Guilluame,
I believe the potential problems with the Eagle 22 of barry Hares are less severe than mine as it is to a larger scale.
My Deltic model is an opposed piston 2 stroke as the prototype but ...
I am a newcomer and apologize for my english which is not my mother tongue. I am a fan of various mechanical achievements, from the 'Big Boy' steam locomotives to the last piston aero engine ...