RE: BVM F16
Having just tested a JetCat P60 I feel this would be the perfect engine for the F16, powerful yet very compact and fuel efficient. similarly a PST 600r (R version) or the forthcoming Wren Supersport would be excellent choices. A year or two ago I purchased the BVM turbine conversion kit for the F16 and completed its installation. It was going to be an RCJI feature, shame it had to be dropped because the F16s I have seen flying perform extremely well.
Regards,
David Gladwin.