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Forum: Tech Log

26th Sep 2012, 23:03

Replies: 75

Griffon vs Merlin rotation.

Views: 43,737

Posted By Landroger

Smilin Ed. Probably not. The Allison...

Smilin Ed.

Probably not. The Allison engines in the P38 were turbocharged, the Merlin and Griffon were supercharged ie; the supercharger was driven through a two or three speed gearbox from...

Forum: Tech Log

26th Sep 2012, 22:43

Replies: 75

Griffon vs Merlin rotation.

Views: 43,737

Posted By Landroger

27/09

From 'Not much of an engineer' it seems that it was when the Ford Motor Company began producing Merlin engines, that the 'hand builtedness' of RR engines was swept away. Intuitively the RR factory...

Forum: Tech Log

8th May 2011, 12:03

Replies: 75

Griffon vs Merlin rotation.

Views: 43,737

Posted By Landroger

27/09

As I understand it, the USA took part in the Schneider Trophy races in the early twenties - very successfully - with a seaplane powered by a Curtiss D12 'Wetsleeve Monoblock' V12 engine. The Air...

Forum: Tech Log

4th May 2011, 18:47

Replies: 75

Griffon vs Merlin rotation.

Views: 43,737

Posted By Landroger

Thanks guys.

I love this forum - not only do you usually get the answer to the most obscure questions, but a whole lot of incidental information. :ok:

I'm not a pilot and thus didn't think the issue through...

Forum: Tech Log

3rd May 2011, 23:53

Replies: 75

Griffon vs Merlin rotation.

Views: 43,737

Posted By Landroger

Griffon vs Merlin rotation.

Just watched a Youtube vid on the Military forum, of the BBMF starting up and departing for the Royal wedding flypast.

Unless I am mistaken, the Merlins on the Hurricane and - the starboard...

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