Posted by macks011 (macks04@…>)
I am not satisfied with the existing bilge pump system in my 36. It
consists of a manual Whale Gusher, operated from a lever in the
cockpit, with a 1.5" intake and outflow to a thru hull low by the
transom and a Rule 800 on an auto switch with a 3/4" outflow to a
thru hull high on the topsides.
Improving the outflow from the Rule Auto is not an option and a
larger pump pushing more water thru the 3/4" out flow won’t do
anything. I am considering keeping the small Rule in place and:
1: Removing the Whale gusher and installing a large auto switched
bilge pump to the existing manual pump thruhull.
2: Installing a check valve on the manual pump intake foot and Wye
in the large pump outlet after that and push the outlet water thru
the manual pump.
3: Remove the manual pump intake foot and use the large auto
switched centrifigal as the intake for the manual pump and push the
water thru the manual pump.
I would appreciate your comments and suggestions.
Posted by Lorman, Alvin J. (ajlorman@…>)
Don Casey, in an article posted on BoatUS (I think), suggests using a small pump with a check valve for regular use and having a much larger pump, mounted a bit higher in the bilge, for emergencies.
Al Lorman
F30 Ab Initio
-----Original Message-----From: freedomyachts2003@yahoogroups.com [mailto:freedomyachts2003@yahoogroups.com] On Behalf Of macks011Sent: Thursday, February 16, 2006 8:24 AMTo: freedomyachts2003@yahoogroups.comSubject: [freedomyachts2003] Bilge PumpsI am not satisfied with the existing bilge pump system in my 36. It consists of a manual Whale Gusher, operated from a lever in the cockpit, with a 1.5" intake and outflow to a thru hull low by the transom and a Rule 800 on an auto switch with a 3/4" outflow to a thru hull high on the topsides.Improving the outflow from the Rule Auto is not an option and a larger pump pushing more water thru the 3/4" out flow won’t do anything. I am considering keeping the small Rule in place and:1: Removing the Whale gusher and installing a large auto switched bilge pump to the existing manual pump thruhull.2: Installing a check valve on the manual pump intake foot and Wye in the large pump outlet after that and push the outlet water thru the manual pump.3: Remove the manual pump intake foot and use the large auto switched centrifigal as the intake for the manual pump and push the water thru the manual pump.I would appreciate your comments and suggestions.
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Posted by jerry_magic1 (jerry_magic1@…>)
– “macks011” wrote:
(snip)
I am considering keeping the small Rule in place and:
1: Removing the Whale gusher and installing a large auto switched
bilge pump to the existing manual pump thruhull.
2: Installing a check valve on the manual pump intake foot and Wye
in the large pump outlet after that and push the outlet water thru
the manual pump.
3: Remove the manual pump intake foot and use the large auto
switched centrifigal as the intake for the manual pump and push the
water thru the manual pump.
I would appreciate your comments and suggestions.
Can’t fault your plan. It sounds pretty good. Will tell you what I
did, which might give you some additional water evacuation capabilty:
Left the 800 rule in place as you did, electrically tied to battery
bank #1.
Added 1000 gph pump with a switch at a higher level in the bilge,
electrically tied to battery bank #2 with an ear piercing audible
alarm in parallel that can be switched off while the pump is still
operating.
The output of the second pump was spliced into the shower sump output
line with one way valves so Ican still use the shower sump without
dumping the grey water into the main bilge.
Of course I still have the manual pump operated from the cockpit.
Posted by Norm Friberg (nfriberg@…>)
My experience with emergencies is limited, but i can forsee circumstances where you might be happy to have a high-capacity manual pump installed as a backup to the automatic pump or pumps.
