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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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| | #1 |
| “Archive” ![]() Join Date: Aug 2006 Location: Wisconsin
Posts: 4,852
| P-38F vs Spitfire IX tactial trials P-38F vs Spitfire IX tactile trials conducted by Australia
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| | #2 |
| IP/Mech THE GREAT GAZOO ![]() Join Date: Apr 2005 Location: Colorado, USA
Posts: 16,050
| Interesting.
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| | #3 |
| Senior Member Join Date: Dec 2003 Location: Canvey Island, Essex
Posts: 4,029
| I'm suprised that it was that close I would have put the P38 as considrabley quicker in all fields |
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| | #4 |
| Banned Join Date: Jun 2007 Location: Pine Mountain Lake, California
Posts: 981
| 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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| | #5 |
| Senior Member Join Date: Dec 2003 Location: Canvey Island, Essex
Posts: 4,029
| I would have thought it should be faster as its got nearly double the gee gee's. |
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| | #6 |
| Senior Member Join Date: Feb 2008
Posts: 145
| It was only a Merlin 61 spit 9. Slaterat |
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| | #7 |
| Senior Member Join Date: Jun 2006
Posts: 174
| 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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