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Thread: Speedmaster strut

  1. #1
    Join Date
    Dec 2010
    Location
    SI
    Posts
    1

    Default Speedmaster strut

    If anyone can help me:

    1. I need to know the inside diameter of the Speedmaster 20 and 21 strut
    so I can choose the right diameter brass tube that will have a tight fit on the strut.

    In the shop the recommendation is to use the following sizes:
    7/32" brass for Octura .130 + Teflon tubing
    1/4" brass for Octura .150 + Teflon tubing

    The thing is that is not possible to fit two different sizes of brass tubing in the same strut (at least without getting a gap between the brass tubing and strut).


    The setup will be installed in a rigger.


    2. It would be also helpful if someone could give me the dimensions A,B and C on the picture - for both struts 20 and 21 (hydro version).

    3. I plan to use a .150" + Teflon tubing or a .078" wire drive if I can get
    the right size/combination of Teflon tubing. On some struts that are not
    available anymore I was able to use the .078" (2mm) wire drive with a
    4mm OD/3.1mm ID brass tube that was lined with a 3mm OD/2.6mm Teflon tubing - a perfect fit for the 2 mm wire drive.

    4.
    Any info on the Octura Flex Hex 5mm to to .078" Motor Couplers ?
    Do they grab the wire enough or is it better to use simple couplers
    with set screws.

    Thanks.


  2. #2
    Join Date
    Nov 2008
    Location
    DE
    Posts
    2,322

    Default

    You need to get in touch with Jeff Wohlt (he is on here)...he is the "Wire Man"and will get you all set up!
    "Will race for cookies!"
    IMPBA D12
    My Gallery: https://forums.offshoreelectrics.com/album.php?u=1738

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