Quote:
Originally Posted by Paraaronoid
...you could use them instead to fill rocks, gravel, etc., whatever has weight in your surroundings, and then dump them out on the way back.
You would have to accept that you will need more volume of weights
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I don't think that's a good idea. As you said youself the density is the problem.
If you use say 5 kg (about 11 pounds) of lead (density 11,3 g/ccm) measured on land of course, it will still weigh over 4,5 kg (over 10 pounds) in the water.
If you want the same downforce in the water, that ist 4,5 kg, you need a lot of rocks. Rocks have a density of about 2 - 2,5 g/ccm, (gravel, sand etc even less) that means, that in the water they weigh only little more than half of what they weigh on land.
Given that the rocks you find have an acceptable shape, to be honest, they won't, it would still not be very comfortable to swim with the amount of rocks (sand or gravel) that is an equivalent of 9 kg (20 pounds) of rocks on land on your belt.
And I am not even talking yet about the rocks not being tight to your body and "working" and scratching on your suit...
just my 0,02 €.
Cheers
Gunnar
