[AT] Scrap iron

[charlie hill]

There used to be a concrete hulled sail boat around these parts.  I don't 
know what ever happened to it.  I haven't seen it in a number of years.  The 
hull was about 30 feet long if I remember right.

Charlie
----- Original Message ----- 
From: "Guy Fay" <fayguyma at execpc.com>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Tuesday, April 12, 2005 8:11 PM
Subject: Re: [AT] Scrap iron


> Actually, a lot of civil engineering schools sponsor concrete canoe race 
> teams- UW Madison holds the championship this year. They make some pretty 
> exotic mixes, the stuff will float. The trick is to get the strength in 
> there. Vermiculite is a common ingrediant.
> GUy
>
> Gene Waugh wrote:
>
>>Mike,
>>
>>This won't help anything, but just as a point of interest... ALUMINUM is 
>>heavier than concrete, but it's harder to fit tightly in a drum without a 
>>lot of heat.
>>
>>George Willer
>>-----------------------------------------------------
>>
>>Man, George, I sure just learned something!  I see that aluminum is about
>>164 lbs/cu ft, and concrete is 90 - 125 lbs / cu ft.  Who woulda thunk 
>>it!!
>>
>>Thanks,
>>
>>Gene
>>
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