Propeller Production in Japan

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elbmc1969

Senior Airman
501
346
Feb 16, 2019
Perhaps this should go in Stories, since it's a first-person account, but the information on the progression of Japanese propellers from fixed-pitch to variable pitch to constants speed seemed too valuable. The specific foreign licenses are interesting, especially using a Ratier design fairly late in the war!

 
Perhaps this should go in Stories, since it's a first-person account, but the information on the progression of Japanese propellers from fixed-pitch to variable pitch to constants speed seemed too valuable. The specific foreign licenses are interesting, especially using a Ratier design fairly late in the war!

Hi
'Japanese Aero-Engines, 1910-1945' by Goodwin and Starkings, has the following reference propellers:
Image_20230202_0001.jpg

Image_20230202_0002.jpg

From this it appears that the Ki-84 was equipped with Ratier type propellers, which were a four bladed CS propeller.

Mike
 
From this it appears that the Ki-84 was equipped with Ratier type propellers, which were a four bladed CS propeller.
Yep. This rather video is really slow in places, but has interesting information about the significant limits of the Ratier prop on the Ki-84. It also digs out the problems with the so-called "flight test" performance figures for the Ki-84. (I found the link here in a discussion of Greg's videos on the Ki-84.
View: https://www.youtube.com/watch?v=L12PNyii7hw
 

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