swampyankee
Chief Master Sergeant
- 3,986
- Jun 25, 2013
Just what it says in the title: what was the demonstrated flight performance of the various Bf109T sub-variants.
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All I have is some old numbers by William Green for the T-2.
If you want them I can put them in a later post.
Ok, here it goes.
Power plant: One Daimler Benz DB601N 12 Cylinder inverted-vee liquid cooled engine rated at 1200hp for take-off and 1270hp (for one minute) at 16,400ft.
Performance: (at emergency power in parentheses)
maximum speed at 6,173lbs, 295 (304) mph at sea level,
307 (317)mph at 3,280ft, 320 (328) mph at 6,560ft.,
332 (339)mph at 9,840ft., 345 (352) mph at 13,120ft.,
354 mph at 16,400ft., 357mph at 19,685ft:
maximum cruising speed, 275mph at sea level,
289 mph at 3,280ft., 303 mph at 6,560 ft.,
317 mph at 9,840ft., 330 mph at 13,120ft
343 mph at 16,400ft.,
maximum range with 66 Imp. gal. drop tank,
568 mls at 199 mph at sea level, 460 mls at 220 mph at 16,400ft
454 mls at 283 mph at 29,530 ft.
Initial climb rate at 6,173lbs, 3,346ft./min.;
time to 9,840ft.. 3 min., to 19,685 ft., 6.4 min.,
to 26,250 ft., 10 min. Service ceiling 34,450 ft.
From page 550 of "The Warplanes of the Third Reich" by William Green to the best of my typing ability![]()
The T-2 was actually like an E-7/N + the extended wing panels.
My take on German performance figures is that this is the best you would get, so take off 5% for the average performing plane and 10% for the worst performing one. Don't forget that the Soviets tested a Bf 109F-1 and only got 550 kmh or 341 mph out of it at 15000 feet. So take off 12-15 mph for catapult spools and an arrestor hook as per the (Sea) Hurricane and Spitfire/Seafire. If you go through Kurfurst thoroughly you should find things like number of DB 601N's in service and production tolerances allowed on performance which was + or - 5%. So a Bf 109F-1/2 would do 342 to 382 mph: Brits, 362 mph; Commies, 342 mph; Nazi's, 382 mph.Ok, here it goes.
Power plant: One Daimler Benz DB601N 12 Cylinder inverted-vee liquid cooled engine rated at 1200hp for take-off and 1270hp (for one minute) at 16,400ft.
Performance: (at emergency power in parentheses)
maximum speed at 6,173lbs, 295 (304) mph at sea level,
307 (317)mph at 3,280ft, 320 (328) mph at 6,560ft.,
332 (339)mph at 9,840ft., 345 (352) mph at 13,120ft.,
354 mph at 16,400ft., 357mph at 19,685ft:
maximum cruising speed, 275mph at sea level,
289 mph at 3,280ft., 303 mph at 6,560 ft.,
317 mph at 9,840ft., 330 mph at 13,120ft
343 mph at 16,400ft.,
maximum range with 66 Imp. gal. drop tank,
568 mls at 199 mph at sea level, 460 mls at 220 mph at 16,400ft
454 mls at 283 mph at 29,530 ft.
Initial climb rate at 6,173lbs, 3,346ft./min.;
time to 9,840ft.. 3 min., to 19,685 ft., 6.4 min.,
to 26,250 ft., 10 min. Service ceiling 34,450 ft.
From page 550 of "The Warplanes of the Third Reich" by William Green to the best of my typing ability![]()
AFAIR the soviet-tested 109F had a faulty supercharger not providing sufficient boost at alt[/QUOTE
So the test pilot extrapolated the figures for higher altitudes. So faulty supercharger, or maybe something else, like it was captured in the Kuban and had been de-rated or had a tropical dust filter or what?
If its in the Kuban then it should be a /Trop being used there. So had the Germans de-rated the engine, tropicalised it, or what?AFAIR the soviet-tested 109F had a faulty supercharger not providing sufficient boost at alt