[Public-List] Stern squat.

[Hans Thomas]

Jeremy -
My triton, with a yanmar in place of the A-4, squats. a 30 foot water line is incredibly sensitive to fore-eaft trim, and a little bit (sail bags, water, clothes, etc) goes a long way. Cement is way too extreme.

regards -

Hans Thomas
AUV Supervisor, Division of Marine Operations
Monterey Bay Aquarium Research Institute
831-775-1976 (landline)
831-869-5693 (mobile)
"la mer ne pardonne pas" - James Keelaghan, "Captain Torres"



----- Original Message -----
From: "Glennb" <brooks.glenn at comcast.net>
To: "Alberg 30 Public List -- open to all" <public-list at lists.alberg30.org>
Sent: Thursday, February 14, 2013 9:33:14 PM
Subject: Re: [Public-List] Stern squat.

Hi Jeremy,  

I think many if not  all A30's squat in the stern.  I think its the way they are designed.  Fill up the 20 gal water tank in the bow, add some chain for anchor rode, and what ever crusing gear you want to take along on your sailing trips and the boat levels itself out...no more squat.  Let me be the first to encourage you NOT to pour cement into your boat.  Nothing good ever came of that idea, in either wood or fiberglass hulls, unless you want to burn extra fuel carrying needless weight around or encourage an early demise of your vessel from highly acidic lime content of the cement dissolving the resin in the hull  and contribute to osmotic blistering from water drawn into the hull around the area of the cement.  If the trim really bugs you, a highly valued maintenance tip is to repaint the boot stripe to look level in the water.  i think even Dennis Conner's maintenance chief recommended that once!

Cheers,
Glenn P.
Dolce 318

Sent from my iPad

On Feb 14, 2013, at 8:27 PM, Jeremy Brown <j_l_brown at shaw.ca> wrote:

> Hi all, 
> As I finish up some projects and spend more time actually relaxing on the boat I'm noticing some things that bug me that I would like to fix soon.   One of the biggest is the squat at the stern.  While I do need to empty the aft lockers, and currently have nothing up front, it seems to me that it squats a bit even when totally empty.  One thing I have noticed is that the mast is slid as far it will go aft on it's bolts.  Could I move it forward?
> 
> Has anybody added permanent weight up forward?  I have a Yanmar 2GM20F, and tank under the cockpit sole, as well as the port locker containing my house battery bank, even with empty lockers she sits a little bit heavy aft.  
> I'm thinking either poured in place concrete(broken up into smaller sections with 3/8$ foam, with a hard plastic layer on top of 1/2" closed cell foam to make it easy to remove if needed, and to protect the hull, or lead(shot in bags).
> 
> I'd like to get the bow down a couple inches, it's not the end of the world if I can't but it does bug me a fair bit.
> 
> 
> Thanks
> 
> Jeremy
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