goodall
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| posted on 8/3/07 at 05:17 PM |
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weight of chassis
whats the normall chassis weight?
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flak monkey
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| posted on 8/3/07 at 05:19 PM |
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Somewhere around 80kg.
I know I could lift mine and flip it over myself when it was bare, still can just about lift the back end up off the ground 
Sera
http://www.motosera.com
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02GF74
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| posted on 8/3/07 at 05:58 PM |
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that is really heavy!!!
from wikipedia, when reading about donut's cateringvan,
quote:
The Mk 6 in many ways reflected Chapman's background in engineering: his designs resulted from a stress analysis of loads into the frame, they
were extremely light (the Mk.6 space frame weighed only 55lbs (25 kg)),
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flak monkey
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| posted on 8/3/07 at 06:05 PM |
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I dont know how true the 25kg claim is, i would expect a lot of chassis failures at that sort of weight. And I believe there were quite a few over
time on the racing lotuses.
OUr single seater chassis is just a tad over 30kg, and thats pretty slim, mind you some of the tubes are quite thick due to the rules.
Theres a screen shot of what cad says a de dion locost chassis weighs, with the suspension and an ali floor IIRC from when I did the drawings.
David
[Edited on 8/3/07 by flak monkey].gif)
Sera
http://www.motosera.com
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goodall
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| posted on 8/3/07 at 07:06 PM |
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well if it were 25kg must been made from something like titanium
so it would be fair to say pretty much all the weight of a locost is found in the mechanical parts
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kb58
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| posted on 8/3/07 at 09:02 PM |
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My complete tube-frame chassis for the mid-engine Mini was right at 200lbs (91kg). Not light, but not unsafe either, I hope.
Mid-engine Locost - http://www.midlana.com
And the book - http://www.lulu.com/shop/kurt-bilinski/midlana/paperback/product-21330662.html
Kimini - a tube-frame, carbon shell, Honda Prelude VTEC mid-engine Mini: http://www.kimini.com
And its book -
http://www.lulu.com/shop/kurt-bilinski/kimini-how-to-design-and-build-a-mid-engine-sports-car-from-scratch/paperback/product-4858803.html
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02GF74
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| posted on 9/3/07 at 08:51 AM |
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quote:
Originally posted by goodall
well if it were 25kg must been made from something like titanium
not sure about that. if you take a look at the austin 7 chassis, it is more like a bed frame.
there was one on ebay a few months back - there is not a lot to it; best photo I could find is:
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