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Thread: What size box section do you use for steel highseats

  1. #1

    What size box section do you use for steel highseats

    Hi all, i have been making wooden high seats for some time now, and having just purchased an old oil cooled pickhill arc welder i fancy making some steel seats, i have not used a welder for many years but in the past i did a lot of welding when i fitted out a steel dive boat, so today i did a few practice welds on some square box section and the results were acceptable, my question is what size and thickness square tube do you use for a strong double high seat, thanking you in advance, Geoff

  2. #2
    Send a PM to, NDTman feller he makes em

    Quote Originally Posted by geoffrey View Post
    Hi all, i have been making wooden high seats for some time now, and having just purchased an old oil cooled pickhill arc welder i fancy making some steel seats, i have not used a welder for many years but in the past i did a lot of welding when i fitted out a steel dive boat, so today i did a few practice welds on some square box section and the results were acceptable, my question is what size and thickness square tube do you use for a strong double high seat, thanking you in advance, Geoff

  3. #3
    25mm square and 3mm wall
    AT THE AGE OF 50 I DECIDED I WAS GOING TO GROW OLD F***ING DISGRACEFULLY

  4. #4
    you could use 1mm 10mmx10mm if you used enough of it!

    depends entirely on your design I would have thought

  5. #5
    You would struggle to weld 1mm thick box section with a stick welder it will just blow thru

  6. #6
    Quote Originally Posted by sikadog View Post
    25mm square and 3mm wall
    yes. Ive used this. Its the same stuff they use for market stalls.



    Just double the widths for a double
    Last edited by pete evans; 30-10-2014 at 17:29. Reason: added photo

  7. #7
    As said above 25mm x 3mm box section would be ample. Quite a good example from pete evans. Only thing I would do different is make the bit where the rifle will rest when in the shooting position slightly further out.

  8. #8
    Ius of curiosity Pete how heavy is that highseat? Light enough for one person to carry/drag into position and mount?

  9. #9
    I just made my first one from 30mm box, and although It is a bit weighty at 4.8m high and one piece, I can still just about erect it on my own. The plus side of being heavy however is that it is extremely stable. I made my gun rail 1metre square and used an old plastic office chair mounted on a thick piece of pine, and even made a shelf behind the seat to store a bag, flask etc and used foam pipe insulation all around the rail.
    if anyone is interested in the design I will happily post pics and dimensions etc.
    FYI it took me about 3 hours and I used 2 lengths of 30mm box (ladder and seat frame) 1/2 length of 20mm box (gun rail) 2 metres of 12mm round bar (ladder to gun rail support struts) and 1 metre of 50mm x 4mm flat bent into a curve for the tree rest. Finally a 50mm webbed ratchet strap to strap the seat to the tree (I would not use a cheap ratchet strap as I really don't want to end up on the ground followed by a loaded rifle !!

  10. #10
    A while back I made a couple of free standing two person seats from 50mm square box - think it was 4mm or so in the wall, These seats are very heavy - they come apart into two back legs, a ladder front leg and the seat part - the legs slot in to tube stubs on the seat. I had them galvanised and there was quarter of a ton in the two of them over the weighbridge so they are a real bugger to move - but the upside of this is that when seated they are really stable - they don't move a millimetre.

    I think as above 30mm might be a better compromise. I have sat in a few made up from 25mm box and to be honest wasn't that happy.

    I guess like many things its a compromise - also I suggest you should ask yourself how often you are likely to move them - does the weight really matter?

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