[Public-List] Incline test on an Alberg 30?

[George Dinwiddie]

Jeff,

JT wrote:
> ... While he can work 
> from standard tables, he said the best way was to perform an incline 
> test, as in Brion Toss's book "The Complete Rigger's Apprentice," p. 
> 136: level the boat in the water, then line up several of your buddies 
> along the toerail after noting their weights. Note the heel in degrees. 
> (Hopefully, it's a handy 10 degrees.) By measuring the distance they are 
> from the CL of the boat, and multiplying their aggregate weight by that 
> distance, then multiplying again by 3 (if you got 10 degrees), you get 
> the righting moment (RM) for the boat at 30 degrees of heel.
> 
> This morning, my partner-in-crime managed to perform this feat on an A30 
> in Clear Lake, Texas. Our figure was 4,459 foot-pounds for 10% of heel.
> 
> Knowing that a lot of folks had undertaken complete restorations, I was 
> wondering if anyone else had done this, and if so, whether their results 
> were close to ours?

I've not done that, but I can tell you from experience that about 25 
Albergers on the bow will bring it down very close to the waterline, 
making it possible to scrape the barnacles off the prop from a dinghy. 
That's a great thing to know when the water gets cold.

  - George

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   When I remember bygone days                         George Dinwiddie
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