This Phantom is a Yellow Aircraft kit which has polyester fuselage and glassed cloth wings tails and canards. Built by Adam in 2021. Has six JR servos and was painted using Tamiya paint. It uses an OS91 DF engine with a Dynamax fan and a Weston UK mini twin outlet pipe. Irvine straight fuel and no nitro added. Spring air retracts for undercarriage. Adam uses a Spektrum DX18 for guidance.
https://www.youtube.com/watch?v=w8efzLkPVhk
Yes definitely cheaper than the Turbine engine... and easy to maintain... sometimes maintenance of a Turbine engine is a nightmare..