By: Graham Boak - 21st December 2015 at 10:51
You do see some late single-stage Merlin Mosquitos with six visible stubs, usually on Canadian production and/or trainers. Presumably the inner stubs still have five exhausts.
By: powerandpassion - 21st December 2015 at 10:37
Merry Christmas
The twin stage supercharger of later, longer Merlins moved the exhaust stacks forward, allowing ideal, efficient exhausting via six stacks. When you look at the cowling of a twin stage, there is an intake for the intercooler radiator immediately under the spinner, ie two intakes, six stacks.
So the single stage supercharged engine has one intake, five stacks. It is good to see the Mosquitos in Colney side by side to appreciate this. A great Museum.
Here is the ‘Siamese’ setup :
[ATTACH=CONFIG]242703[/ATTACH]
The Siamese is quite rare, but even rarer is the ‘Rudolph’ stealth exhaust :
[ATTACH=CONFIG]242704[/ATTACH]
By: baj - 21st December 2015 at 05:16
Rear pair are siamesed together, owing to close proximity to the wing/radiator.
As Bruce says ….the proximity to the wing had the exhaust stubs as a 2 into 1 with the stub being in a “Y” shape and providing better clearance to leading wing edge.
By: Trolly Aux - 20th December 2015 at 13:47
worth a read
By: Bruce - 20th December 2015 at 13:46
Rear pair are siamesed together, owing to close proximity to the wing/radiator.
By: Mothminor - 20th December 2015 at 13:38
Despite being in close proximity to Mosquito engines not so long ago, I hadn’t noticed that – even when photographing them! Looking back on the photos, I see what you mean.
For comparison, in the foreground of the top photo is the B.35 and the others are the FB.VI (both DH Museum). Not that it answers your question!
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December 20, 2015 at 12:53 pm