I would definitely not use micro servos on a plane with a 46 sized engine. You could use micros on the throttle, or to operate a bomb drop. Plastic gear micros can strip pretty easily. Even if they dont strip in flight, if you accidentally bumb em' on the ground the gears may be damaged enough to cause them to fail. Just get some standard sized servos.

Thats what I figured when I saw them. Thanks for the advise. Looks like I got a couple of reasons to build one of those park flyers now!

i use hs 645 mg in all mine but for a small plane like you say the hs 525 mg bb will give you 55 oz torque and metal gears and a good price and a great product