Aces High Bulletin Board
General Forums => Aircraft and Vehicles => Topic started by: Race on November 02, 2008, 04:41:31 PM
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Gents,
Was hoping someone could tell me the cylinder spacing of a Merlin engine typically found in the Spitfire Mk IX? I am planning a scale project and dont seem to be able to find any specifications for it.
Thanks,
Race
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I don't know the spacing, but you should specify if you mean Merlin 61, Merlin 63, Merlin 66 or Merlin 70. All of those engines were used in Spitfire Mk IXs. The Merlin 66 was the most common, but a lot of people seem to think of the "real" Spitfire Mk IX as being the Spitfire F.Mk IX with the Merlin 61 like we have in AH.
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Karnak,
Any series is exceptable as long as we know which one perhaps even specifications for the Mk XVI would be great.
Thanks,
Race
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Shouldn't be to hard to figure out from some drawings. The bore is a known, so a 'ruler' can be made and then used to measure the distance.
(http://www.enginehistory.org/TM/V6N1ICMerlin.jpg)
(http://www.spitfire.dk/GenemskaaretMerlin.jpg)
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Ask?
http://www.enginehistory.org/
http://www.enginehistory.org/model_engines.htm
http://www.enginehistory.org/merlin_xx.htm
Barry Hares seems to have built a scale Merlin.
-C+
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That engine is insane and a feat of craftsmanship. Judging by the hours he spent I would say he could have bought 3-4 of the real thing at normal shop rates.
It sounds great too!
Milo thanks for the diagrams. They help in a few ways!
Race
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Race, I forgot about this Merlin, a 1/4 scale one.
http://dynamotive.netfirms.com/merlin/
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Pretty sure there is a clip on youtube of one running.
ahh..here:
http://www.youtube.com/watch?v=0xe1LL1IC7Y
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Here's a German one as well
http://www.youtube.com/watch?v=mutb7KgA9NM&feature=related
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Ask?
http://www.enginehistory.org/
http://www.enginehistory.org/model_engines.htm
http://www.enginehistory.org/merlin_xx.htm
Barry Hares seems to have built a scale Merlin.
-C+
Wow really cool Charge talk about a piece of art... :aok
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Wow really cool Charge talk about a piece of art... :aok
Check out the R-R Eagle, if you want to see a piece of workmanship art.
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48 spark plugs? Or is that direct injection on the model Eagle?
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Not sure about the cylinder spacing of the Merlin, but the bore was 6 inches and the stroke 5.4 inches. There was no variation on this for any Merlin variant.
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I believe you transposed those numbers....my specs show a bore of 5.4" and stroke of 6".
Ryan
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You are right Race, my bad.
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(http://i45.photobucket.com/albums/f80/wurzeluk/DUXFORDAIRSHOW041.jpg)
(http://i45.photobucket.com/albums/f80/wurzeluk/DUXFORDAIRSHOW043.jpg)
Couple of pics of Merlin/Griffon from Duxford this year, dunno if this will help in anyway.
<S>
Wurzel