Hi rcmigpilot
Yes, the PST Panther will fly fine with a Ram 750. A number of years ago I had an opportunity to fly a Ziroli Panther which in size is similar to the PST version. The Ziroli was powered by a 750 detuned to about 19 lbs of thrust. The aircraft flew very nicely. There is ample room in the interior for engines of 12 - 28 lbs however we would suggest limiting the thrust to 20 lbs max.
Kit production continues
Dean Wichmann
www.helijet.ca