Jacklines for power boats
 

In bad weather and sometimes just to simply be safe sailors use
jacklines. These lines run from the bow down either side of the mast
to a cleat on the stern and he clips himself into this line whenever
he leaves the cockpit. Maybe powerboats need jacklines in case the
boat turns over. The boater would not clip himself to said lines but
would stand on them when he overturns to mostly get himself up onto
the hull. Ought to be easy to rig when weather gets bad. What y'all
think of this?
Another easy piece of survival gear might be a big trash bag in your
pocket. Once you turn over and are wet, being in the water makes you
lose heat far colder than being in the cold air simply due to thermal
conduction in the water vs air. You feel colder in the air but you
lose heat faster in the water. So, once you hoist yourself onto your
"Jacklines", pull out your trashbag, poke arms and head holes and you
have something to trap body heat and protect yourself from wind. Yes,
this really does work, it once saved my life when trapped in a cave at
the bottom of a waterfall for 6 hours.

Jacklines for power boats
 

"Frogwatch" wrote in message
...
In bad weather and sometimes just to simply be safe sailors use
jacklines. These lines run from the bow down either side of the mast
to a cleat on the stern and he clips himself into this line whenever
he leaves the cockpit. Maybe powerboats need jacklines in case the
boat turns over. The boater would not clip himself to said lines but
would stand on them when he overturns to mostly get himself up onto
the hull. Ought to be easy to rig when weather gets bad. What y'all
think of this?
Another easy piece of survival gear might be a big trash bag in your
pocket. Once you turn over and are wet, being in the water makes you
lose heat far colder than being in the cold air simply due to thermal
conduction in the water vs air. You feel colder in the air but you
lose heat faster in the water. So, once you hoist yourself onto your
"Jacklines", pull out your trashbag, poke arms and head holes and you
have something to trap body heat and protect yourself from wind. Yes,
this really does work, it once saved my life when trapped in a cave at
the bottom of a waterfall for 6 hours.

That garbage bag 'raincoat' is an old cub scout trick. believe it was in the
manuals.

Jacklines for power boats
 

On Mar 3, 9:24 pm, "Don White" wrote:
"Frogwatch" wrote in message

...



In bad weather and sometimes just to simply be safe sailors use
jacklines. These lines run from the bow down either side of the mast
to a cleat on the stern and he clips himself into this line whenever
he leaves the cockpit. Maybe powerboats need jacklines in case the
boat turns over. The boater would not clip himself to said lines but
would stand on them when he overturns to mostly get himself up onto
the hull. Ought to be easy to rig when weather gets bad. What y'all
think of this?
Another easy piece of survival gear might be a big trash bag in your
pocket. Once you turn over and are wet, being in the water makes you
lose heat far colder than being in the cold air simply due to thermal
conduction in the water vs air. You feel colder in the air but you
lose heat faster in the water. So, once you hoist yourself onto your
"Jacklines", pull out your trashbag, poke arms and head holes and you
have something to trap body heat and protect yourself from wind. Yes,
this really does work, it once saved my life when trapped in a cave at
the bottom of a waterfall for 6 hours.

That garbage bag 'raincoat' is an old cub scout trick. believe it was in the
manuals.

Well, it works.

Jacklines for power boats
 

Frogwatch wrote:
On Mar 3, 9:24 pm, "Don White" wrote:
"Frogwatch" wrote in message

...



In bad weather and sometimes just to simply be safe sailors use
jacklines. These lines run from the bow down either side of the mast
to a cleat on the stern and he clips himself into this line whenever
he leaves the cockpit. Maybe powerboats need jacklines in case the
boat turns over. The boater would not clip himself to said lines but
would stand on them when he overturns to mostly get himself up onto
the hull. Ought to be easy to rig when weather gets bad. What y'all
think of this?
Another easy piece of survival gear might be a big trash bag in your
pocket. Once you turn over and are wet, being in the water makes you
lose heat far colder than being in the cold air simply due to thermal
conduction in the water vs air. You feel colder in the air but you
lose heat faster in the water. So, once you hoist yourself onto your
"Jacklines", pull out your trashbag, poke arms and head holes and you
have something to trap body heat and protect yourself from wind. Yes,
this really does work, it once saved my life when trapped in a cave at
the bottom of a waterfall for 6 hours.
That garbage bag 'raincoat' is an old cub scout trick. believe it was in the
manuals.

