[bolger] Re: "Cold Casting Keels"
I'm a bit skeptical of the numbers that have been thrown around about
epoxy and lead spheres. Here's why:
If you take a sphere in a cube, it takes up about 52% of the volume of
the cube. In real life you can stack them closer than you can stack
cubes but let's assume you can't and that they take up 52% or the space.
You can mix in some much smaller spheres to take up half of the
remaining space. Voila, 75%. I'll bet if you could get a bunch of
different sizes you could do even better. Then it becomes a question of
how you get the epoxy in. This is probably not going to be very strong
compared to solid lead, though.
If you go to a lead supply place you can probably get round lead (wire?)
which we used to use in oceanographic buoys. This would be close to 75%
right off the bat. With the correct pair of sizes you could really do
well. This stuff is pretty easy to handle, too, but I don't remember
what it costs. Seem to remember an outfit called Nuclear Metals????
(Usually sold for shielding, not actually hot.)
I'd do the math on various kinds of stacking but i'm tired.
Real way is to mug about 5,000 dart players or find about 1,000,000,000
dead light bulbs and use the tungsten.....
epoxy and lead spheres. Here's why:
If you take a sphere in a cube, it takes up about 52% of the volume of
the cube. In real life you can stack them closer than you can stack
cubes but let's assume you can't and that they take up 52% or the space.
You can mix in some much smaller spheres to take up half of the
remaining space. Voila, 75%. I'll bet if you could get a bunch of
different sizes you could do even better. Then it becomes a question of
how you get the epoxy in. This is probably not going to be very strong
compared to solid lead, though.
If you go to a lead supply place you can probably get round lead (wire?)
which we used to use in oceanographic buoys. This would be close to 75%
right off the bat. With the correct pair of sizes you could really do
well. This stuff is pretty easy to handle, too, but I don't remember
what it costs. Seem to remember an outfit called Nuclear Metals????
(Usually sold for shielding, not actually hot.)
I'd do the math on various kinds of stacking but i'm tired.
Real way is to mug about 5,000 dart players or find about 1,000,000,000
dead light bulbs and use the tungsten.....