Re: [bolger] Re:Hollow masts

----- Original Message -----
From: "Samson family" <Bill.Samson@...>
To: <bolger@egroups.com>
Sent: Tuesday, August 01, 2000 2:42 AM
Subject: [bolger] Re:Hollow masts


> Hi,
>
> I'm surprised that nobody has mentioned bamboo yet. [Craig - are you
> asleep?]
>
> The original hollow spars were bamboo poles. As we all know, bamboo has
> evolved with little 'plugs' at intervals inside the hollow stem. Bamboo
> NEVER fails at a plug. Wouldn't it be a good idea, then, to investigate
the
> profile of bamboo 'plugs' and try to emulate them? Nature has a LOT of
> experience!

Bamboo naturally corrects the stress risers at the plug. Bamboo is not a
true tube but a tubular bundle of tubular bundles.

Gordon
Gordon Cougergcouger@...
Stillwater, OK www.couger.com/gcouger
405 624-2855 GMT -6:00