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SVTPerformance's Chain of Restaurants
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Tesla Cybertruck
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<blockquote data-quote="jrandy" data-source="post: 16326910" data-attributes="member: 69042"><p>My understanding is that's why it looks like it does. It's strictly a cost & strength approach:</p><p></p><p><a href="https://www.motortrend.com/news/tesla-cybertruck-electric-pickup-engineering-manufacturing/" target="_blank">https://www.motortrend.com/news/tesla-cybertruck-electric-pickup-engineering-manufacturing/</a></p><p></p><p style="margin-left: 20px"><em>The plusses for a folded stainless steel, origami truck are compelling: no paint shop and no expensive tooling. No Godzilla-scale stamping machines stomping it with multiple strikes. Without all that, the capital and environmental costs of using stainless steel body panels are small. And big attractions for a company that's sensitive to both types of green—cash and environmentalism. Just groove the steel where it's supposed to fold (avoiding cracks) and bend it on simple, cheap machines (like I was actually doing last week with my garage vise!)</em></p> <p style="margin-left: 20px"><em></em></p> <p style="margin-left: 20px"><em></em></p> <p style="margin-left: 20px"><em>Brilliant … but prickly with trade-offs. Unlike the strength-to-weight efficiency of compound curves (feathery eggshells are the epitome), the flat-ish planes between the Cybertruck's simple bends require greater thickness to resist buckling compression loads or wrinkling oil-canning. Adding weight.</em></p> <p style="margin-left: 20px"><em></em></p> <p style="margin-left: 20px"><em></em></p> <p style="margin-left: 20px"><em>To counter this? Ditch the heavy, traditional, body-on-frame, and rethink the structure as weight-efficient trussed bridge in its simplest load-spreading configuration: a triangle set on its hypotenuse. One side is the Cybertruck's wedgy cab, the other, its tapered, sail-sided bed, their meeting point at the truck's tall peak resulting in a huge cross-sectional area for maximum stiffness.</em></p></blockquote><p></p>
[QUOTE="jrandy, post: 16326910, member: 69042"] My understanding is that's why it looks like it does. It's strictly a cost & strength approach: [URL]https://www.motortrend.com/news/tesla-cybertruck-electric-pickup-engineering-manufacturing/[/URL] [indent][i]The plusses for a folded stainless steel, origami truck are compelling: no paint shop and no expensive tooling. No Godzilla-scale stamping machines stomping it with multiple strikes. Without all that, the capital and environmental costs of using stainless steel body panels are small. And big attractions for a company that's sensitive to both types of green—cash and environmentalism. Just groove the steel where it's supposed to fold (avoiding cracks) and bend it on simple, cheap machines (like I was actually doing last week with my garage vise!) Brilliant … but prickly with trade-offs. Unlike the strength-to-weight efficiency of compound curves (feathery eggshells are the epitome), the flat-ish planes between the Cybertruck's simple bends require greater thickness to resist buckling compression loads or wrinkling oil-canning. Adding weight. To counter this? Ditch the heavy, traditional, body-on-frame, and rethink the structure as weight-efficient trussed bridge in its simplest load-spreading configuration: a triangle set on its hypotenuse. One side is the Cybertruck's wedgy cab, the other, its tapered, sail-sided bed, their meeting point at the truck's tall peak resulting in a huge cross-sectional area for maximum stiffness.[/i][/indent] [/QUOTE]
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