dt21jb
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| posted on 24/9/10 at 03:59 PM |
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using 1mm box section
is 1mm to thin to build the haynes chassis
or should i stick to the 1.6mm
dan
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MakeEverything
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| posted on 24/9/10 at 04:09 PM |
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1.6mm sounds verry thick. i think i used 1.2mm.
Kindest Regards,
Richard.
...You can make it foolProof, but youll never make it Idiot Proof!...
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AdamR
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| posted on 24/9/10 at 04:35 PM |
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I can't comment on whether 1mm is too thin from a structural point of view (and I hope you do a detailed FEA analysis rather than taking
anyone's word for it on here) - but certainly the usual 1.5/1.6mm is easier to weld effectively.
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l0rd
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| posted on 24/9/10 at 04:42 PM |
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Depends on the usage.
1mm will be too thin i believe.
1.2mm would be ok for track use
1.5/6mm would be ok for road use.
If you haven't been around for long (neither have I) but i have seen a racing chassis of a westfield fail as it was used on the road and i
believe the weight reduction was on the chassis tubes thickness.
I am sure, that someone else will come and correct me.
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Myke 2463
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| posted on 24/9/10 at 04:56 PM |
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Chassis tube
16 swg was the std spec for both Haynes and Locost books.
Be Lucky Mike.
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Strontium Dog
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| posted on 24/9/10 at 05:03 PM |
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SWG to mm
http://www.newcircuits.com/article.php?id=tut003
I'd stick to 16 swg for road use. 18 swg if used for a track car should be inspected regularly (very regularly if you like the curbs etc.) !
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t.j.
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| posted on 25/9/10 at 06:48 AM |
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i'm using 2 mm but next time 1.6 mm 
I'm sure if you're a great welder and can cut the parts perfect you could drop to 1.2 mm. But maybe some extra triangles needed.
But is it worth all the hassle?
Grtz
Please feel free to correct my bad English, i'm still learning. Your Dutch is awfull! :-)
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dt21jb
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| posted on 25/9/10 at 02:08 PM |
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i'm planning to tig weld my chassis seen as i'm a fab/welder.
my boss who builds his own hot rods,currently i'm building his chassis a 33 roadster reckons 1.6 is better for it.
dan
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hughpinder
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| posted on 27/9/10 at 08:54 AM |
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16g (1.5 or 1.6 mm) is standard, 18g for 'race' chassis (1.2mm), and as said this will have regular inspection. 1mm may well be strong
enough in theory, but for a road car don't forget some corrosion allowance.
Regards
Hugh
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Liam
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| posted on 27/9/10 at 10:41 AM |
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Most standard chassis, particularly in the engine bay, are far from perfect spaceframe designs and have lots of bending load on some tubes. I
wouldn't go thinner than 16SWG unless the design was being improved in these areas.
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