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Using styrofoam blades for a VAWT? | 14 comments (14 topical, editorial)

Re: Using styrofoam blades for a VAWT? (3.00 / 0) (#2)
by Derek (jumpin_12@hotmail.com) on Tue May 22nd, 2007 at 11:54:50 AM MST
(User Info) http://www.FreeEnergySolutions.net

Oh well snap, that would work. I seen on discover channel show "how its made" with hot wires cutting styrofoam, was pretty cool. So I'd end up with a very strong, and incredibly lightweight blade for my VAWT wouldnt I? Wonder why nobody has tried this before, or has nobody thought of it....

So where can I get some stryofoam either already cut, or some really big chunks?

[ Parent ]

Re: Using styrofoam blades for a VAWT? (3.00 / 0) (#4)
by Lumberjack on Tue May 22nd, 2007 at 12:54:17 PM MST
(User Info)

I have seen inch thick blue foam used on walls....

[ Parent ]

Re: Using styrofoam blades for a VAWT? (3.00 / 0) (#7)
by vawtman (vawtman(at)charter(dot)net) on Tue May 22nd, 2007 at 04:30:31 PM MST
(User Info)

Hi Derek

I think foam/epoxy glassed blades would work fine for a small vawt.You can cut your desired profile out of a 1x4 or whatever and epoxy that to each end that will be your form to follow has well has end supports for mounting.

Plan on doing this for a rooftop turbine.

I built a foamcutter basically for free from the great help here.

Material list;
scrap pvc pipe
scrap emt
element from a junk milkhouse heater(with insulators streched out to~4FT
transformer from a junk pool robot
spring from a junk dishwasher

Worked fine with practice

Heres a pic of the beast

[ Parent ]

Using styrofoam blades for a VAWT? | 14 comments (14 topical, 0 editorial)

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