Well, it works.

I'll bet you use recycled trash bags... :)

Jacklines for power boats
 

On Mar 3, 10:44 pm, HK wrote:
Frogwatch wrote:
On Mar 3, 9:24 pm, "Don White" wrote:
"Frogwatch" wrote in message

...

In bad weather and sometimes just to simply be safe sailors use
jacklines. These lines run from the bow down either side of the mast
to a cleat on the stern and he clips himself into this line whenever
he leaves the cockpit. Maybe powerboats need jacklines in case the
boat turns over. The boater would not clip himself to said lines but
would stand on them when he overturns to mostly get himself up onto
the hull. Ought to be easy to rig when weather gets bad. What y'all
think of this?
Another easy piece of survival gear might be a big trash bag in your
pocket. Once you turn over and are wet, being in the water makes you
lose heat far colder than being in the cold air simply due to thermal
conduction in the water vs air. You feel colder in the air but you
lose heat faster in the water. So, once you hoist yourself onto your
"Jacklines", pull out your trashbag, poke arms and head holes and you
have something to trap body heat and protect yourself from wind. Yes,
this really does work, it once saved my life when trapped in a cave at
the bottom of a waterfall for 6 hours.
That garbage bag 'raincoat' is an old cub scout trick. believe it was in the
manuals.

Well, it works.

I'll bet you use recycled trash bags... :)

On a caving trip another time, it was drizzling cold rain and I forgot
my rain coat so I pulled the trash bag outa my helmet and put it on.
A friend took a pic of me standing there wearing a trash bag with a
cup of coffee in hand looking ridiculous. My kids look at the pic now
and nearly die laughing but I still think it made perfect sense at the
time.
HK, what do you think of the jackline idea?.

Jacklines for power boats
 

On Tue, 3 Mar 2009 19:57:02 -0800 (PST), Frogwatch
wrote:



On a caving trip another time, it was drizzling cold rain and I forgot
my rain coat so I pulled the trash bag outa my helmet and put it on.
A friend took a pic of me standing there wearing a trash bag with a
cup of coffee in hand looking ridiculous. My kids look at the pic now
and nearly die laughing but I still think it made perfect sense at the
time.

Used to find thin "disposable" hooded ponchos pretty cheap.
Better than a garbage bag.

--Vic

Jacklines for power boats
 

Frogwatch wrote:
On Mar 3, 10:44 pm, HK wrote:
Frogwatch wrote:
On Mar 3, 9:24 pm, "Don White" wrote:
"Frogwatch" wrote in message
...
In bad weather and sometimes just to simply be safe sailors use
jacklines. These lines run from the bow down either side of the mast
to a cleat on the stern and he clips himself into this line whenever
he leaves the cockpit. Maybe powerboats need jacklines in case the
boat turns over. The boater would not clip himself to said lines but
would stand on them when he overturns to mostly get himself up onto
the hull. Ought to be easy to rig when weather gets bad. What y'all
think of this?
Another easy piece of survival gear might be a big trash bag in your
pocket. Once you turn over and are wet, being in the water makes you
lose heat far colder than being in the cold air simply due to thermal
conduction in the water vs air. You feel colder in the air but you
lose heat faster in the water. So, once you hoist yourself onto your
"Jacklines", pull out your trashbag, poke arms and head holes and you
have something to trap body heat and protect yourself from wind. Yes,
this really does work, it once saved my life when trapped in a cave at
the bottom of a waterfall for 6 hours.
That garbage bag 'raincoat' is an old cub scout trick. believe it was in the
manuals.
Well, it works.
I'll bet you use recycled trash bags... :)

On a caving trip another time, it was drizzling cold rain and I forgot
my rain coat so I pulled the trash bag outa my helmet and put it on.
A friend took a pic of me standing there wearing a trash bag with a
cup of coffee in hand looking ridiculous. My kids look at the pic now
and nearly die laughing but I still think it made perfect sense at the
time.
HK, what do you think of the jackline idea?.


I've been using what you call "jacklines" for years. Maybe 50 years.

