6469Re: [bolger] More Mast Alternatives
- Aug 2, 2000Sam Rabl was very esteemed, a Bolger of his day. The plywood
spars in his book all have shrouds, hence the plug to help
one stand alone.
Not even an amateur scientist, I can only ask:
Isn't plywood strong enough to replace a plank twice its
thickness? Isn't there more strength in the size and shape
of a section than in the mass of material involved?
Wood inserts for aluminum tubes are seen in Stevensen designs.
>Jim Goeckermann wrote:
> In a message dated 8/2/2000 8:33:08 AM Eastern Daylight Time,
> marka@... writes:
> I have a borrowed copy of this same book - and remember seeing the section on
> plywood masts - and at the time I wondered if this was for real! It hardly
> seems like it would strong enough. Wow - what a great idea - if it works. I
> mean - if it's in a book it has to work right? Steve Anderson ( the notorious
> Regarding mast alternatives, thought the source eludes me, I recall seeing
> an aluminum tube reinforced by a wooden "X" that was driven down the
> center. If you have access to aluminum tubuing this sure merits
> considering. Anyone else recall where on the net this was detailed?
> Bolger rules!!!
> - no cursing
> - stay on topic
> - use punctuation
> - add your comments at the TOP and SIGN your posts
> - add some content: send "thanks!" and "ditto!" posts off-list.
- << Previous post in topic Next post in topic >>