Quote:
Originally Posted by NZtyphoon
The constant-speed propeller on N3171 made a big difference in take-off distances (225 vs 320 yards, 370 vs 490 to clear 50 ft screen) and rate of climb. N3171 was fitted with the windscreen, 3mm alloy sheet (not armour) over the fuel tank and domed canopy. Once fitted with armour and IFF the rate of climb would have gone down as would the top speed.
That aside the real problems still lie in CLOD performance below 10,000 ft using +12 lbs boost, which has not been modelled properly:
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True, and when you take into account that the first production batch had a take-off run of 420 yards, there's a reduction of almost 200 yards. Rate of climb to 20,000 fell from 11 min 18 sec to 7 min 42 sec, and max speed increased by 4 mph simply from changing the prop. And yes, there seems to be a distinct lack of 'oomf' low down.
Sometimes I get the feeling that with Spitfire's there's too much information!
It's always the centre of attention. Never seen a 93 page thread on a hurricane or 109.