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Thread: would i be right to assume the omega '53 movement ring is made from Iron?

  1. #21

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    I mis-spelled it, too, and to take the discussion to a tangential point, neither English nor French have a word for a portion/slice of a sphere. I think "calotte" might be the French word for "skull cap," or so I was told in a completely different context.


    Quote Originally Posted by dave View Post
    calotte = cover
    Bill in Sacramento

  2. #22
    Super Moderator dave's Avatar
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    is there anything suitable available in tube rather than bar?

  3. #23
    Member isologue's Avatar
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    Quote Originally Posted by Bill in Sacramento View Post
    I mis-spelled it, too, and to take the discussion to a tangential point, neither English nor French have a word for a portion/slice of a sphere.
    Frustum? (Cone or pyramid with sliced off top section). I've seen this word used in us mil specs before.

    Regards,

    Martin (isologue)

  4. #24
    Senior Member foilguy's Avatar
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    Now found a place that sells it for 4 a Kilo in 1 3/8 (35mm) dia. working out @ Roughly 1/2' or 150mm. Only I need to order a minimum of 50 worth. or 2 meters. think that might make a few Omega '53 movement rings. Think, i'll order some Brass and other nice steels to get there. Can't imagine I'll be making any large motors.

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