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Michel
Joined: 10 Jan 2006
Posts: 966
Location: Norway
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 Posted: Fri Aug 04, 2006 4:27 am Post subject: SV: Survival at sea. |
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| Quote: | From: John King [kingjohne(at)adelphia.net]
Use lots of ping pong balls. They add very little weight and can be stuffed in a lot of small places.
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You know, John, I am old and my memory is failing me, but I am sure I read, many, many years ago, about ping pong balls in aircraft wings. Was it in British aircraft during WWII? When they landed on the makeshift runway, across the flat land leading to the rock of Gibraltar? Or am I mixing everything? But I am sure I read about ping pong balls earlier.
One thing is for sure, it doesn't have to be resistant to high pressure. When I e.g. remove the sensor of the log (speedometer) of my sailboat, at the bottom of the keel, there is hardly any pressure and I can hold it with my hand. You have to go down to 10 meters to double the surface pressure (2 atmospheres).
Cheers,
Michel
do not archive
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kingjohne(at)adelphia.net
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| Posted: Sun Aug 06, 2006 8:05 am Post subject: SV: Survival at sea. |
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Michel,
My reference was just a few years ago when an ultralight flew from South America up the Caribbean Islands to the U.S.A.
| Quote: | --
John King
Warrenton, VA |
Michel Verheughe wrote:
| Quote: | | Quote: | | Quote: | From: John King [kingjohne(at)adelphia.net (kingjohne(at)adelphia.net)]
Use lots of ping pong balls. They add very little weight and can be stuffed in a lot of small places.
|
You know, John, I am old and my memory is failing me, but I am sure I read, many, many years ago, about ping pong balls in aircraft wings. Was it in British aircraft during WWII? When they landed on the makeshift runway, across the flat land leading to the rock of Gibraltar? Or am I mixing everything? But I am sure I read about ping pong balls earlier.
One thing is for sure, it doesn't have to be resistant to high pressure. When I e.g. remove the sensor of the log (speedometer) of my sailboat, at the bottom of the keel, there is hardly any pressure and I can hold it with my hand. You have to go down to 10 meters to double the surface pressure (2 atmospheres).
Cheers,
Michel
do not archive
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http://www.matronics.com/Navigator?Kitfox-List |
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