[Alberg30] It's That Holding Tank Thing Again (and Group Buy? )

[sousa, stephen]

George,

How did Mike accommodate the top vented tank in the older boats? I wonder if
there is sufficient room in the anchor locker with a false floor installed
above the tank?

Stephen

-----Original Message-----
From: George Dinwiddie [mailto:gdinwiddie at min.net]
Sent: Wednesday, May 29, 2002 3:32 PM
To: public-list at alberg30.org
Subject: Re: [Alberg30] It's That Holding Tank Thing Again (and Group
Buy?)


> Neal  Jackson said:
> 
	[snip]
> As I understand it the Mike Lehman system is this :
> 
> 1.  A hose from the head runs to one 1 1/2 inch fitting to an elbow
attached
> to a fitting on the top surface of the tank (aft area).
> 2.  A second hose runs from another 1 1/2 inch fitting on the surface
beside
> the first fitting to a tee fitting (NOT a Y-valve!) behind the tank.
> 3.  One end of the tee fitting connects by hose to the pumpout deck
fitting.
> The other end connects to a Jabsco macerator pump.  The outgoing end of
the
> pump connects to the through-hull behind the head.  I plan to place a
> locking switch in place so that the pump can be immobilized except
offshore
> or in extreme circumstances.  PS, that macerator pump is currently on sale
> on the West Marine Web site, and shipping for online orders over $75 is
free
> (but make sure you find the little popup with the free shipping code).

4. There are two vent fittings on the top edge of the forward side of
the tank.  (On Mike's tank they're on the top side of the tank, which
caused problems in the older boats.)  A hose runs from one of these vent
fittings to the existing vent on the starboard bow.  A hose runs from
the other to a new vent on the port bow.  The flow of air through the
tank is important to encourage aerobic rather than anaerobic bacteria
and prevent nasty odor problems.

> I can send a picture of Mike's tank installation to anyone who wants
it...I
> just don't want to clog the listserve and those of you with dialup
> connections by sending a big JPEG.

Send the photos to webmaster at alberg30.org if you'd like me to post them
on the web site.

	[snip]
> So I have today ordered the Raritan tank.  The technician I talked with
> there says that if we can promptly get in an order for five or more tanks
> with the same configuration, Raritan will give a 40% off price to the
> purchasers.  By my calculation that brings the unit cost down to about
$106,
> about the same price as Mike Lehman paid for 23 units from Kracor over ten
> years ago.
> 
> If you want to get in on such a group buy, reply to me ASAP
> (njackson at npr.org) and I will give you the information on placing the
order.

At that price, I'm interested.  That's 2; who are the other 3?

 - George

-- 
 ----------------------------------------------------------------------
  George Dinwiddie                             gdinwiddie at alberg30.org
  The gods do not deduct from man's allotted span those hours spent in
  sailing.                                    http://www.Alberg30.org/
 ----------------------------------------------------------------------

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