Jacklines for power boats
 

On Mar 3, 11:07 pm, HK wrote:
Frogwatch wrote:
On Mar 3, 10:44 pm, HK wrote:
Frogwatch wrote:
On Mar 3, 9:24 pm, "Don White" wrote:
"Frogwatch" wrote in message
...
In bad weather and sometimes just to simply be safe sailors use
jacklines. These lines run from the bow down either side of the mast
to a cleat on the stern and he clips himself into this line whenever
he leaves the cockpit. Maybe powerboats need jacklines in case the
boat turns over. The boater would not clip himself to said lines but
would stand on them when he overturns to mostly get himself up onto
the hull. Ought to be easy to rig when weather gets bad. What y'all
think of this?
Another easy piece of survival gear might be a big trash bag in your
pocket. Once you turn over and are wet, being in the water makes you
lose heat far colder than being in the cold air simply due to thermal
conduction in the water vs air. You feel colder in the air but you
lose heat faster in the water. So, once you hoist yourself onto your
"Jacklines", pull out your trashbag, poke arms and head holes and you
have something to trap body heat and protect yourself from wind. Yes,
this really does work, it once saved my life when trapped in a cave at
the bottom of a waterfall for 6 hours.
That garbage bag 'raincoat' is an old cub scout trick. believe it was in the
manuals.
Well, it works.
I'll bet you use recycled trash bags... :)

On a caving trip another time, it was drizzling cold rain and I forgot
my rain coat so I pulled the trash bag outa my helmet and put it on.
A friend took a pic of me standing there wearing a trash bag with a
cup of coffee in hand looking ridiculous. My kids look at the pic now
and nearly die laughing but I still think it made perfect sense at the
time.
HK, what do you think of the jackline idea?.

I've been using what you call "jacklines" for years. Maybe 50 years.

Any reasonable thoughts on strategies for such conditions to avoid
turning over? Any thoughts on design of a boat to minimize such?

Jacklines for power boats
 

On Tue, 3 Mar 2009 20:18:50 -0800 (PST), Frogwatch
wrote:

Any reasonable thoughts on strategies for such conditions to avoid
turning over? Any thoughts on design of a boat to minimize such?

Naval architects have theorized, confirmed by testing, that *any* boat
can be capsized by a wave of the right size and shape. There are
screening formulas that you can search for, but as an approximation, a
steep breaking wave with a height of slightly more than half a boat's
maximum width (beam), can cause a capsize. Large Bertram
sportfishing boats have been capsized, 120 ft Alaskan fishing boats
have been capsized, heavily ballasted keel boats have been capsized,
and many, many others. In other words no boat can be considered
totally safe in extreme conditions, and small boats become unsafe very
quickly. The coast guard has rescue boats that are designed to
survive capsize by virtue of rugged water tight design, heavy
ballasting, and carefully designed mechanical systems. They can
survive capsize but can not totally prevent it.

Jacklines for power boats
 

On Tue, 03 Mar 2009 23:46:42 -0500, Wayne.B
wrote:

On Tue, 3 Mar 2009 20:18:50 -0800 (PST), Frogwatch
wrote:

Any reasonable thoughts on strategies for such conditions to avoid
turning over? Any thoughts on design of a boat to minimize such?

Naval architects have theorized, confirmed by testing, that *any* boat
can be capsized by a wave of the right size and shape. There are
screening formulas that you can search for, but as an approximation, a
steep breaking wave with a height of slightly more than half a boat's
maximum width (beam), can cause a capsize. Large Bertram
sportfishing boats have been capsized, 120 ft Alaskan fishing boats
have been capsized, heavily ballasted keel boats have been capsized,
and many, many others. In other words no boat can be considered
totally safe in extreme conditions, and small boats become unsafe very
quickly. The coast guard has rescue boats that are designed to
survive capsize by virtue of rugged water tight design, heavy
ballasting, and carefully designed mechanical systems. They can
survive capsize but can not totally prevent it.

There was actually the possibility of righting that Everglades if they
had been prepared for that. No reason they should be, but with 4
strong heavy guys and the right technique and gear it was a
possibility.
Then they'd face the issue of bailing without rolling it again in
heavy seas.
I read once of a guy who got pretty good at righting his bigger racing
multi-hull with a little powerboat assistance.
All Monday morning quarterbacking now. What a shame they couldn't
all stay with that boat.

--Vic