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Thread: Inspecting turbine gears in the 1940s - photo

  1. Feb 8, 2023, 07:13 PM #1
    Altair
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    Inspecting turbine gears in the 1940s - photo

    General Electric employee inspecting turbine gears, c. 1940.




    Previously:

    Inspecting massive pinion gears - photo
    Napier Deltic engine gearbox - photo
    1913 Mesta staggered tooth gear - photo
    Hoover Dam turbine - photo
    Hydroelectric turbines from the 1920s - photo

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  3. Feb 8, 2023, 07:32 PM #2
    Frank S
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    Looks like kind of a fine-tooth pitch until you realize the size of the gears.

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  4. Feb 9, 2023, 07:25 PM #3
    TrickieDickie
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    Hes gonna be there for awhile inspecting each tooth
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  5. Feb 9, 2023, 08:53 PM #4
    IntheGroove
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    Double-Crossed Helical Gear...
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  6. Feb 9, 2023, 10:14 PM #5
    dave003
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    Herringbone Gear
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  7. Feb 11, 2023, 06:25 PM #6
    IntheGroove
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    This has been me bugging for a while...
    A herringbone gear has no gap between the helices. A double-helical gear has a gap between the helices.



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