Re: FW 190 D-9 Top Speed
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).
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