Originally Posted by brokenenglish
Colin, I think the only Mills with the parallel fins is the very first one. The 1.3 Mk I of 1946.
And Reggie, you have your photo titles mixed. The repro Bambi is the engine with the red head. The photo you've titled Bambi is the Banks/VA half-size Frog 50.
I'm no Mills expert so i could be wrong but the crankcase ( or block) doesn't look like the one on a friends mark 1 it looks more like my mark 2