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gibbon

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Posts posted by gibbon

  1. Hi,

    Having picked up my Portal Tek brakes at the weekend,(thanks Jen :D ),i need some wheel studs,anyone got any ideas where to source some? Land Rover ones wont fit as the hubs are threaded.Also any info on wheel back spacing would be most appreciated as would some pics of the kit installed.Im sure i read somwhere that some rims get quite close to the calipers.I would prefer to keep the track width as close to standard as possible.Tyres are at present 35x10.50x16 simex.It doesnt look like rocket science but every bit of info helps. ;)

    Thanks

    Pete

    Hi,

    The rims do run quite close to the calipers! But any LR rim should suffice with an offset to your suit own taste. These pics help at all?

    post-9107-0-64226600-1300743424_thumb.jpg

    post-9107-0-78676600-1300743448_thumb.jpg

    post-9107-0-09720700-1300743461_thumb.jpg

  2. Tuesday arrives, new starter motor does not. Spends the day recovering toolbox contents from undergrowth in garden. Very impressed with how far I had flung my half-inch ratchet.

    :rofl: very very funny, you'd make a lemming proud, maybe you'd be safer with one of these though.....

    :lol:

  3. Give protection and performance a ring :)

    Cheers, sorted, called Dan @ Protection and Performance, nice knowledgeable chap :rolleyes:

    Blueband 48mm x 3.2mm = 3.56 kg/lm (roughly £6.50/lm)

    CDS: 50.8mm x 12 gage = 3.141 kg/lm (roughly £9/lm)

    CDS: 38mm = 2.309 kg/lm (roughly £9/lm)

    T45 50mm x 14 gage = 2.44 kg/lm (roughly £21/lm or £14/lm for a german equivalent all certed up)

    Jobs a good 'un then! :lol:

  4. Steel weighs give or take 7850kg per cubic metre. Now go get your "O" level (GCSE?) maths books out and work out the volume per metre for each tube. :)

    Oh, and show all your working too... :P

    What? You want an example to follow? OK, so here goes:

    Blueband - 48 x 3.2

    Using A = pi x r2where r = D/2

    A = pi x (242 - (24 - 3.2)2 ) = 450mm2.

    For a metre length the volume of material = A x 1000mm = 450,000mm3.

    Steel density = 7,850kg/m3 and 1m3 = 1,000,000,000mm3 = 109mm3

    So, the mass of the tube per metre = 7,850 x 450,000 / 109 = 3.53kg/m.

    Voila!

    Cheers!

    My calcs get it as 3.56 kg/m for blueband, must be a rounding error...... :o

    Any ideas on the equivalent tube section for a T45 main hoop?

  5. Hi,

    I've tried the search feature but couldnt find what I was after so here goes......

    Does anyone know the weight per metre of rollcage tubing in the following ingredients:

    Blueband: 48x3.2mm

    CDS Clubman 500: 50.8 mmx 2.64mm & 44.45mm CDS

    T45: the equivalent of the above, not sure what diameter/wall thickness you would use for a main hoop (!)

    Thanks! :D

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