Mine is a 60 size SuperHots. I had a ST 61 ringed engine on it w/a 12.25 X 3.75 APC. It was a lot of fun but the bug bit me to enlarge the tail. I scabbed in enough to enlarge it by perhaps 20%. I then installed a ST 90 ringed engine with macs tuned muffer and a 14X4 Zinger prop. (I just ordered an APC 14X4 to see how well it works) It's a blast to hover and fly. Either engine/muffer combo would be plenty of power. It's the one in my avastar pic. My wife always teased me about covering every plane in red and white, so I used a gradient scheme. This is a design that never seems to die. I wish someone would take note and kit it again.

John Wells