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Learning how to build Lotus Seven replicas...together!
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PostPosted: February 27, 2021, 7:41 am 
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Joined: February 27, 2021, 7:37 am
Posts: 1
Pe7e wrote:
Thanks, SportsCarDesigner and Cheapracer. These are helpful. The .049 chart is particularly revealing. Thinner wall, larger section = less weight, less twist; I knew the concept, but the figures are impressive.

-Pete


its how they do it with aluminium bicycles i came here looking to ask why people dont use round tubes in their builds , is it a skills thing (i built a lot of bicycles so dont really struggle) we designed chassis at ginetta and they were all round tube except the g50 which was square furniture tube


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PostPosted: February 28, 2021, 9:22 am 
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Always Moore!
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Joined: November 9, 2007, 3:40 pm
Posts: 4035
Location: Pittsburgh, PA
And cost. Around the time the book was written, 1" square ERW tubing was less than $0.50/ft.

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