[Alberg30] Hull etching

[Larry Morris]

Hi Bill & Mike,

The most accurate way to set your waterline is to do the following.

Before hauling boat:( if boat is already out of the water you may be able to
determine these waterlevel points by the scumline left on the boat.)

1.	While the boat is in the water and has all equipment, water and fuel
aboard in their standard locations( full fuel tank and 1/4 tank of water).
Mark the waterlevel at the stem and on the center seam on the transom
bustle.

2.	Measure and record the distance between the stem fitting along the Stem
to the water level mark and from the center bottom of the transom along
center seam to the waterlevel mark.

After boat is painted.

1. Measure and mark the hull with the above dimesions.  This is baseline for
your waterline.  (It is common practice to raise the painted waterline 2-3
inches above the actual water level to keep the line clean from growth)
determine the distance you want to raise the waterline and mark the stem and
stern accordingly.

2. Using a laser level and a photograghers tripod placed approx. 15ft. from
the midpoint of the boat, set the height of the level at the approximate
height of the waterline, align the lazer with the marks on the stem and
stern. This lazer line will indicate the location for the waterline. Mark
with a pencil every 3-4 inches and then mask and paint.
PLEASE NOTE: Lazer levels can be purchased cheaply at HOME DEPOT or Harbor
Freight. Around $20 - $30.

If you live in the Balt., Annapolis area I would be glad to help with the
project.  Have Level will travel! at least close by.  My number is in the
Handbook.

Fair Winds

Larry Morris
Solstice #501





-----Original Message-----
From: public-list-bounces at alberg30.org
[mailto:public-list-bounces at alberg30.org]On Behalf Of Mike Lehman
Sent: Thursday, January 30, 2003 2:41 PM
To: public-list at alberg30.org
Subject: Re: [Alberg30] Hull etching


Hi Bill,

As far as I know there is no etched waterline on the hull. Besides, even if
there was, it would probably be lower than you would want it today. Over the
past 30+ years I think it is safe to say that the boats are heavier than
when origially constructed, due to water absorption, additional equipment,
or cruise/race supplies and stuff. In my experience the boats sit lower in
the stern and the waterline has had to be raised several times. Rule 1
(especially for racers) empty the lazarette, it is unsupported weight (this
storage area is in the overhang and is not supported by water). Rule 2 -
when repainting the boat - mark your water line before removing the old
paint. The challenge - getting the line straight and level with the water.
Good luck.


Mike Lehman
"Gilleleje" #505





----Original Message Follows----
From: Bill Blevins <billblevins at mac.com>
Reply-To: Alberg 30 public list <public-list at alberg30.org>
To: Alberg 30 public list <public-list at alberg30.org>
Subject: [Alberg30] Hull etching
Date: Thu, 30 Jan 2003 10:19:34 -0500

I seem to remember someone saying that when they sanded the hull on their
A30, they found etch marks where the original waterline stripe was painted.

Is that the case for anyone on this list? If so, where should I look once
the paint is off?

Thanks.

Bill Blevins
SABRINA, A30 #158
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