Leo engine - RC Groups
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Dec 19, 2010, 09:38 AM
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Leo engine

I'm building a LA 40 racer[the plane is a world models not a Hobbyking] and from Hobbyking a LEO 46 engine does anyone know anything about this engine.It has good reviews on there web page but I would like to know if anyone here has used one and how you like it.
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Dec 23, 2010, 08:01 AM
Registered User
Well I guess no one know anything about a Leo engine .I guess i'll findout when i get it on the plane thanks anyway.
Dec 23, 2010, 08:56 PM
Gary James
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Just FYI, if you are building your LA Racer with the intent of racing it in Club 40, you might be out of luck. Although it is not an official AMA event, the RCPRO rules specify that the required engine is a Thunder Tiger 40 Pro. Of course if you are not intending to race it, then anything goes. I LOVE my LA Racer, powered with a OS 46FX. It's my primary sport plane. Have fun!
Dec 24, 2010, 06:45 PM
Registered User
I'm not going to race it just have a lot of fun with it. No pylon raceing a around here in east texas.One question what makes the differants of name engine a 46 pro is a 46 pro No matter what name is on it. Is a clone engine faster or slower then a name brand engine.{ NOT try to start trouble just don't understand.}
Jan 19, 2011, 06:24 PM
Registered User
I'd pass on the Leo and just put a .50 in there.The Leo is ok but the carb is kinda crap.A friend used to have one.
Mar 03, 2011, 08:54 PM
Registered User
Well i flew the racer today with the Leo engine on it . The plane is vary fast a little more then i like I'm still in the beginners stage but i did love the plane and as for the engine had no trouble getting it set ran just fine .One of the club members flew the plane and said that i had a great setup here and if this fly like it it good. so give the Leo engine a try.
Mar 25, 2011, 03:32 PM
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hmeijdam's Avatar
I use the LEO .46 on my trainer and it gives plenty of power. The only thing I did is wrapping some thin thread besides the rubber gasket of the stationary needle (this pushes the rubber ring outward), because the needle would not hold it's idle setting (too little friction of the rubber gasket ring). Only after that tweak I was able to get a smooth pickup from idle and a better mid-range performance.
Apr 06, 2011, 10:01 AM
Registered User
Thanks hmeijdam so far i haven't had that problem but if it starts looseing it's setting then i'll give that a try.
Mar 14, 2017, 04:37 AM
Entropy is happening!
Jim.Thompson's Avatar
I hope this is not too late to bump this thread. However, I have a new Leo engine that has two capacity markings on it. On one side is says .46 while on the other, it is stamped .40 .
How do I determine which is right? Is there a simply way to determine which one it is without stripping and measuring it up?

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