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Thread: routing the slot

  1. #31
    Join Date
    Jun 2002
    Location
    St Charles, Illinois, USA
    Posts
    2,319
    The braid recess(shelf) has to be determined by the roll of braid thickness AND width that you use. It is always best to do THAT part in the assembly. Track banking may require a slice of the arc pie to be removed. This also means that the slot arc could be altered . Bondo can help cure any number of ills. 3/16" braid uses a 5/8" bit; Heavy duty 9/32" braid fits better with a 3/4" cut....What is advertized as 1/4" braid can vary significanly. Have it IN HAND and caliper measured before making excess sawdust. The 1/8" guide slot standard is 1/4"min to 5/16" in 1/2" material. Cut much deeper weakens the material.

    When routing for magnetic 1/32 cars try to route the braid recess to FLUSH to the painted surface - and prime/seal the shelf to make for better contact glue bonding of the braid. Plastic cars use a shallow flag and work best when the wood slot supports the flag as high as possible in the slot. Commercial grade flags are somewhat deeper and can better utilize a recessed braid (-0.005 - 0.030"....)
    Last edited by Ramcatlarry; 05-11-2015 at 03:00 PM.
    l.d. kelley, M.A. Ramcatlarry@aol.com

    60 year pin 1959-2019
    Racing slot cars in America
    USRA 2019 member
    IRRA, ISRA/USA, Hardbodies 1/24 &
    1/32 - Great Lakes Slot Car Club
    retired raceway owner 1992-2007
    Omni/Cidex service center

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