With proper performing engines the max climb rate of the Dora-9 was 22.5 m/s at SonderNotleistung m. MW50 (2,100 PS @ 3,250 RPM), and at SL, the a/c in the test on Mike's site suffered from a faulty batch of engines and gear issues, something which is noted in the documents.
Climb rate without ETC-504 rack, 22.5 m/s:
Climb rate with ETC-504 rack, 21 m/s:
Climb rate without ETC-504 rack, 22.5 m/s:
![190da8ta154climb.jpg](/forum/proxy.php?image=http%3A%2F%2Fimg104.imageshack.us%2Fimg104%2F540%2F190da8ta154climb.jpg&hash=e1919eb97aa8418c889606105b5c6f04)
Climb rate with ETC-504 rack, 21 m/s:
![d9climb.jpg](/forum/proxy.php?image=http%3A%2F%2Fimg94.imageshack.us%2Fimg94%2F2062%2Fd9climb.jpg&hash=89a5099ea253da0fdc70059e26bc5697)
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