Scota4570, I suggest you read through this thread;
http://www.rcuniverse.com/forum/m_47...23/key_/tm.htm
I had a G-38 in mine and added 300 g in the ring just behind the spinner. I had the batteries up front.
300 g is nothing to make a big fuzz about, me thinks.
That was the version with balsa elevators and rudder.