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Author: Subject: new builder
nightracer36

posted on 26/8/15 at 07:44 AM Reply With Quote
new builder

hi ive just joined and need some info, im just starting to build my locost, can anyone please tell me do I have to use 16swg box section or can I use slightly thicker box section. also what gauge do I need to get correct angles as in the book? many thanks. Ron.
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Vmax1974

posted on 26/8/15 at 08:01 AM Reply With Quote
Get yourself a trend digital angle gauge available from machine mart worked a treat on my tubes I used 2mm x 25mm x 25mm box for my chassis just remember the thicker the material the heavier and slower the final car will be
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joneh

posted on 26/8/15 at 08:16 AM Reply With Quote
You can use what you want, some go thinner to 1.2mm (18swg) for lighter track cars.

I'd stick with 1.6mm or 1.5mm (16swg) for the main chassis and use 2mm on suspension components, but if you already have a pile of 2mm stuff use it! It'll just weigh a few extra kilos!

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Slimy38

posted on 26/8/15 at 09:36 AM Reply With Quote
Personally I didn't aim for the angles, I cut right angle to the maximum length and then trimmed when on the car.

As mentioned, going for the metal you have available is often better than trying to get the specific stuff, as different places stock different thicknesses. I built up my main chassis with 1.6 as that is what Camp Steel sell, but the last few brackets and things are made of 2mm as I had bits left over from another job. Just be careful when it comes to the difference between imperial and metric. 0.4mm doesn't sound much, but if the metal doesn't butt against each other the weld will do a spectacular job of drawing the metal together.

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johnnybizzle1986

posted on 26/8/15 at 11:51 AM Reply With Quote
Hi Ron,

Firstly Good luck.

I have built a couple of frames and I tend to use 2mm SHS, just because its easier to weld and not blow holes in.

what sort of spec/style are you thinking with your build... or not decided yet.

Regards jon

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Brook_lands

posted on 26/8/15 at 12:09 PM Reply With Quote
Hi Ron and welcome

I used 2mm because I could get it cheap from work and I was arc welding rather than MIG welding in those days.

I reckon the difference between using 1.6 and 2mm is about 12 kgs on the frame.

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nightracer36

posted on 26/8/15 at 05:02 PM Reply With Quote
newbie builder

ive got a load of box from some old tables from work the only trouble is there 2" x1" so weigh much heavier, could I use some for the bottom of rail or would it be better to stick to sizes in book??? many thanks again. Ron./
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joneh

posted on 26/8/15 at 05:17 PM Reply With Quote
Assuming it's good steel, can't see why not. I'd be wary which orientation you use it as it'll throw other dimensions out when adding upright pieces or horizontal pieces.
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jossey

posted on 27/8/15 at 05:38 AM Reply With Quote
You can buy the pre cut chassis cheap enough these days and then you just weld them up.

David





Thanks



David Johnson

Building my tiger avon slowly but surely.

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nightracer36

posted on 27/8/15 at 08:16 AM Reply With Quote
pre cut chasiss

hiya david can you tell me where i can get pre cut box section from ?? thanks.ron.
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ianhurley20

posted on 27/8/15 at 08:22 AM Reply With Quote
Phil Talon does excellent chassis kits at
http://www.talonmotorfabrication.co.uk/





My build blog http://ianhaynes20.wordpress.com IVA passed 3/10/16
written off 23/9/18
Aug 2019 completed Tiger Avon with ST170 on TB's

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