Norm
S/V Freyja, F40 C/K
----- Original Message -----
From: jerry_magic1
To: freedomyachts2003@yahoogroups.com
Sent: Thursday, February 16, 2006 11:42 AM
Subject: [freedomyachts2003] Re: Bilge Pumps
– “macks011” wrote:(snip)> I am considering keeping the small Rule in place and: > 1: Removing the Whale gusher and installing a large auto switched > bilge pump to the existing manual pump thruhull.> 2: Installing a check valve on the manual pump intake foot and Wye > in the large pump outlet after that and push the outlet water thru > the manual pump. > 3: Remove the manual pump intake foot and use the large auto > switched centrifigal as the intake for the manual pump and push the > water thru the manual pump. > I would appreciate your comments and suggestions.Can’t fault your plan. It sounds pretty good. Will tell you what Idid, which might give you some additional water evacuation capabilty:Left the 800 rule in place as you did, electrically tied to batterybank #1.Added 1000 gph pump with a switch at a higher level in the bilge,electrically tied to battery bank #2 with an ear piercing audiblealarm in parallel that can be switched off while the pump is stilloperating.The output of the second pump was spliced into the shower sump outputline with one way valves so Ican still use the shower sump withoutdumping the grey water into the main bilge.Of course I still have the manual pump operated from the cockpit.
Posted by macks011 (macks04@…>)
I thought of using the shower sump outlet, but that’s just another
3/4" thruhull with a right angle bend in it, the same as the existing
bilge pump. I’ve replaced the hoses with smooth bore and I am not
impressed with the amount of water they throw. Due to the
restrictions, they are probably running at 10% of capacity. I’ve run
new circuts with 10 ga. wire to the bilge so I have adequate amperage.
I’m just wondering how much water I can push push thru a 1.5" hose
against the downstream valves of the manual diaphragm pump. In any
case, it has to be greater than the present setup.
— In freedomyachts2003@yahoogroups.com, “jerry_magic1”
<jerry_magic1@…> wrote:
The output of the second pump was spliced into the shower sump
output
line with one way valves so Ican still use the shower sump without
dumping the grey water into the main bilge.
Of course I still have the manual pump operated from the cockpit.
Posted by sodaksparrowhawk (sodaksparrowhawk@…>)
I too, am lucky to have limited experience with emergencies but just
enough to suggest that one or two pumps with no one-way valves, no
elbows or anything else that causes restriction or blockage would be a
good idea. As big as you can reasonably get them.
Also, remember the highest capacity bilge pump is a wet, frightened
man with a bucket.
Stan
— In freedomyachts2003@yahoogroups.com, Norm Friberg <nfriberg@…>
wrote:
My experience with emergencies is limited, but i can forsee
circumstances where you might be happy to have a high-capacity manual
pump installed as a backup to the automatic pump or pumps.
Norm
S/V Freyja, F40 C/K
Posted by andre laviolette (andrelaviolette@…>)
I have had to pump out a bottomfull of water with a manual pump. Could not do it ! I was exhauted so fast ! I was young ( 30 ) and in good shape. Luckily a motorised one was nearby. TRY IT ! Andre Norm Friberg <nfriberg@…> wrote: My experience with emergencies is limited, but i can forsee circumstances where you might be happy to have a high-capacity manual pump installed as a backup to the automatic pump or pumps. Norm S/V Freyja, F40 C/K ----- Original Message ----- From: jerry_magic1 To: freedomyachts2003@yahoogroups.com Sent: Thursday, February 16, 2006 11:42 AM Subject: [freedomyachts2003] Re: Bilge Pumps – “macks011” wrote:(snip)> I am considering keeping the small Rule in place and: > 1: Removing the Whale gusher and installing a large auto switched > bilge pump to the existing manual pump thruhull.> 2: Installing a check valve
on the manual pump intake foot and Wye > in the large pump outlet after that and push the outlet water thru > the manual pump. > 3: Remove the manual pump intake foot and use the large auto > switched centrifigal as the intake for the manual pump and push the > water thru the manual pump. > I would appreciate your comments and suggestions.Can’t fault your plan. It sounds pretty good. Will tell you what Idid, which might give you some additional water evacuation capabilty:Left the 800 rule in place as you did, electrically tied to batterybank #1.Added 1000 gph pump with a switch at a higher level in the bilge,electrically tied to battery bank #2 with an ear piercing audiblealarm in parallel that can be switched off while the pump is stilloperating.The output of the second pump was spliced into the shower sump outputline with one way valves so Ican still use the shower sump
withoutdumping the grey water into the main bilge.Of course I still have the manual pump operated from the cockpit.
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