Can you guys help me. I'm looking at a O.S 46 FX. The O.S web site does'nt have it listed for sale. what can you guys tell me about it.. I'm looking at it or a K&B 61. its going to go into a home made trainer that will be @ 7 to 8 lbs. then be move to a tiger 60. I wondering how much power it has. what it compares to that is on the market now. Any help would be great.. Thanks .