An amphibian that sank?

"Flyingmonk" wrote in message
ups.com...
http://www.divingservices.net/aircraft.jpg
http://www.divingservices.net/9bcess2.jpg

Anyone have the story behind this? Strange that a plane designed to
float, sank!

You might be surprised how many recreational boats sink. There are dozens
of thing that can happen. Most common are drain plug left out/loose, seals
or hoses leaking and slowly filling the boat.
--
Jim in NC

The only unsinkable boat I know about is the Boston Whaler
www.whaler.com which is made of two fiberglass shells bonded
together with the inside filled 100% with foamed in-place
resin that makes it one solid boat. They even can be cut
into sections and the still get you to shore with dry feet.

But aluminum floats don't work well with foam inside because
of corrosion between the foam and metal. A better solution
is to fill the compartments with ping-pong balls. They
displace water, don't weigh too much and can be removed for
inspection and corrosion control.


--
James H. Macklin
ATP,CFI,A&P

--
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"Morgans" wrote in message
...
|
| "Flyingmonk" wrote in message
|
ups.com...
| http://www.divingservices.net/aircraft.jpg
| http://www.divingservices.net/9bcess2.jpg
|
| Anyone have the story behind this? Strange that a plane
designed to
| float, sank!
|
| You might be surprised how many recreational boats sink.
There are dozens
| of thing that can happen. Most common are drain plug left
out/loose, seals
| or hoses leaking and slowly filling the boat.
| --
| Jim in NC
|

The only unsinkable boat I know about is the Boston Whaler
www.whaler.com which is made of two fiberglass shells bonded
together with the inside filled 100% with foamed in-place
resin that makes it one solid boat. They even can be cut
into sections and the still get you to shore with dry feet.

But aluminum floats don't work well with foam inside because
of corrosion between the foam and metal. A better solution
is to fill the compartments with ping-pong balls. They
displace water, don't weigh too much and can be removed for
inspection and corrosion control.


--
James H. Macklin
ATP,CFI,A&P

Some of the small sail boats also have foam filled compartments with the
same effect. The name MacGreggor comes to mind from years ago, and there
are probably others by now.

Peter

"Peter Dohm" wrote:
Some of the small sail boats also have foam filled compartments with the
same effect. The name MacGreggor comes to mind from years ago, and there
are probably others by now.

Barf. Never use "MacGregor" and "sailboat" in the same sentence. They are
the most butt-ugly things in the universe.

"Roy Smith" wrote in message
...
"Peter Dohm" wrote:
Some of the small sail boats also have foam filled compartments with the
same effect. The name MacGreggor comes to mind from years ago, and
there
are probably others by now.

Barf. Never use "MacGregor" and "sailboat" in the same sentence. They
are
the most butt-ugly things in the universe.

They actually did have a replica of a 19th century pilot boat that I thought
was sort of neat, if less than practical, and commercially it was a dismal
failure. But I really don't like most of their competitors boats very much
either.

Peter

Roy Smith wrote
Barf. Never use "MacGregor" and "sailboat" in the same sentence.
They are the most butt-ugly things in the universe.

But were not always so. I owned a 1976 MacGregor "Venture 25" that
was a very attractive small boat very similiar in appearance to the
O'Days and Catalinas of the same size.

Bob Moore

Jim Macklin wrote:

A better solution
is to fill the compartments with ping-pong balls. They
displace water, don't weigh too much and can be removed for
inspection and corrosion control.



Didn't the "Myth Busters" sink a boat and try to float it again by
filling it with ping-pong balls? If I remember right something on the
boat broke, and all the ping-pong balls spilled out.


--
Chris W
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Chris W wrote:
Jim Macklin wrote:

A better solution is to fill the compartments with ping-pong balls.
They displace water, don't weigh too much and can be removed for
inspection and corrosion control.



Didn't the "Myth Busters" sink a boat and try to float it again by
filling it with ping-pong balls? If I remember right something on the
boat broke, and all the ping-pong balls spilled out.

They did that experiment on a sailboat they had sunk and it did in fact
bring the sailboat back to the surface.

"Newps" wrote in message
...


Chris W wrote:
Jim Macklin wrote:

A better solution is to fill the compartments with ping-pong balls. They
displace water, don't weigh too much and can be removed for inspection
and corrosion control.


Didn't the "Myth Busters" sink a boat and try to float it again by
filling it with ping-pong balls? If I remember right something on the
boat broke, and all the ping-pong balls spilled out.

They did that experiment on a sailboat they had sunk and it did in fact
bring the sailboat back to the surface.

Well I remember from my younger days when canoe swamps not to worry about
it. We did a test of our own back then. We swamped it so the canoe was
completely filled with water, but upright. Then we started sending people
out there to hang on the side rail and use the canoe to keep their heads out
of the water. We wanted to know how many people it would take to send it to
the bottom, but we never found out. We ran out of space on the side rails
for more people to grab.

Now I strongly suspect that it would difficult if not impossible to do the
same thing with an anphib. They are designed to fly not swamp.

"Chris W" wrote

Didn't the "Myth Busters" sink a boat and try to float it again by filling
it with ping-pong balls? If I remember right something on the boat broke,
and all the ping-pong balls spilled out.

Yep, a hatch gave way, but they screwed a piece of plywood on it, and then
brought to the surface.
--
Jim in NC