speedyxjs
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| posted on 8/6/09 at 06:13 AM |
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Weighing chassis with engine in
Being a complete idiot, i forgot to weight the chassis before i put the engine in.
Could i attach a couple of
these
to my engine crane to weight the front and then do the same to the rear?
How long can i resist the temptation to drop a V8 in?
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FEZ1025
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| posted on 8/6/09 at 07:29 AM |
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Just being nosey here, why would you want to weight the chassis?
But looking a the item you linked to unless you have a very small engine wouldn't engine plus chassis exceed 150Kgs?
Alan...
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speedyxjs
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| posted on 8/6/09 at 10:15 AM |
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Thats why i said a couple  .
I want to weigh it so i have a rough idea of what spring rates i need.
Id look for someone with a similar engine but there dont seem to be so many people installing stupid engines like me 
How long can i resist the temptation to drop a V8 in?
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aerosam
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| posted on 8/6/09 at 12:08 PM |
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mine may not be as big and heavy, but it's equally as stupid.
Had enough of this dictatorship known as LCB. Gone elsewhere, not coming back. Kiss my ass ChrisW.
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Confused but excited.
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| posted on 8/6/09 at 12:12 PM |
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Couldn't you work out your chassis weight by measuring total length of tube used and multiply by weight per foot/metre. Surely this would be
accurate enough for suspension spring requirements, as I assume you will be using adjustable platform type suspension units.
Tell them about the bent treacle edges!
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speedyxjs
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| posted on 8/6/09 at 01:50 PM |
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Didnt think of that but But i dont think it would be that accurate. There are more chassis rails at the front that there are at the back so the front
will be heavier
How long can i resist the temptation to drop a V8 in?
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iank
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| posted on 8/6/09 at 02:52 PM |
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Compared to your engine the weight of the chassis is going to be pretty insignificant to be honest. A guestimate of 50kg for the front end of the
spaceframe should be in the ballpark
I'd do the calcs based on 25kg, 50kg and 75kg for the chassis and see what range of springs you get. Bet it'll be pretty close.
--
Never argue with an idiot. They drag you down to their level, then beat you with experience.
Anonymous
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The Black Flash
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| posted on 15/6/09 at 10:25 PM |
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From my hazy memory of basic physics, using two should give half the correct weight on each. Don't see why it wouldn't work? Might do
the same with my engine...it's that or hire a van, load the chassis up, and beg the use of the weybridge at the local builder's merchants
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