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    Re: Chain Driven FNR Hub
    #11
    Senior Member whitedragon64's Avatar
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    Oct 2008
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    Perth Australia
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    Cheers Mate
    Edge Cassette new guts .jpg
    This is it in an Edge Cassette
    Planet Assy exp.jpg

    So the mount plate to mount plate is 130mm 3.302" these can be cut to suit larger Sprockets with different mounting/adjusting setups
    The Hub Dia is 205mm 8.070"
    The sprocket and brake disc Dia is 175mm 6.889"
    And CV hub to Hub (930CV's) is 153mm 6.024" this size can increase but not decrease

    It all worked nicely on the bench so im keen as to get it set up in barracuda and test it

    It will be filled with 80-90 gear oil and sealed with viton O rings and custom made Lip Seals

    I havernt finalised the selector rod assembly yet as It may be sprung loaded in the forward direction and a cable pulls the selector into neutral then into reverse so if the shifter happend to fail it will select forward as default

    Got about 4 weeks wait to get it in the buggy , wait is going to kill me
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    Re: Chain Driven FNR Hub
    #12
    Millenium Member Deranged's Avatar
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    WOW! Awesome! i can't wait to see it in action!

    Justin
    Nowhere near the desert.
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    Re: Chain Driven FNR Hub
    #13
    Senior Member whitedragon64's Avatar
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    Just redesigning an old FNR box i built a few years ago and ran it for a while
    P1010906.JPG Its similar to the RPM box , this one here drives into a BMW diff

    The one Im working on at the moment can be used in this form ie coupled to a diff or used as a transfer case type unit .

    Also able to be Chain Driven as like the RPM's are
    It has a reduction of 1.5:1 ratio and able to run up to 65T sprocket so ratios are changed easily and cheaply by swaping sprockets , Plus using larger sprocket ,this lengthens the chain and lessens the drive chain angle all to help preserve the chain .

    so ratios up to 7.5:1 possible bit extreme (13/65 sprockets x 1.5:1 box ratio )



    I have also incorporated a Locker differential into the mix , the diff hub assembly can be removed from the case without stripping /splitting the case , so change the diff without removing the box from the car , maybe slot in a solid centre

    Flanges to std 930 CV's
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    Re: Chain Driven FNR Hub
    #14
    MBN Video Editor daaboots's Avatar
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    Amazing work as usual!!
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