Dusty
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| posted on 27/1/09 at 06:42 PM |
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How about adding some triangulation to those boxes, just like your chassis?
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rodders
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| posted on 27/1/09 at 06:44 PM |
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That looks good mate, what thickness steel did you use and what's the heaviest car you've had on it?
Regards
Rhod
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toenee
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| posted on 27/1/09 at 06:53 PM |
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The frame is 30 x 5 angle with 25 x 3 tred bars. I built it to restore my Mk1 MR2, so not so heavy a car, but there was no flex even when jacking on
side from a single point.
Tony
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rodders
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| posted on 27/1/09 at 07:01 PM |
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Cheers for the reply Tony, From what you have said the 5mm steel I was planning on using should be suitable for my car. Now I just have to find out
how much it will cost and then find the money to do it.
Regards
Rhod
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handyandy
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| posted on 27/1/09 at 07:12 PM |
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hi, i like the design, simple & effective, the one thought i had was to have a brace at floor level so it won,t stop you working under the car, a
brace between the two structures close to the front end, just to stop them "spreading" as you intially begin to put weight onto the
ramps.
how about making them yourself, i mean doing the welding? sorry if that was already your plan.
andy
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rodders
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| posted on 27/1/09 at 07:32 PM |
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Good point Andy I didn't think about bracing the two ramps together. I could get some extra cuts of the box section and clamp them to either
ramp at the back and front to stop them spreading.
I haven't welded for a few years now and I would ideally like to do it myself but my welding not up to scratch at the moment. Maybe when I can
afford to do it I will practice and make it myself.
Regards
Rhod
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handyandy
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| posted on 27/1/09 at 07:37 PM |
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go on! you know you CAN do it, like riding a bike isn,t it??? 
ok i,ll be honest, i,ve been attending a welding course at locel tech college for few weeks & so i just wanna WELD, lol 
good luck & when you do build the system post some pics.
andy
[Edited on 27/1/09 by handyandy]
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Canada EH!
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| posted on 27/1/09 at 07:47 PM |
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A race shop I used many years ago had a setup like that for doing alignment work, It pivited on a pipe just aft of centre and had two large shocks on
the sides to slow the teeter totter effect, apparently used by British lorries at the time as sway control. worked very well for Mini's and
other Brit cars (they ran three very fast Cooper S race cars 2 1275's and one 970
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Schrodinger
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| posted on 29/1/09 at 12:46 PM |
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An obvious point but: you will need to ensure that the front of the car does not go beyond the pivot point before the rear wheels are on the ramps.
Keith
Aviemore
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