BoatBanter.com

BoatBanter.com (https://www.boatbanter.com/)
-   Cruising (https://www.boatbanter.com/cruising/)
-   -   emergency water pump - recommendation (https://www.boatbanter.com/cruising/73726-emergency-water-pump-recommendation.html)

Courtney Thomas September 7th 06 02:15 AM

emergency water pump - recommendation
 
What minimum capacity water pump and power source is recommended for
emergency use
for a cruiser with a typical 35' monohull ?

Appreciatively,
Courtney



Bob September 7th 06 02:23 AM

emergency water pump - recommendation
 

Courtney Thomas wrote:
What minimum capacity water pump and power source is recommended for
emergency use
for a cruiser with a typical 35' monohull ?

Appreciatively,
Courtney



I have a:

30 gusher hand pump 1.5" discharge
3000 gpm 12vdc 1.5 discharge
750 gpm 12vdc 3/4" discharge

BUCKET!

plan on getting a portable 11/2" or 2" trash pump diesel powered air
cooled for when I need a real pump.


Brian Whatcott September 7th 06 03:23 AM

emergency water pump - recommendation
 
On 6 Sep 2006 18:23:54 -0700, "Bob" wrote:

I have a:

3000 gpm 12vdc 1.5 discharge
750 gpm 12vdc 3/4" discharge

///

No you don't! :-)

Brian Whatcott Altus OK

Bob September 7th 06 03:47 AM

emergency water pump - recommendation
 

Brian Whatcott wrote:
On 6 Sep 2006 18:23:54 -0700, "Bob" wrote:

I have a:

3000 gpm 12vdc 1.5 discharge
750 gpm 12vdc 3/4" discharge

///

No you don't! :-)

Brian Whatcott Altus OK



Okay, ya got me on that one...............

How about Model number "3000 gph." Athough gallions per day might be
closer.

You got good eyes!

but dont I get points for the 2" trash pump for the time when I
actually need a pump?? Or maybe place a salvors lien on somebodies
boat?

Been Schooled
Bob


PS Oh, and Brian thanks again for the MS strength info. I descided to
go with a 5/16" MS. I did not realize that a 1/4" 316 MS had such a low
SWL.


krj September 7th 06 03:47 AM

emergency water pump - recommendation
 
Bob wrote:
Courtney Thomas wrote:

What minimum capacity water pump and power source is recommended for
emergency use
for a cruiser with a typical 35' monohull ?

Appreciatively,
Courtney




I have a:

30 gusher hand pump 1.5" discharge
3000 gpm 12vdc 1.5 discharge
750 gpm 12vdc 3/4" discharge

BUCKET!

plan on getting a portable 11/2" or 2" trash pump diesel powered air
cooled for when I need a real pump.

3000 gallons per minute? You could empty an entire swimming pool in 8
minutes.
krj

Dennis Pogson September 7th 06 09:51 AM

emergency water pump - recommendation
 
Courtney Thomas wrote:
What minimum capacity water pump and power source is recommended for
emergency use
for a cruiser with a typical 35' monohull ?

Appreciatively,
Courtney


A frightened man with a bucket will beat any electric pump hands down.



Jonathan Ganz September 7th 06 07:46 PM

emergency water pump - recommendation
 
In article ,
Dennis Pogson wrote:
Courtney Thomas wrote:
What minimum capacity water pump and power source is recommended for
emergency use
for a cruiser with a typical 35' monohull ?

Appreciatively,
Courtney


A frightened man with a bucket will beat any electric pump hands down.


Now that's funny!


--
Capt. JG @@
www.sailnow.com



Bill Kearney September 7th 06 08:26 PM

emergency water pump - recommendation
 
A frightened man with a bucket will beat any electric pump hands down.

No ****, during a torrential downpour earlier this year I cleared a good
three feet of water from the well of our basement stairway in what must've
been RECORD time. Five gallons at a time and facing water damage to a lot
of furniture really motivates you to BAIL FAST. But in most boats you've
got nowhere near the room needed to get good clearance to scoop and get it
out of the vessel quickly enough.


KLC Lewis September 7th 06 09:40 PM

emergency water pump - recommendation
 

"Bill Kearney" wrote in message
t...
A frightened man with a bucket will beat any electric pump hands down.


No ****, during a torrential downpour earlier this year I cleared a good
three feet of water from the well of our basement stairway in what must've
been RECORD time. Five gallons at a time and facing water damage to a lot
of furniture really motivates you to BAIL FAST. But in most boats you've
got nowhere near the room needed to get good clearance to scoop and get it
out of the vessel quickly enough.


Like the saying goes, "The heart is willing but the fetch is weak." Or
something like that... ;-)



Brian Whatcott September 8th 06 04:26 AM

emergency water pump - recommendation
 
On 6 Sep 2006 19:47:07 -0700, "Bob" wrote:


but dont I get points for the 2" trash pump for the time when I
actually need a pump?? Or maybe place a salvors lien on somebodies
boat?

