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Howard has great information for those who may choose to use non-aircraft
alternators on their ships.  I am forwarding this to the list without doing
any prior investigation so you're on your own here, guys.  Enjoy, and thanks
to Howard for the help!
----- Original Message -----
From: "Howard" <hwrdp@nettaxi.com>
To: "Walter Dodson" <coy0te@earthlink.net>
Sent: Friday, January 19, 2001 12:49 AM
Subject: Re: automotive alternators


> When I posted my message I thought it would go to the list, but it seems
that
> it only went to you. I am not a member of the group so maybe you could
post
> this to the group for me.
>
> The companies that I know produce brushless alternators are:
>
>         C.E.Niehoff & CO.
>         Prestolite
>         Denso
>         Electrodyne
>
> There may be others.
>
> The alternators are popular on heavy trucks and emergency vehicles because
> of their hight sustained output, but are finding their way into regular
cars
> and trucks nowdays. With the high powered sterio systems, and the large
> number of electricaly powered accesories I wonder why they have not taken
> over the market. They can maintain high output at a much higher dutycycle
> than a standard alternator can.
>
> The one that I have is made by Niehoff, and is a 70 or 75 amp unit, the
> same size as the dodge part it replaced. I looked at the prestolite web
site
>
>    www.prestolite.com/arc/pgs_alt/alt_0/html
>
> and they have a range of alternators in what look like standard sizes with
> outputs of 140 amps. or higher.
>
> One of the sites that I came across when doing a search for brushless
> alternators listed no arcing at high altitude as one of the advantages  of
> the brushless design.
>
> My brother was the person who took care of the school busses for a small
> school district here in Eastern Washington State. He was replacing a lot
of
> alternators because of the stop and go driving coupled with high drain
imposed
> by all the lights they used. After switching to the brushless units his
> alternator problems went away. In a fleet of 21 busses in constant use
> over a period of 12 years, he only had to replace 3 due to regulator
failure.
>
>
>                                 Thank you,  Howard   KB7FZZ.
>
>
>
>
>

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