Alum highway pole for mast - Page 2 - SailNet Community

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  #11  
Old 01-27-2013
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Re: Alum highway pole for mast

Really... thinking to much weight up top and you want some flex.
This is why wooden masts were/are built from Sitka Spruce,
light and flexible as are todays modern Aluminum spars.
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Old 01-27-2013
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Re: Alum highway pole for mast

Be careful using some of the newer wooden poles. The new FIOS wires may not hold up to the stress when tensioned as a backstay. But, i do like the rigidity of the pre-positioned foot pegs though.
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Old 01-27-2013
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Re: Alum highway pole for mast

not an engineer but I've read that to get the same strength the diameter of a wooden mast would be considerably bigger than aluminum and would weigh a lot more per meter.
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Old 01-27-2013
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Re: Alum highway pole for mast

Quote:
not an engineer but I've read that to get the same strength the diameter of a wooden mast would be considerably bigger than aluminum and would weigh a lot more per meter
I would tend to agree. Would it have the necessary flexibility though?
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Old 01-27-2013
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Re: Alum highway pole for mast

Joshua, the boat that Bernard Moitessier sailed in the Sunday Times Golden Globe solo round the world race had masts that were telephone poles. Wooden, of course.
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Old 01-27-2013
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Re: Alum highway pole for mast

It's not hard to find a mast being sold for scrap value if you look around, especially with the number of damaged boats and parts filtering onto the market now. Given a choice between buying a mast at scrap value or a lamppost at scrap value, i'll take the mast- all the hard work has been done, all the shroud and stay tangs are there, no sail track installation needed, etc.
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Old 01-27-2013
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Re: Alum highway pole for mast

I just read it and wondered. I don't know about wooden masts so I can't answer the question about flexibility. Apparently some people are buying new light poles which are cheaper due the the very high volume of production than masts. I haven't looked into it but the idea of buying a scrap mast that has good life left in it seems a good one.
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Old 01-27-2013
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Re: Alum highway pole for mast

They would make good masts for a gaff schooner, although they have more taper than is normal for a wood spar. However, when I was rigging my schooner; the light poles were very expensive, and I made wood masts for much less.
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Old 01-28-2013
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Re: Alum highway pole for mast

Nonsuch 22, 26, 30, 33, 36 all have unstayed pole-like masts.
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Re: Alum highway pole for mast

Hunter Vision 36 - the unstayed mast *was* an aluminum light pole, complete with a sleeve joint part-way up, very obvious as the taper was not continuous. So it can and has been done.

(Not my boat, a friend's.)
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