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Tower Fun | 13 comments (13 topical, editorial)

Re: Tower Fun (none / 0) (#10)
by DonG on Wed Dec 24th, 2003 at 03:34:15 PM MST
(User Info)

The original Windworks tower plans were built with one inch conduit and a maximum length of 10 ft for a section. You've shortened the modules so you can use the lighter 3/4" conduit and retain the strength. It should be just as strong. The strongest vector is a triangle and these are just a bunch of triangles. I'm curious what your destructive testing will find and how it matches the engineering data shown on the plans for downforce and sideforce. I'm going to add an email address to the classified ad in case anyone else is interested. I stopped running the ad in Ebay. It would probably be cheaper for someone in SD to just get an old water windmill tower from NE. They're everywhere in that state. The single legged pipe towers have very little strength when your raising or lowering the tower compared to an octahedron module. I've also heard some people complain of tower vibration too. A guyed 1" conduit octahedron module will cost about $35.00 for each 10 ft module figuring about five $7.00 ten foot conduit sticks. A ten ft piece 3" pipe will cost you about the same and not be as strong and have no entertainment value. I'm currently restoring an old wind generator out of the 1940s and should have it on top of a 52' free standing octahedron tower at my new house this spring.

Re: Tower Fun (none / 0) (#12)
by Old F on Wed Dec 24th, 2003 at 07:05:04 PM MST
(User Info) http://www.oldf.homestead.com

Hi Don

I decided to cut my teeth on a strait section guyed tower be for going for a free standing

Thank agin for come up with the plans.

Old F

[ Parent ]

Re: Tower Fun (none / 0) (#13)
by DonG on Wed Dec 24th, 2003 at 08:08:37 PM MST
(User Info)

It looks like your going to be OK with strength and your design has cut the cost even lower. I'm always amazed how much local interest you will get with this tower design when it is up. In the 70's an alternative energy business in Cambridge, MA put a twenty foot octahedron section up in front of their storefront to get more traffic through the door...it worked. I'm glad to see that your also having fun with this design. Unfortunately I lost my Jack Park 12-16 Helion plans in my many moves. You would have enjoyed his flyball governor and aluminum blade construction too.

[ Parent ]

Tower Fun | 13 comments (13 topical, 0 editorial)

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