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Jacobs serial number
By bb, Section Wind Posted on Mon Jul 21st, 2008 at 02:38:49 AM MST
Looking for information on Jacobs date of manufacture

Jacobs Model: P1582 Serial Number: 98EBB20 429346MH
Blades: ABGBVT Gear: 12 degree long shaft spiner Tail: Dual Fold
Wood Blades: 23ft.
Does anyone have information on serialization of these units/ date of manufacture?
I found this one abandoned and am looking for information on it. I have the ability to connect to a net metering system at my home, and am paying 9.5 cents per kwh. The system does not have a grid tie inverter. Are parts available for these? What would it cost to replace the blades? Can a larger swept area be applied to this unit to increase output? What is the value of a standing system of this vintage, considering it would need removal and re-installation?
Any internet sites recommended for information if not available here?
Thanks,
B

Jacobs serial number | 5 comments (5 topical, 0 editorial)

Re: Jacobs serial number (3.00 / 0) (#1)
by dnix71 (yahoo.com 'dnix71') on Sun Jul 20th, 2008 at 09:02:11 PM MST
(User Info)

Is yours the old style or the new?

http://www.windturbine.net/products.htm is the current manufacturer, and according to an online encyclopedia, the originals were in use from 1930 to 1960.

http://original.britannica.com/eb/topic-299096/Jacobs-three-bladed-windmill

Re: Jacobs serial number (3.00 / 0) (#2)
by bb on Sun Jul 20th, 2008 at 09:06:29 PM MST
(User Info)

I believe it is probably circa 1980's.

[ Parent ]

Re: Jacobs serial number (3.00 / 0) (#3)
by wooferhound (tim((NoSpamAt))wooferhound.com) on Sun Jul 20th, 2008 at 09:47:55 PM MST
(User Info) http://wooferhound.com

Short answer
Longer blades = less power

Long answer
If you put longer blades on it, then it will spin slower and it will not be able to produce it's rated output
W o o f -={(

Re: Jacobs serial number (3.00 / 0) (#4)
by wooferhound (tim((NoSpamAt))wooferhound.com) on Sun Jul 20th, 2008 at 09:52:07 PM MST
(User Info) http://wooferhound.com

I posted that without reading it, I said "Longer Blades = Less Power".
What I should have said is, If you put longer blades on a machine designed for smaller props, it will make less power because it will spin slower with the longer blades reducing the output voltage.
so that was the long answer . . .

W o o f -={(

[ Parent ]

Re: Jacobs serial number (3.00 / 0) (#5)
by DanB (danb@*no spam*otherpower.com) on Mon Jul 21st, 2008 at 03:56:02 PM MST
(User Info) http://www.otherpower.com/

Hi woof - yes that is usually the case, I'm not sure it's always the case for this particular machine though. I could be wrong, but I think the big jacobs machines do come with blades varying quite a bit in size and I think the only difference between them is the rated output, the blade diameter, and the inverter (I think... ). I dont think the generator, or the gearing is different in them (which does seem a bit odd)

[ Parent ]

Jacobs serial number | 5 comments (5 topical, 0 editorial)

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