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Thread: Brakes

  1. #1
    Join Date
    Mar 2016
    Posts
    3

    Brakes

    Afternoon I have gotten into slot car racing and I have noticed some guys are able to really roll after the power is shut off how is this achieved any info would be great thanks

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  2. #2
    Join Date
    Jun 2002
    Location
    St Charles, Illinois, USA
    Posts
    2,330
    Several factors are variables.
    1) ANY FRICTION in the wheels, axles, motor, etc.
    2) Each motor can have different drag characteristics. Some have magnets that have enough strength to lock up the rear wheels.
    3)Gearing. Some cars geared differently, brake differently.
    4) Controller adjustments. Many controllers have a knob to reduce the motor drag braking effect.
    5) YOU. When the power is shut off at the track call or end of heat, Keep the trigger pulled or the car will slow quicker.
    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

  3. #3
    Join Date
    Mar 2016
    Posts
    3
    Ok thank you I have been running with the red wire in hooked from the track what do you think about clearance on the rear oil lites possible open the hole from .1250(1/8) to .1285?

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  4. #4
    Join Date
    Apr 2006
    Location
    Denton, Texas
    Posts
    198
    Don't open up the oillites; doing so would induce "slop" and reduce efficiency of tranferring power from the motor to the track.
    Let me know if you want to know my real name... it's not "Tex". LOL

  5. #5
    Join Date
    Mar 2016
    Posts
    3
    Ok thank you was an idea just wanted to reduce friction I'm hopes of high speeds

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  6. #6
    Join Date
    Jun 2002
    Location
    St Charles, Illinois, USA
    Posts
    2,330
    Snug bushings can have minimum friction. With the axle and the bushings alone, CAN the axle slide under its own weight? If not then see how the axle sags to one direction of the other in each bushing and tweek each one until it does. LOOSE bushings will cause rear wheel hop - and of course, they need to be glued or soldered in the uprights..
    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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