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Author Topic: Blister at wing root  (Read 6412 times)
ranie
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« on: May 27, 2009, 01:43:34 PM »

I have notised in some photograps a small blister situated at the wing root. What was the purpose of this blister? Did all Spitfire Mk IX have it?

ranie
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Edgar Brooks
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« Reply #1 on: May 27, 2009, 07:03:51 PM »

The usual answer is coolant pipes, but, looking at photos of a nearly-nude XVI (OK, it's a rebuild, but, as far as I know, Clive Denney doesn't have a reputation for being cavalier with his work,) there are a couple of elbows, attached to the fuselage, which appear to carry electrical wiring, possibly up to the back of some of the instruments.  As the elbows protrude, somewhat, I'd say that they had to bulge the root fairing to clear them.  It might be pure coincidence, but, January, 1943 saw the introduction of  mod 842 "Reposition electrical cables at wingroots of F.IX and P.R.XI aircraft."
Edgar
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« Reply #2 on: May 27, 2009, 09:36:13 PM »

Not all Mk. IXs had them. In particular, the early production Mk. IXCs most certainly didn't, while late Mk. IXE did. However, I'm not sure when the change was introduced.

Hope this helps,
/Martin
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ranie
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« Reply #3 on: May 29, 2009, 08:03:47 AM »

Thank You very much.

ranie
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Antoni
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« Reply #4 on: July 26, 2009, 04:24:16 PM »

Detail of LF.Mk IXe TE565 NN-N - Starboard side.

Captioned detail of bulge over the oil pipes.
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Antoni
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« Reply #5 on: July 26, 2009, 04:28:58 PM »

In front of the the bulge is a cover.
« Last Edit: July 26, 2009, 04:34:45 PM by Antoni » Logged
Antoni
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« Reply #6 on: July 26, 2009, 04:31:11 PM »

....
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Antoni
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« Reply #7 on: July 26, 2009, 04:33:56 PM »

Caption syas on this side it was also used to access the gun camera.
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Antoni
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« Reply #8 on: July 26, 2009, 04:36:59 PM »

On the port side the bulge is larger.
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Antoni
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« Reply #9 on: July 26, 2009, 04:39:56 PM »

Again there is a cover in front.
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Antoni
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« Reply #10 on: July 26, 2009, 04:41:39 PM »

...
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Editor
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« Reply #11 on: July 26, 2009, 09:02:10 PM »

In front of the the bulge is a cover.
The rectangular cover is an access panel for the gun camera.
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