tigris
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| posted on 17/7/07 at 06:23 PM |
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Ladder chassis round tube diameter
I plan to build a street rod with a 300 lb v6 engine. I am going to do a ladder frame with a modified double wishbone setup and a live axle rear.
Total weight should be 1200 lbs with composite body.
What size tubing would be best for 2 main rails and cross rails. I am thinking 2" .095 wall or 50mmx2.5mm.
Any thoughts?
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Alan B
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| posted on 17/7/07 at 06:28 PM |
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That sounds a bit skimpy to me for a two mail rail ladder frame...I'd be looking at more like 4" diameter 1/8"wall or 4 x 2 x 1/8 if
using rectangular.
Alan
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tigris
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| posted on 17/7/07 at 06:30 PM |
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yeah
factory five uses 4"x.120 dom, and they have quite a bit of extra triangulation.
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tigris
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| posted on 17/7/07 at 06:34 PM |
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I was hoping to get by with something lighter due to using lighter components, and a spaceframe is not gonna cut it for this design.
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tigris
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| posted on 17/7/07 at 06:40 PM |
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I thought about doing a "stacked" ladder frame, with basically 2 ladder frames, then triangulated, merging closer through the driveshaft
tunnel. This way I could still bolt on a complete body.
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blakep82
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| posted on 17/7/07 at 06:43 PM |
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my chassis is made of 2" tube, but is a full space frame, and will run a 3ltr V6. for the main rails on a ladder chassis, i'd got 4"
too
 
Description
[Edited on 17/7/07 by blakep82]
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Chippy
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| posted on 17/7/07 at 10:23 PM |
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I would use 4" x 2" box section, much easier to fabricate, just straight cuts with no notching to fit. Also much easier to do X brase,
whatever. IMHO Ray
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