One of my friends in Allbuquerque has a Tiger Cat that size...We flew it with G62s first, then changed to 445 twins..He hasn't flown it yet with the twins, but I think he has 24-10 Zingers on it now...The G62s ran 22-10 Zingers, flew it well, and his was around 60 lbs..He changed it to the latest version that was tested by the Air Force, so his was painted silver..Changing to the last version involved making the rudder higher, maybe something else..We used CM6 spark plugs and completely cowled the engines with nothing showing except the muffler pipes at the bottom..It looks and sounds awesome in the air and handles well...He's a retired fighter pilot, hence the Air Force version...The original disappeared somewhere and has not been found...I have some photos around here somewhere....No scanner, can't post pictures...
It would swing a 3 blade, but not sure what size...Prop it for at least 8000 rpm in the air, it will be a TIGER [8D]