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Tayloria said..


As you say, they are long boards and a wave gets a lot of leverage. The question I asked was why do Starboard put compressed foam stringers in their surf boards but not in their SUPs?
.

Because SUP is a more thicker than a normal surfboard. Please think a board as a beam, so more thickness is the beam more strong it is. After the beam would max bend, the thickness compressed before crack. So it's better to put a stringer in a hard material ( hard wood ,vertical honeycomb ...etc) which don' t allow to compress the board's thickness.
The resistance ratio involve with the square of its number. For example, a 9' longfboard of 6 cm thick give a resistance ratio of 36. A 9' SUP of 12cm thick will give 144 ratio of resistance .
So A SUP can stand 4 time what a longboard can do. ...... Very simply explanation about and sorry my poor english.

This is the explanation that any craftsman or engineer can do. Big companies d'ont spend time to explain or communicate on that kind because it need to technically educate their customers.
It can be the reason why that topic has been remove.

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Kami said..

Tayloria said..





As you say, they are long boards and a wave gets a lot of leverage. The question I asked was why do Starboard put compressed foam stringers in their surf boards but not in their SUPs?

.

Because SUP is a more thicker than a normal surfboard. Please think a board as a beam, so more thickness is the beam more strong it is. After the beam would max bend, the thickness compressed before crack. So it's better to put a stringer in a hard material ( hard wood ,vertical honeycomb ...etc) which don' t allow to compress the board's thickness.

The resistance ratio involve with the square of its number. For example, a 9' longfboard of 6 cm thick give a resistance ratio of 36. A 9' SUP of 12cm thick will give 144 ratio of resistance .

So A SUP can stand 4 time what a longboard can do. ...... Very simply explanation about and sorry my poor english.

This is the explanation that any craftsman or engineer can do. Big companies d'ont spend time to explain or communicate on that kind because it need to technically educate their customers.

It can be the reason why that topic has been remove.

I wish I understood french!