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rotax 914 power with altitude

 
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ndibiase



Joined: 19 Oct 2008
Posts: 8

PostPosted: Tue Nov 16, 2010 1:06 am    Post subject: rotax 914 power with altitude Reply with quote

It seems to be an evident contradiction between :

- rotax 914 brochure claim (e.g. http://www.lockwood-aviation.com/Four_stroke.htm page 6 ) where it is showed a definite power loss with altitude, even before 16000 feet. This brochure is consistent with performance table on 914 operator engine manual (page 40)

- easa type certificate for this engine that states at page 6 that maximum continuous performance up to critical altitude of 16000 feet is 100 HP (73,5 kW).

Someone has information on this question ?

Nicola di Biase


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rampil



Joined: 04 May 2007
Posts: 870

PostPosted: Tue Nov 16, 2010 6:47 am    Post subject: Re: rotax 914 power with altitude Reply with quote

The 914 is rated at 115 to start

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ndibiase



Joined: 19 Oct 2008
Posts: 8

PostPosted: Tue Nov 16, 2010 12:01 pm    Post subject: Re: rotax 914 power with altitude Reply with quote

rampil wrote:
The 914 is rated at 115 to start


on rotax 914 115 HP is peak power (not continuous , only allowed for 5 minutes under some other restriction).

100 HP is max sustainable continuous power.


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