Request Information on D4Y1, D4Y2 Top Speed

[AlfaKiloSierra]

As title. Requesting info on the two airplanes' top speeds at various altitudes, preferably in the form of a speed-altitude graph such as the one linked.

 

[Shinpachi]

A Japanese researcher introduces raw data like this -

From "D4Y3 Performance Calculation Sheet" by Aichi Aircraft dated 10th May, 1944

Source: 彗星一一型(D4Y1)・一二型(D4Y2)の性能/Judy : WW2航空機の性能:WarbirdPerformanceBlog

 

[Wurger]

 

[tomo pauk]

This is what I can offer:

 

[AlfaKiloSierra]

A Japanese researcher introduces raw data like this -

From "D4Y3 Performance Calculation Sheet" by Aichi Aircraft dated 10th May, 1944
View attachment 691657
Source: 彗星一一型(D4Y1)・一二型(D4Y2)の性能/Judy : WW2航空機の性能:WarbirdPerformanceBlog

Thank you.

 

[AlfaKiloSierra]

This is what I can offer:
View attachment 691659View attachment 691660

Thank you.