[Public-list] Weighty Issues

J Bergquist jbergqui at gmail.com
Fri Jun 15 10:03:49 PDT 2007


Spoken like a true naval artichoke.

J

On 6/15/07, Meinhold, Michael J. <MICHAEL.J.MEINHOLD at saic.com> wrote:
> How about get yourself 200 feet of chain and put it forward! That should
> trim you out :)
>
> Raising 210 lbs 18 inches will raise your KG (keel to the center of
> gravity) about 1/2 inch.
> This reduces your GM by 1/2 inch - GM measures the initial stability in
> heel. I estimate the GM of the A30 at about 2.6 feet based on Jack
> Horrnor's particulars. SO - you haven't lost much, but since most added
> weight raises the KG, it's best to avoid it by design.
>
> Mike
>
>
> Mike Meinhold
> Rinn Duin #272
>
>
> -----Original Message-----
> From: public-list-bounces at lists.alberg30.org
> [mailto:public-list-bounces at lists.alberg30.org] On Behalf Of Bobby
> Sent: Friday, June 15, 2007 9:33 AM
> To: alberg list
> Subject: [Public-list] Weighty Issues
>
> Hi -
>
>   Caprice #388 sits around 3 inches below the boot stripe in the stern
> and the same 3 inches out of the water in the bow.  I think that this in
> part is giving me the significant weather helm I incur when beating or
> on a close reach.  The most significant rear weight stuff that I've
> added includes a wind generator mounted on a pole behind the lazerrette
> hatch, and a 28lb dinghy motor, a 5lb propane cylinder, barbacue grill
> all mounted on the stern rail.   Also, I refit her with three group 31
> batteries (house) and a cranking battery located under the cabin sole
> which seem to be right in the middle of the boat.  All three cockpit
> lockers are jam with stuff, but it's all light weight stuff like sails,
> fenders, empty 5 gallon tanks, etc.
>
>   I'm thinking about moving the three house batteries which amounts to
> about 210 lbs forward to the space right under the V-berth on that flat
> surface below where the draws are located.  These are sealed AGM
> batteries.
>
>   By doing this, it looks like I'll be moving the batteries higher by
> approximately 18 inches but still below the water line.   Does anyone
> have any idea how much effect this will effect the capsize factor or
> stability?  Also, does anyone have any idea if this will in fact have
> any significant effect on getting her stern up and bow down.  My friends
> say I should quit drinking beer or steer from the bow...but that seems
> too drastic.
>
>   Are should I just repaint the dang boot stripe?
>
>   Any thoughts would be appreciated.
>
>   Bobby
>
>
>
> ---------------------------------
> Get the Yahoo! toolbar and be alerted to new email wherever you're
> surfing.
> _______________________________________________
> These businesses support your Association:
> http://www.alberg30.org/store/A30supporters.html
> Please support them.
> _______________________________________________
> public-list mailing list
> public-list at lists.alberg30.org
> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
> _______________________________________________
> These businesses support your Association:
> http://www.alberg30.org/store/A30supporters.html
> Please support them.
> _______________________________________________
> public-list mailing list
> public-list at lists.alberg30.org
> http://lists.alberg30.org/listinfo.cgi/public-list-alberg30.org
>

 1181927029.0


More information about the Public-List mailing list