Author Topic: A Glorified lawn ornament?  (Read 2167 times)

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esc

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A Glorified lawn ornament?
« on: April 09, 2010, 02:58:31 PM »
Does anyone REALLY want to see my glorified lawn ornament?  Maybe not, but I wanted to try posting something and it is on topic...so here it is:

The blades are made out of a 2' x 3" piece of PVC, they were my first try at PVC blades when I cut them out about a year ago.
About 14" of 1.5" ID galvanized pipe, with a pair of bearings and a piece of 5/8" all thread.  The tail is a scrap of Plexiglas I had laying around.
It is sitting on top of a 10' x 3/4"  piece of conduit, held in place with nylon straps.

Even sitting is the shade of a bunch of trees it spins almost all the time.  Now I just need an alternator for it.


esc

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Re: A Glorified lawn ornament?
« Reply #1 on: April 09, 2010, 03:00:15 PM »
Hey it works!
I think I'll like this new board.

TomW

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Re: A Glorified lawn ornament?
« Reply #2 on: April 09, 2010, 03:00:39 PM »
esc;

I do.

Big or small, I love em all!

Thanks for the share.

Tom

behoof

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Re: A Glorified lawn ornament?
« Reply #3 on: April 09, 2010, 11:03:08 PM »
Hay guy,

Looks mighty fine to me... you need one of those mini-motors that Glen works over so well !!

Good job,
Skip
They're in the wire!!

esc

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Re: A Glorified lawn ornament?
« Reply #4 on: April 09, 2010, 11:31:13 PM »
I've been thinking about what would be easiest to do.  A motor conversion might be the best plan.

I would like to follow through with my 18 month old plan of building a mini axial flux alternator out of saw blades and ceramic magnets.  But the stator is where that plan "ran aground."  With the weak magnets, small rotors and no real reference material or experience to base any guesses on, any attempt at a stator would be a shot in the dark.  Factor in my current lack of time, no place to put it (deed restrictions prohibit windmills) and no need other than morbid curiosity and you might understand my total lack of progress for the last year.  But I still think about ti all the time.

The FEMA buyout of my once happy home on the beach (eaten by Hurricane Ike in '08) fell through, the County vetoed it as they didn't want to lose the tax base.  So I now have a good site available, a 100' square sand box 100 yards from the Gulf of Mexico.  It is always windy and there is nothing taller than 2 feet between me and the sea.  But without any dwelling, structure or even a decent camp site, there isn't much point.  Anything I put out there will just get stolen.  One of these days, when I have money, I'll build a wind and solar powered cabin out there.  For now I'll just have to play with toys in the back yard.

wooferhound

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Re: A Glorified lawn ornament?
« Reply #5 on: April 09, 2010, 11:50:09 PM »
Too Cool.
Looks amazingly like our ZubWoofer PVC blades . . .

esc

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Re: A Glorified lawn ornament?
« Reply #6 on: April 10, 2010, 11:14:06 AM »
Any resemblance is purely coincidental.
These are the first example of my new patent pending design.  Guaranteed to spin at incredible speeds regardless of wind conditions.  Producing 57KW of static electricity with a 2 foot diameter blade and no alternator.


Disclaimers:coincidental similarities to ZubWoofer PVC blades is entirely intentional.
To achieve best performance in low wind conditions they should be mounting in a wind tunnel.
Actual power production will be lower than claimed.



But seriously, I am impressed with how well this (fairly poorly realized set) spins in very light winds.  It does start to bounce around in higher winds but that is just a balance issue.
« Last Edit: April 10, 2010, 11:16:24 AM by esc »