|fuelsystem=2 x Tillotson HR or Mikuni BN 38 diaphragm carburetors, with a Mikuni DF 44 diaphragm fuel pump
|fueltype=96 octane automotive gasoline or 100LL avgas
|oilsystem=50:1 super two stroke oil premixed with fuel
|coolingsystem=liquid
|power={{convert|60|hp|kW|0|abbr=on}}
|specpower=
|compression=
|fuelcon=100% power approximately 29 L/h (7.67 gal/h), 75% power approximately 22 L/h (5.82 gal/h)
|specfuelcon=
|oilcon=
|power/weight=
|designer=
|reduction_gear=3:1 belt reduction drive
|general_other=
|components_other=
|performance_other=
}}
See also
References
{{Reflist}}
External links
- [http://www.tasmaninstruments.com.au/images/probes_a.jpg Photo of a Rotax 535 engine]
{{Rotax aeroengines}}
Category:Two-stroke aircraft piston engines