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fuel efficient engine?

Old 09-19-2010, 11:12 AM
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mrfourtysevenman
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Default fuel efficient engine?

i was wondering if anybody knows of a fuel efficient .40-.61 nitro engine in the 2 stroke range or equivelent sized 4 stroke that gets good fuel economy. i know my enya .45 flew for 26 minutes and still had more than half a tank of nitro left. i just want to enjoy long flights but i cant seem to find a us distrubutor of enya engines.
Old 09-19-2010, 02:45 PM
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cutaway
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Default RE: fuel efficient engine?

You can order Enya's direct from the factory.

http://enya-engine.com/index_E.htm

Old 09-19-2010, 08:10 PM
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Gray Beard
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Default RE: fuel efficient engine?

I don't see a lot of Enya engines but so far I have never seen an engine get the milage the OS .55 AX is getting.
Old 09-20-2010, 03:44 AM
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Default RE: fuel efficient engine?

Unless you go with gas ...

Bedford
Old 09-20-2010, 08:19 AM
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Charlie P.
 
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Default RE: fuel efficient engine?

i know my enya .45 flew for 26 minutes and still had more than half a tank of nitro left.
Put in a 700cc tank and you'll go 90 minutes.     

The OS S-52 and TT F-54 four-strokes are sippers. 
Old 09-20-2010, 01:17 PM
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cutaway
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Default RE: fuel efficient engine?

FWIW, I've noticed running an FAI mix in an engine that will tolerate it (i.e. not very low compression engines) tends to run a bit longer than the higher nitro mixes because you usually lean the needle a few clicks on the FAI mix. Most larger engines will tolerate FAI fuel OK. I've got a little ST G.34 that is a screamer with a no-nitro 75(meth)/25(oil) FAI mix.

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