the 250 IAS is for sea level, it drops over altitude.
For example the Bf109T
Alt - 0m's
Speed IAS - 250
Alt - 1000m's
Speed IAS - 243
Alt - 2000m's
Speed IAS - 236
Alt - 3000m's
Speed IAS - 229
Alt - 4000m's
Speed IAS - 222
Alt - 5000m's
Speed IAS - 215
Alt - 6000m's
Speed IAS - 208
Alt - 7000m's
Speed IAS - 200
So merely maintaining 250kmh for a 109 climb test is actually not its best climb. Just a thought.
Last edited by 5./JG27.Farber; 05-29-2012 at 01:13 PM.
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