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HomeRC & PowerAircraftHelicopterEngines Plugs Mufflers Fuel › help with a Webra 55-p5 AAR with matching muffler
03-31-2009 01:20 AM  9 years agoPost 1
raynman

rrKey Veteran

Lyall Bay - Wgtn - N.Z

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Any ideas of a starting point to tune this engine!
I have given it a go, but am having trouble

It seems I get alot of power from it BUT Its way too hot when I touch the crankcase - and vice versa!

I dont have the manual or seem to track one down - If anyone knows of a starting point with this engine to tune - your help will be appreciated.

Cheers

p.s It runs in my X50 RJX using 10% cool power - 9CHp T.X

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04-02-2009 10:32 AM  9 years agoPost 2
nikpepa

rrNovice

patras greece

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yes please i also have the same engine with the same problems.anyone help please!!!

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04-02-2009 11:06 AM  9 years agoPost 3
Ghia

rrApprentice

Abq, NM

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hmm I have owned a 52aar silver top and black top for a few years...

1st read Stephan chen of cyberheli here on RR, he did a excellent webra tuning post a few years ago.

http://www.runryder.com/t28837p1/?h...ht=webra+tuning

and all i can add is that model airplane/heli fuel doesnt have enough oil to keep these eng cool. Use 23% oil Jet-A fuel for model turbines.

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