a possible solution for overheating & low speed spitfire/hurricane in last Beta patch

[pstyle]

Originally Posted by ATAG_Dutch

'Open Cowling FULL before start engine and Do not close it!'
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OK, So I've decided to test this little suggestion from Thomas Voss of Desastersoft:

I flew a spitfire 2a, with 50% fuel.
I've carried out testing at three altitudes >250ft, 5,000ft and 10,000ft.
I tested the airspeed at 2400, 2600 and 2800 RPM at each altitude.
Boost pressure was ALWAYS adjusted to read +5 in each case.
All tests were carried out with 100% open radiator
All speeds are indicated, at straight and level flight.
The ONLY variable was this - one test 1 I opened the radiator before starting the engine. In test 2 I waited until I was nearly airborne before opening the radiator.

SPEED test results:

http://postimage.org/image/mqaksad1v/

For me, there is NO obvious speed improvement resulting from opening the radio before engine start in the 2a.