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<p>Not so - a spar is loaded in bending, which means tension on one
side, compression on the other. In all structures, it is the
compression loads that are critical.</p>
<p>Marc<br>
</p>
<div class="moz-cite-prefix">On 6/24/2023 9:19 AM, Alan James via
Personal_Submersibles wrote:<br>
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Marc,
<div>a wing spa would be mainly under tension, which carbon fibre
deals with well, & I doubt they would be a solid 5" thick as
this hull section was.</div>
<div>Alan<br>
<br>
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<div>On Sat, 24 Jun 2023 at 12:11 pm, Marc de Piolenc via
Personal_Submersibles</div>
<div><a class="moz-txt-link-rfc2396E" href="mailto:personal_submersibles@psubs.org"><personal_submersibles@psubs.org></a> wrote:</div>
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