T&T: Airing up the dink - hard-sided dink adherents may

[Vance Nelson]

Actually having the dinghy on top is an asset:
1. The weight of the dinghy will cause your vessel to ride lower in the 
water reducing the slap on the hard chines when waves are not directly from 
the bow.
2. The viscosity of the water will tend to grab the hull since it is now 
deeper in the water and keep it from rolling as much as an empty vessel.
3. The dinghy is ready and more available on top in case of your vessel 
sinking.
4. We carried our 10' Avon Rover with 8HP engine on the top of our Grand 
Banks 32 for most of the 7350 miles on the loop with no noticeable effect.
5. Just kidding on all but #4.

----- Original Message ----- 
From: "Rich Gano" <richgano at gmail.com>
To: <robinsdreamboat at hotmail.com>
Cc: "Trawlers-and-Trawlering" <trawlers-and-trawlering at lists.samurai.com>
Sent: Thursday, January 10, 2008 10:10 AM
Subject: Re: T&T: Airing up the dink - hard-sided dink adherents may


> "Raising the dink (even a light weight one) that is on top, will adversely
> affect the boats center of gravity. Hope you have fin stabilizers other 
> wise
> you are going to roll more then you did."
>
> Boats, I assume this is a joke right?
>
> My dink with motor weighs right at 180 pounds and is still below the level
> of the flying bridge.  I weigh more than that.  Do I need to activate my
> non-existent stabilizers every time I go the FB?  Or, I could counteract 
> the
> metacentric height change by staying at the lower station in heavy 
> weather.
> :)
>
> Being an ex-salvage ship skipper, I have the information at hand to do the
> change of metacentric height calcs, but some weight moves are too trivial,
> especially 180 pounds at 22 inches on a 40,000-pound boat.
>
> Rich Gano
> CALYPSO (GB-42-295)
> Southport, FL
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