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#1
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Ping Pong Balls
Bear with me for a second.
I have been hearing about people using ping pong balls for floatation. However, I can't find anyone who has actually done it. It makes sense in that it will allow water to flow and not trap water in the bilge. They should last a while and certainly easy to install. Anyone have any first hand knowledge of doing this? -- Tailgunner BS#232 |
#2
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Ping Pong Balls
You ever lit off a ping pong ball? They are made of celluloid, a
mixture of nitrocellulose and champhor. It does not take a lot of heat to set them off and they burn like flash paper. A bilge full would make a pretty spectacular fire. Tailgunner wrote: Bear with me for a second. I have been hearing about people using ping pong balls for floatation. However, I can't find anyone who has actually done it. It makes sense in that it will allow water to flow and not trap water in the bilge. They should last a while and certainly easy to install. Anyone have any first hand knowledge of doing this? -- Tailgunner BS#232 -- Glenn Ashmore I'm building a 45' cutter in strip/composite. Watch my progress (or lack there of) at: http://www.rutuonline.com Shameless Commercial Division: http://www.spade-anchor-us.com |
#3
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Ping Pong Balls
I would think more like an explosion in quantity.
"Glenn Ashmore" wrote in message news:2pYFb.10091$JD6.9829@lakeread04... You ever lit off a ping pong ball? They are made of celluloid, a mixture of nitrocellulose and champhor. It does not take a lot of heat to set them off and they burn like flash paper. A bilge full would make a pretty spectacular fire. Tailgunner wrote: Bear with me for a second. I have been hearing about people using ping pong balls for floatation. However, I can't find anyone who has actually done it. It makes sense in that it will allow water to flow and not trap water in the bilge. They should last a while and certainly easy to install. Anyone have any first hand knowledge of doing this? -- Tailgunner BS#232 -- Glenn Ashmore I'm building a 45' cutter in strip/composite. Watch my progress (or lack there of) at: http://www.rutuonline.com Shameless Commercial Division: http://www.spade-anchor-us.com |
#4
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Ping Pong Balls
Glenn Ashmore wrote: You ever lit off a ping pong ball? They are made of celluloid, a mixture of nitrocellulose and champhor. It does not take a lot of heat to set them off and they burn like flash paper. A bilge full would make a pretty spectacular fire. Very good point. Surrounding the fuel tank would make for an even better explosion. Tailgunner wrote: Bear with me for a second. I have been hearing about people using ping pong balls for floatation. However, I can't find anyone who has actually done it. It makes sense in that it will allow water to flow and not trap water in the bilge. They should last a while and certainly easy to install. Anyone have any first hand knowledge of doing this? -- Tailgunner BS#232 -- Glenn Ashmore I'm building a 45' cutter in strip/composite. Watch my progress (or lack there of) at: http://www.rutuonline.com Shameless Commercial Division: http://www.spade-anchor-us.com |
#5
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Ping Pong Balls
Yes: Malcom Campbell used it in one of his BlueBirds, trying to break the
world speed record on the water. I saw the boat with the ping pong balls at the London Boat Show but that was many years ago. Right now we have better products like 2 part foam. To be honest, I did not "see" the ping pong balls, they were inside the boat. -- Jacques http://www.bateau.com "Tailgunner" wrote in message ... Bear with me for a second. I have been hearing about people using ping pong balls for floatation. However, I can't find anyone who has actually done it. It makes sense in that it will allow water to flow and not trap water in the bilge. They should last a while and certainly easy to install. Anyone have any first hand knowledge of doing this? -- Tailgunner BS#232 |
#6
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Ping Pong Balls
Tailgunner wrote:
: I found a place that sells a gross at $20 ($0.07 each). Not much better. I : thought about bottles (free). But the deck would have to be removed to install : them. Next year I am thinking of replacing the deck so maybe. They are : certainly not flammable even with the caps epoxied on. One has to wonder what happens to the bottles if you put them in during a chilly spring day, and then the seasons change and it's a 95 degree Summer day. Or vice versa....if you put them in on a hot day, what happens in September or October. Do the bottles crush some? Does that imact flotation? --- Gregg "Improvise, adapt, overcome." Smithsonian Center for Astrophysics Phone: (617) 496-1558 |
#7
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Ping Pong Balls
At a dime each, it's cost over $100/ft^3. How about plastic beverage
bottles? Tailgunner wrote: Bear with me for a second. I have been hearing about people using ping pong balls for floatation. However, I can't find anyone who has actually done it. It makes sense in that it will allow water to flow and not trap water in the bilge. They should last a while and certainly easy to install. Anyone have any first hand knowledge of doing this? -- Tailgunner BS#232 |
#8
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Ping Pong Balls
Jim Conlin wrote: At a dime each, it's cost over $100/ft^3. How about plastic beverage bottles? I found a place that sells a gross at $20 ($0.07 each). Not much better. I thought about bottles (free). But the deck would have to be removed to install them. Next year I am thinking of replacing the deck so maybe. They are certainly not flammable even with the caps epoxied on. Tailgunner wrote: Bear with me for a second. I have been hearing about people using ping pong balls for floatation. However, I can't find anyone who has actually done it. It makes sense in that it will allow water to flow and not trap water in the bilge. They should last a while and certainly easy to install. Anyone have any first hand knowledge of doing this? -- Tailgunner BS#232 -- Tailgunner BS#232 |
#9
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Ping Pong Balls
Tailgunner wrote:
: Gregg Germain wrote: : Tailgunner wrote: : : : I found a place that sells a gross at $20 ($0.07 each). Not much better. I : : thought about bottles (free). But the deck would have to be removed to install : : them. Next year I am thinking of replacing the deck so maybe. They are : : certainly not flammable even with the caps epoxied on. : : One has to wonder what happens to the bottles if you put them in : during a chilly spring day, and then the seasons change and it's a 95 : degree Summer day. : : Or vice versa....if you put them in on a hot day, what happens in : September or October. Do the bottles crush some? Does that imact : flotation? : Gregg, you're just paying too much attention. 8-) Well you might be right about that ;^) : I honestly don't think it would be that much of a change. Maybe if they were in : direct sunlight they "might" expand. Tell you what, I'll ask one of our scientists : here at work (WHOI) and see what they think and report back. I only ask because I've seen closed, empty plastic bottles puff up in the sunlight. : : : --- Gregg : "Improvise, adapt, overcome." : : Smithsonian Center for Astrophysics : Phone: (617) 496-1558 : : -- : Tailgunner -- --- Gregg "Improvise, adapt, overcome." Smithsonian Center for Astrophysics Phone: (617) 496-1558 |
#10
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Ping Pong Balls
Gregg Germain wrote: Tailgunner wrote: : I found a place that sells a gross at $20 ($0.07 each). Not much better. I : thought about bottles (free). But the deck would have to be removed to install : them. Next year I am thinking of replacing the deck so maybe. They are : certainly not flammable even with the caps epoxied on. One has to wonder what happens to the bottles if you put them in during a chilly spring day, and then the seasons change and it's a 95 degree Summer day. Or vice versa....if you put them in on a hot day, what happens in September or October. Do the bottles crush some? Does that imact flotation? Gregg, you're just paying too much attention. 8-) I honestly don't think it would be that much of a change. Maybe if they were in direct sunlight they "might" expand. Tell you what, I'll ask one of our scientists here at work (WHOI) and see what they think and report back. --- Gregg "Improvise, adapt, overcome." Smithsonian Center for Astrophysics Phone: (617) 496-1558 -- Tailgunner |
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