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Thread: Junkers Jumo 223 aircraft engine - photo

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    Supporting Member Toolmaker51's Avatar
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    Quote Originally Posted by Altair View Post
    1936 Junkers Jumo 223 opposed piston two-stroke aircraft engine with four crankshafts, 24 cylinders, and 48 pistons.

    Fullsize image: https://s3-us-west-1.amazonaws.com/h...c_fullsize.jpg
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    Supporting Member hemmjo's Avatar
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    Ok so we can see 2 rods on each crankpin. There are two pins on each crank with the rods removed. That would be a total of 24 rods/pistons. So, there had to be 2 of these stacked together to get 48. That is just crazy!!


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