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Re: [PSUBS-MAILIST] Re: Blowing ballast (was: question about general design?)
In a message dated 8/13/2001 3:19:50 PM Eastern Daylight Time,
mholt@richmond.edu writes:
<< Long ago, I was actually thinking about using gravel as emergency
ballast. I had the idea that a thick trash bag nested in a frame
of metal would survive most normal operations, and I'd drop the
ballast by having a blade that would tear the bag. The gravel
would cascade out of the frame, tearing the bag to shreds.
>>
You might want to do some experiments about weight before making any
decisions along the "detachable gravel" line. You might be surprised just how
much volume it takes to equal a chunk of lead the size of a shoe box.
Vance