Mustang Replica at Sywell

I visited Sywell for the ‘Pistons & Props’ day on Sunday26th – and spotted this machine having an engine run.

I assume it is a scale replica of a P-51 Mustang – although I had never heard anything about it before…..

What scale is it ?? – what is the engine??

Has it flown yet ??

Any details gratefully received.

Cheers

Ken