Mosquito

I have no idea how they filmed this,
but you can almost smell the oil,
and the blow by gases!

One Merlin Engine is awesome

Two!

https://www.youtube.com/watch?v=lRVn14WegKA

this is one of 2 built in nz.

Great find Dave, she sounds great. Lookin forward to seein her in CLOD some day.