Been Schooled
Bob


Very, very manly, I'd say. (I even caught myself thinking along those
lines at a [ gasp! ] Harbor Freight store where they were showing a
semi-trash pump that looked pretty mean) :-)

Brian Whatcott Altus OK

2462 September 8th 06 05:45 AM

emergency water pump - recommendation
 
A frightened man with a bucket will beat any electric pump hands
down.


Now that's funny!


I believe I recall reading a test of pumps in a British sailing mag
(PBO?) where this was disproved. Not even close in fact, compared to a
good pump.


Ian Malcolm September 8th 06 10:39 AM

emergency water pump - recommendation
 
Brian Whatcott wrote:

On 6 Sep 2006 19:47:07 -0700, "Bob" wrote:



but dont I get points for the 2" trash pump for the time when I
actually need a pump?? Or maybe place a salvors lien on somebodies
boat?

Been Schooled
Bob



Very, very manly, I'd say. (I even caught myself thinking along those
lines at a [ gasp! ] Harbor Freight store where they were showing a
semi-trash pump that looked pretty mean) :-)

Brian Whatcott Altus OK


How about upwards of 900 gpm (yes I do mean over 50000 gph)?

http://www.pump-zone.com/article.php?id=223

Its engine driven and clamps round your prop shaft, acting as a bilge
blower (or rather sucker) untill the water gets up to its intake :-)


--
Ian Malcolm. London, ENGLAND. (NEWSGROUP REPLY PREFERRED)
ianm[at]the[dash]malcolms[dot]freeserve[dot]co[dot]uk
[at]=@, [dash]=- & [dot]=. *Warning* HTML & 32K emails -- NUL:
'Stingo' Albacore #1554 - 15' Early 60's, Uffa Fox designed,
All varnished hot moulded wooden racing dinghy.

Roger Long September 8th 06 12:11 PM

emergency water pump - recommendation
 
"Ian Malcolm" wrote
Brian Whatcott Altus OK


How about upwards of 900 gpm (yes I do mean over 50000 gph)?

http://www.pump-zone.com/article.php?id=223

Its engine driven and clamps round your prop shaft, acting as a
bilge blower (or rather sucker) untill the water gets up to its
intake :-)


This has got to be right at the top of my "Damn, I wish I'd thought of
that - ten coolest boat equipment ideas" for the last few years.

I wish I had more than 7/8" between my coupling and my stuffing box:(

--

Roger Long






Don W September 8th 06 02:13 PM

emergency water pump - recommendation
 
Hi Ian,

I've been looking for something exactly like the
pump in your post. In an emergency, it seems
silly to have a 27HP diesel motor with 70+ gallons
of fuel sitting by doing nothing while the boat
sinks.

Of course, its going to take a little more than
the average bilge pump hose and through hole to
handle that sucker when it starts pumping.
Something like the 2" diameter hose that handles
my engine exhaust.

Before seeing that article, I'd considered slaving
a hydraulic pump to the front of the diesel, and
powering a trash pump with a hydraulic motor. Of
course, the hydraulic pump does give you some more
options as well, such as powering a scuba
compressor, or 110V AC generator with hydraulic
motors as well as powering an emergency pump.
I'll have to think about that some more.

Don W.

Ian Malcolm wrote:

How about upwards of 900 gpm (yes I do mean over 50000 gph)?

http://www.pump-zone.com/article.php?id=223

Its engine driven and clamps round your prop shaft, acting as a bilge
blower (or rather sucker) untill the water gets up to its intake :-)




Bill Kearney September 9th 06 04:19 PM

emergency water pump - recommendation
 
Its engine driven and clamps round your prop shaft, acting as a bilge
blower (or rather sucker) untill the water gets up to its intake :-)


If you're really screwed then shut off the seacock and cut the raw water
intake hose to the engine. Use that to pull water from the bilge, through
the engine and out the exhaust manifold.


Roger Long September 9th 06 05:08 PM

emergency water pump - recommendation
 
Then a little bit of something floating around in the bilge goes into
you pump impeller and you have an unpowered sinking boat instead of a
powered sinking one. Great.

Besides, a raw water pump doesn't have a fraction the capacity of this
rig.

--

Roger Long



"Bill Kearney" wrote in message
t...
Its engine driven and clamps round your prop shaft, acting as a
bilge
blower (or rather sucker) untill the water gets up to its intake
:-)


If you're really screwed then shut off the seacock and cut the raw
water
intake hose to the engine. Use that to pull water from the bilge,
through
the engine and out the exhaust manifold.




Brian Whatcott September 9th 06 09:44 PM

emergency water pump - recommendation
 
On Fri, 08 Sep 2006 10:39:26 +0100, Ian Malcolm
wrote:

Brian Whatcott wrote:

On 6 Sep 2006 19:47:07 -0700, "Bob" wrote:



but dont I get points for the 2" trash pump for the time when I
actually need a pump?? Or maybe place a salvors lien on somebodies
boat?

