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Old 8th January 2009, 14:22
Graham Boak Graham Boak is offline
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Re: Comparative Tests Spitfire Mk V vs. Me 109 G

If the armament added 10% to the weight, then the climb rate can be reduced by 10% to allow for this.

More thorough work would have replaced the off-the-shelf propellor/gearing with one tuned to the aircraft, or rather the requirements - though this would be unlikely to make more than a small improvement, and is not particularly relevant to the purpose of the test.

The actual value of the exercise appears obscure.
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