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Would these work unaltered???
By tljones, Section Wind Posted on Wed Feb 14, 2007 at 04:06:05 AM MST
If you wanted to build a big one...

I was poking around on the GSA site and stumbled on these tow motors out in CA.
MOTORS, ELECTRICAL, 50 HP, 3 PH 220/440V, 875 RPM EST 2 EACH. REPAIRS REQUIRED. (1491A9-6256#0006)
They have what appears in the picture to be a diesel motor hooked to them now, so i can only think that they are currently being used as a generator. You can look at them on gsaauctions.gov under miscellaneous in CA. There is a picture.
I suppose they would have they normal problem of wasting power self exciting.... But 875 rpm for these volts is pretty good right???
Take a fricken crane and 25 foot blades I suppose, but she would bbe a beast I think....
Tom

Would these work unaltered??? | 6 comments (6 topical)

Re: Would these work unaltered??? (3.00 / 0) (#1)
by Gordy on Wed Feb 14, 2007 at 02:47:22 AM MST

Hi,

These http://gsaauctions.gov/gsaauctions/aucalsrh/

Gordy

Re: Would these work unaltered??? (3.00 / 0) (#2)
by Gordy on Wed Feb 14, 2007 at 02:54:21 AM MST

Bugger!!!

Paste this into the search bow at that address. 1491A9-6256#0006

Gordy

[ Parent ]

Re: Would these work unaltered??? (3.00 / 0) (#3)
by electrak on Wed Feb 14, 2007 at 04:04:24 AM MST

Thoses are air compressors. the motors are 8 pole. If the motor is still good hooked up to something like a VW diesel, it could power a few houses or grid tie on bio.

Re: Would these work unaltered??? (3.00 / 0) (#4)
by asheets on Wed Feb 14, 2007 at 12:20:39 PM MST

Yea, I was going to say that those are 3 stage air compressors run off of a nice, slow-speed induction motor. I bet the only thing wrong with the assemblies are the rings on the compressor heads.

If you know somebody with a flatbed and a forklift, offer something over copper scrap value for them, and they'll be yours.
_____________________________

Alan Sheets
[ Parent ]

Re: Would these work unaltered??? (3.00 / 0) (#5)
by asheets on Wed Feb 14, 2007 at 12:22:15 PM MST

Never mind... you won't need the flatbed. I thought it said 10 in the lot -- there are only 2.
_____________________________

Alan Sheets
[ Parent ]

Re: Would these work unaltered??? (3.00 / 0) (#6)
by davewheeling on Sun Feb 18, 2007 at 01:42:07 PM MST

Have you seen any Wind Blade Horsepower charts Tom?
Typed it into the OtherPower search bar a couple of different ways
but came up with nothing.

One of the old Windmill Companies put out a Horsepower Chart
going from 6 to 16 foot Wind Wheels.

A 16 footer put out .34 HP at 10 MPH, - 1.15 HP at 15, - 2.76 at 20,
9.39 HP at 30
and 22.30 HP at 40 MPH.

Would guess they were built more for shear Horsepower than for high RPM.
It would be interesting to see a HP chart for modern Wind Turbine blades
if anyone has one laying around.

Thanks, Dave

Would these work unaltered??? | 6 comments (6 topical)

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