Been Schooled
Bob



Very, very manly, I'd say. (I even caught myself thinking along those
lines at a [ gasp! ] Harbor Freight store where they were showing a
semi-trash pump that looked pretty mean) :-)

Brian Whatcott Altus OK


How about upwards of 900 gpm (yes I do mean over 50000 gph)?

http://www.pump-zone.com/article.php?id=223

Its engine driven and clamps round your prop shaft, acting as a bilge
blower (or rather sucker) untill the water gets up to its intake :-)


Oh yes! Reminds me of that scrap yard builders series on TV:
the objective was to build a fire boat capable of dousing a flaming
building on the far side of a lake.
One team decided to use water jet propulsion as well as for dousing
the flames. They started with a brake drum, and welded on three vanes
for the impeller, and cased it to a hose.
Centrifugal impellors can take plenty of abuse, and absorb lots of
power.

Brian Whatcott Altus OK

Larry September 11th 06 02:43 AM

emergency water pump - recommendation
 
Brian Whatcott wrote in
:

Centrifugal impellors can take plenty of abuse, and absorb lots of
power.


One of my friends likes to bid on government surplus junk.

One of the surplus flyers he gets had a "portable fire pump" in nearly
new, operable condition for bid. He didn't bother with the fine print,
thinking it was a "Handy Billy" or one of the Navy's sailor-carried
portable pumps that might be handy around the place.

They called him from the Supply Center and asked him to come pick up his
pump. So, he took his truck down and nearly couldn't bring it home! It
was a portable pump, allright. With a 4-wheel trailer! There was a 8V92
Detroit Diesel Two-stroker hooked to this gawd-awful-big pump that fed a
firehose manifold with EIGHT outlets of various sizes. It also came with
4 firehoses and a huge suction hose with big screen filter on the bottom
to throw into the lake. It even had diesel fuel in the tank and had just
been serviced.

We took it to the lake boat landing just to see if it worked.....(c;

His whole neighborhood could be in flames and he'd have it put out in
just a couple of minutes....(c;

He paid $800. The next bidder bid $400 and that was all. Some fire
department in Ohio called him to ask if he'd sell it to them for $5000.
After a bit of dickering, he got $8K for it....not bad for one trip to
the base.

Make a helluva bilge pump....or JET DRIVE!



--
There's amazing intelligence in the Universe.
You can tell because none of them ever called Earth.

Bill Kearney September 13th 06 02:57 PM

emergency water pump - recommendation
 
Then a little bit of something floating around in the bilge goes into
you pump impeller and you have an unpowered sinking boat instead of a
powered sinking one. Great.


If you're screwed, you're screwed. Powered or not.

Besides, a raw water pump doesn't have a fraction the capacity of this
rig.


No argument there. But then nor does it have the constant horsepower drain
that pump incurs.



Roger Long September 13th 06 03:11 PM

emergency water pump - recommendation
 
"Bill Kearney" wrote

If you're screwed, you're screwed. Powered or not.


Not at all (speaking as a long time researcher of marine accidents,
currently, the Titanic).

Running aground to avoid sinking and buy time to control flooding is a
time honored technique that has saved many vessels.

When a vessel becomes severely flooded, loss of stability and capsize
become a primary danger. The ability to control attitude in seas to
diminish the probability of capsize can be a life or death issue.

No argument there. But then nor does it have the constant
horsepower drain
that pump incurs.


The beauty of that system is the very low horsepower drain. When
functioning as a blower, the loss would be insignificant. It isn't
going to be a very effective blower at shaft rpm speeds but it should
keep a constant, very low, flow going.


--

Roger Long





KLC Lewis September 13th 06 03:42 PM

emergency water pump - recommendation
 

"Bill Kearney" wrote in message
t...
Then a little bit of something floating around in the bilge goes into
you pump impeller and you have an unpowered sinking boat instead of a
powered sinking one. Great.


If you're screwed, you're screwed. Powered or not.

Besides, a raw water pump doesn't have a fraction the capacity of this
rig.


No argument there. But then nor does it have the constant horsepower
drain
that pump incurs.



But if flooding of a major nature is happening, a pump that can keep up with
it is more important than moving, otherwise movement will have a decidedly
downward trend.



Harbin Osteen September 14th 06 09:25 AM

emergency water pump - recommendation
 
Inflatable Bladders?


"Bill Kearney" wrote in message t...
Then a little bit of something floating around in the bilge goes into
you pump impeller and you have an unpowered sinking boat instead of a
powered sinking one. Great.


If you're screwed, you're screwed. Powered or not.

Besides, a raw water pump doesn't have a fraction the capacity of this
rig.


No argument there. But then nor does it have the constant horsepower drain
that pump incurs.






All times are GMT +1. The time now is 10:40 PM.

Powered by vBulletin® Copyright ©2000 - 2025, Jelsoft Enterprises Ltd.
Copyright ©2004 - 2014 BoatBanter.com