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- - FW 190 D-9 Top Speed (http://forum.12oclockhigh.net/showthread.php?t=6941)

Re: FW 190 D-9 Top Speed

Quote:

Originally Posted by HARD_Sarge (Post 33706)

Hi Guys
looking for some info on the top speed of this plane, most books are showing it with a top speed of 426 MPH, but have seen some reports saying it could hit 440

would that be a sub model of the basic plane ?

also seeing some of the British Test reports, that were done on it, and most of them were haveing trouble hitting 400 with the planes they had (but I think most of these may have to be taken with a grain of salt, as I believe they say one blew a engine and the other engine also ended up with some troubles)

well to the luftwaffe aces and such it was well" the best plane by kurt tank.built. yet why didnt the aces use it more like Rall. BAR /ETC.JG 52 sqn J Weies was persmistical.when he was to fly it in action.didnt he get killed by spits. flying it.
to me my name sake it was a fine plane nice lines and such i liked the ta 152 the best.
Gary

Re: FW 190 D-9 Top Speed

Quote:

Originally Posted by yogybär (Post 52888)

For Sondernotleistung (MW50) of D-9 Jumo 213A I find 702km/h = 436mph @ 5,5km alt.
For Sondernotleistung (MW50) of Ta152H-0 Jumo 213E I find 742km/h = 461mph @9,5km alt.

The Ta152H was a Höhenjäger (for high altitude), so it was NOT designed for low altitudes (ground level).

thanks for your imput.
Gary

Re: FW 190 D-9 Top Speed

Because that is how every supercharged piston-engined fighter works: they are all fastest at the full throttle height of their engine. The engine produces maximum power as long as the maximum boost can be maintained: as height increases drag decreases (lower pressure) and the aircraft goes faster, until the supercharger can no longer maintain the maximum boost, power drops, and the aircraft goes slower. With a two-speed supercharger you can start the process over again, and gain speed for a while, thus presenting the familiar "saw tooth" speed profile with two different full-throttle heights.

Apologies for oversimplifying.

Restricted to a single-speed supercharger, there's no reason to expect the Dora to go significantly higher than the Anton. Hence the addition of funny additives.

Re: FW 190 D-9 Top Speed

Dora9, are you referring to Hptm. Robert "Bazi" Weiss?
AFAIK, he was killed in a big furball with a superior number of Spitfires, but that does not say anything about bad qualities of the Dora9.

Also, LW Aces were not simply allowed to choose their fav plane, they had to fly with what their units were equipped!
probably a better example of a LW top ace who was not successful in the Dora9 is Gerd Barkhorn, who did not score a single kill while flying the D9.

Heinz Bär on the other hand may have shot down two Tiffies/Tempests during Bodenplatte, but it is not entirely sure that he used a Dora9 during the assault.

Re: FW 190 D-9 Top Speed

Quote:

Originally Posted by Griffon (Post 52955)

HI. thanks yes my german his not that good. yes spits got him.
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its just as i play il2 game i cant control it at all.>IT WONT TURN"" i have no rudder just joystick. i wondered if thats how it flew. but i might be wrong.as it was developed by some ex aces the games planes.
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as for the aces yes i read in books that it had a slower roll rate than other fw 190s. but was faster and a match for the mustangs.
thanks again for info.
Gary

Re: FW 190 D-9 Top Speed

Quote:

Originally Posted by Shikhov (Post 33746)

Hello peoples!
In D.Herman's great work "Long Noise Dora" German specification indicate 704 kph=437,5 mph using MW-50 system.
Many useful inform you can find in A. Williams' site as follows:
http://www.wwiiaircraftperformance.o...190d9test.html

Regards

thanks for info.
Gary