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Old 05-28-2009 | 10:31 PM
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Gray Beard
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From: Hemderson, NV
Default RE: engine break in question

ORIGINAL: -pkh-

As I said, it will fly a trainer OK, but it's pretty wimpy for most 40 sized aerobatic or 3D planes.
The .40 is a bit on the short side of power, I used one on a trainer and it worked OK. On the other side of that is the .46 LA and Iused and still have a couple of them. Iused nothing but the .46 LAs on the Tower Up-Roars and any of the other fun fly planes Iwas building. They weren't all that far behind the .46 FX in the fun fly planes but fell off a bit in top speed.
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