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Alu mast (strut) with 3 bolts - standard?

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3InletsWindsports
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Re: Alu mast (strut) with 3 bolts - standard?

Postby 3InletsWindsports » Tue Jul 10, 2018 9:00 pm

Load on mast to mount at board is highest load so if you have 3 positions to put a bolt then why not?

As Musashi wrote; it is a waste for a Samurai to die with a sword still in its scabbard.

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tegirinenashi
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Re: Alu mast (strut) with 3 bolts - standard?

Postby tegirinenashi » Wed Jul 11, 2018 3:04 am

3InletsWindsports wrote:
Tue Jul 10, 2018 9:00 pm
Load on mast to mount at board is highest load so if you have 3 positions to put a bolt then why not?
That is why competent manufacturers reinforce mast plate with a collar:
Image

Consequently, very little strength is required from the bolts themselves - they just must be strong enough not to let the mast to fall down when the foil is idle. Even single puny M4 connection would be sufficient to hold 4 kg or so of foil weight!


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