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Thread: Atlas axle weight

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    Bodger

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    Atlas axle weight

    Hi,
    Does anyone know weight of a fully built up wide full floating axle (incl diff, halfshafts, hubs, brakes etc)?
    I know there's a few variables - hubs, brakes etc, but I'm after an approximate figure.
    Thanks
    Phil

  2. #2
    Racer Decade Plus User rallyrob's Avatar

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    Re: Atlas axle weight

    Quote Originally Posted by 360phil View Post
    Hi,
    Does anyone know weight of a fully built up wide full floating axle (incl diff, halfshafts, hubs, brakes etc)?
    I know there's a few variables - hubs, brakes etc, but I'm after an approximate figure.
    Thanks
    Phil
    I could have a complete guess at about 40 maybe 45kilos. But it would be that, a complete guess. It maybe more it maybe less. Think I'm going to say more actually.
    Last edited by rallyrob; 01-03-2021 at 16:51.

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    Bodger

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    Re: Atlas axle weight

    Hi Rob, that's probably the weight of my two little grandchildren combined, and I certainly couldn't carry an atlas around like I can carry them.

    Today I weighed the axle in place on the car. All springs/dampers removed, axle still connected to 4 links and Watts, and had brakes/discs etc (no wheels) still on it. It weighed in at 95.7kg.

    The reason I'm doing this is that we are removing the leaf springs and just having the coilovers. We've previously cornerweighted the car, but I wanted to know what the approximate sprung weight is now, so I needed to subtract the axle and wheels.

    ps. If you anyone fancies cornerweighting their car, but doesn't fancy paying out best part of a thousand pounds, you can buy 4 parcel scales (300kg max) from China on Ebay - cost £120 delivered for all 4.

    pps love your Mk1, do you compete with it (ours is a Mk1 as well).

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    Re: Atlas axle weight

    Quote Originally Posted by 360phil View Post
    wheels.

    ps. If you anyone fancies cornerweighting their car, but doesn't fancy paying out best part of a thousand pounds, you can buy 4 parcel scales (300kg max) from China on Ebay - cost £120 delivered for all 4.
    i have a proper set of scales now, but once bought 8 sets of bathroom scales for £2 each, cut a scaffold plank up into 4 bits 2 foot long, jacking one end of the car up at a time and placing a pair of scales next to each other with a plank across the top of them under each wheel i was able to corner weight my car all for the cost of £16, now thats cheap!

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    Racer Decade Plus User rallyrob's Avatar

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    Re: Atlas axle weight

    Quote Originally Posted by 360phil View Post
    pps love your Mk1, do you compete with it (ours is a Mk1 as well).
    Sadly not, and it's in rather a state at the moment.


    Well, I did say it was a complete guess with regards to the axle weight.

    I must admit as soon as I wrote it I thought that's way off what it really weighs.

    I can pick up my Atlas case but it's bloody heavy, it's completely bare though, no diff, hubs, brakes, shafts, anything.

    I've got a pair of 16 tooth and 18 tooth shafts. It's surprising how much heavier the 18 tooth shafts are than the 16 tooth shafts, I'd say the 18 tooth shafts are probably about 15 maybe even 20 kilo on their own as it is.

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    Tyre Kicker

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    Re: Atlas axle weight

    I have semifloting atlas 18T axle with 4wd cosworth brake disks. Weight is close 100kg since it was horrible to lift to in place with bare hands under the car.

    https://gyazo.com/b11d6ddcab76678b9d8f4183e545e651
    https://gyazo.com/e105dc6c70ce2c5996e256942736e8dd
    https://gyazo.com/75dc2c7ef573b34c89cf879d554f8c8d

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    Spanner Monkey

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    Re: Atlas axle weight

    a 52inch fully floating atlas with 6.25mm tube weighs in at between 115 and 120lbs fully dressed

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    Re: Atlas axle weight

    Quote Originally Posted by mick32 View Post
    a 52inch fully floating atlas with 6.25mm tube weighs in at between 115 and 120lbs fully dressed
    Kilos Mick?

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    Spanner Monkey

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    Re: Atlas axle weight

    opps thats what ment

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    Bodger

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    Re: Atlas axle weight

    Remember reading somewhere that Russell Brooks weighed his axle off the rally car and it was around 300lb. It explained why the billies overheated on the longer stages.

  11. #11
    Bodger

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    Re: Atlas axle weight

    Quote Originally Posted by 360phil View Post
    Hi,
    Does anyone know weight of a fully built up wide full floating axle (incl diff, halfshafts, hubs, brakes etc)?
    I know there's a few variables - hubs, brakes etc, but I'm after an approximate figure.
    Thanks
    Phil
    It really depends on the spec of the axle, thickness of tubes, shafts etc, I have a lightweight version sat in my garage but not sure how to weigh it, I could weigh myself on bathroom scales then do the same holding the axle.

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