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Flight Test Data This is a section for flight test data. Any test data from any country of any era. This is mainly for reference and to answer questions about aircraft performance based of flight test data.

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Old 07-29-2007, 08:44 PM   #1
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P-38F vs Spitfire IX tactial trials

P-38F vs Spitfire IX tactile trials conducted by Australia
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File Type: pdf P-38 Tactical Tests.pdf (281.7 KB, 176 views)
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Old 07-29-2007, 09:14 PM   #2
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Interesting.
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Old 07-29-2007, 09:38 PM   #3
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I'm suprised that it was that close I would have put the P38 as considrabley
quicker in all fields
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Old 08-01-2007, 04:51 PM   #4
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I noticed the P-38 throttled back to 2800 rpm at altitude; I'm wondering why he did that. At all other altitudes, both planes were turning over at 3000 rpm.

I also noticed they used an older P-38F; I think a P-38J or L would've been faster at all altitudes.
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Old 08-02-2007, 03:02 AM   #5
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I would have thought it should be faster as its got nearly double the gee gee's.
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Old 04-05-2008, 12:46 AM   #6
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It was only a Merlin 61 spit 9.

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Old 04-12-2008, 08:26 PM   #7
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Quote:
Originally Posted by SoD Stitch View Post
I noticed the P-38 throttled back to 2800 rpm at altitude; I'm wondering why he did that. At all other altitudes, both planes were turning over at 3000 rpm.

I also noticed they used an older P-38F; I think a P-38J or L would've been faster at all altitudes.
I think it might have something to do with the overheating of the Allisons. The P-38J, after all, used the same engine (V-1710-89/91) as the P-38H but the cooling of the P-38J allowed full power of the engines.
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