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Re: Weighing our CK by sylvaman
16 April 2021, 01:12:10 pm

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Re: First Meeting of 2021. Stretton Circuit Leicester Wednesday 26th May by sylvaman
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Author Topic: Lotus Mk6  (Read 1375 times)

Ron

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Lotus Mk6
« on: 15 May 2020, 06:17:21 pm »
I've made a start with the loosely cyclekart based concept, it will have the a gx200 sized hole up front and be able to seat 2 in extreme discomfort or one reasonably well , the other details are in flux but Im thinking a 1.7m wheelbase, 1m track and 2.3m overall length, the chassis element of this is going to weigh practically nothing as an IBC worth of HDPE is about 12KG and the 32m of steel conduit I've bought is easily below 18kg and there is too much of each to use!
I reckon the 300lb target is reasonably easily attained simply as the car starts off tiny, and shrinks from there.
I've have to buy a 25mm pipe former and also had to get back into the swing of the geometry of the bends as otherwise I would be wasting steel left right and center!
For the rear I'm going to make it out of 10mm rod and tie the hdpe to that as there is no appreciable chassis past the rear axle.
The wheels are 10x2.15 and I'm going to fit 4.00-10 zigzag pattern trailer tyres to them to bring the diameter to approx 500mm
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Ron

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Re: Lotus Mk6
« Reply #1 on: 22 May 2020, 01:16:10 pm »
We are getting somewhere now albeit space is at a premium tbh!
Most of the frame has taken shape although I've taken it slow to ensure all of the welded joints are up to speed, it still weighs very little so far for the size of it and seems fairly stiff but will still want the diagonal braces
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« Last Edit: 22 May 2020, 01:37:05 pm by Ron »

jim

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Re: Lotus Mk6
« Reply #2 on: 22 May 2020, 09:27:20 pm »
Looking good Ron. Tidy bit of welding.

Ron

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Re: Lotus Mk6
« Reply #3 on: 23 May 2020, 10:28:48 am »
Thanks for the kind comment Jim, but I'm merely an amateur compare to most on here I would say !

RhysN

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Re: Lotus Mk6
« Reply #4 on: 23 May 2020, 01:34:16 pm »
Looks good Ron, I'm glad you mentioned those diagonals :) Think eliminate the rectangles. Welding is a whole lot better than mine, I can't weld for sour apples.