T&T: Big Alternators (was Battery Banks and Inverters)

[Alec McLocklin (amclockl)]

 Which model of the Leece-Neville would retrofit onto a Lehman 120. On
the Leece-Neville, Prestolite web site, there are many to chose from. If
I need a maximum of 160 amps, then the 4800/4856 model looks about
right. If possible, I would like to keep the 1 belt configuration.


Alec


-----Original Message-----
From: trawlers-and-trawlering-bounces@lists.samurai.com
[mailto:trawlers-and-trawlering-bounces@lists.samurai.com] On Behalf Of
Truelove39@aol.com
Sent: Saturday, January 20, 2007 5:47 AM
To: trawlers-and-trawlering@lists.samurai.com
Subject: T&T: Big Alternators (was Battery Banks and Inverters)

If we had not already owned two Balmar 95-165s, we would have gone with
the Leece-Neville machines that Arild mentions. FWIW, that's the machine
that Lugger  supplies as standard. We checked into Electrodynes and
determined that for the  cost, we could overhaul or even replace the
Balmars many times over. Our main  engine Balmar has been outputting 90%
(148A) for 6 hours per day for a total of about 8 months since last
overhaulled (bearings and brushes) in 2004. The stator temp at full
output runs about 180F in a 125F engine  room.

Regards,

John
"Seahorse"

Dave wrote:
> -----Original Message-----
> Don't mean to beat a  dead horse or push a specific vendors product
but the
> Electrodyne  alternators will do what you want...all day all night
> from idle to full  RPM. Awesome big, heavy, huge copper winding, large
> external  diodes.
> And industrial strength unit not a wimpy highly stressed souped  up
auto or
> truck alternator but built from scratch for this use.
>  Dave & Nancy

Arild wrote:

In the interest of impartiality, < smile>
Leece-Neville does have  an industrial strenght alternator originally
designed for diesel locomotive  use. Its was designated the VLF series
and
was rated for five hours short  term output of 300 amps and a continuous
rating 24/7 at 200 amps.  These  have now been adopted for use on
highway
coaches like Greyhound and the big  commercial busses like Prevost.
These ar
not lightweight souped up  units.  They weigh 80 lb without mounting
bracket.
Add another 20 lb for  brackets. They require double 5/8" wide belts.
Half
inch belts simply do not  stand up.

This is what powers the USCG MLB47 system of inverters that run  their
air
conditioning.
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