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My rule is one project leads to 4.
The Rule unit is a single, self contained assembly. I think it has a check valve built into it as well.
I think I read about the small single primary pump setup in either one of Don Casey's or Nigel Calders books.I'm in the process of fabricating a lexan shelf that will lie flat on the bilge floor. The forward end will have a cutout for the small Rule pump so it sits flush on the bottom, the back half will have a 6″ rise for the 3000 GPH pump. Learning to form lexan in the oven at home has been has been a treat to say the least.
On 4/9/08, Aaron Lynch < ([email][/email])> wrote:
Quote:Rtfl 🙂I do have a bit of foam securing the holding tank in, now you have me thinking that needs to go too.
Jeez, these one project leads to another.
On 4/8/08 7:45 PM, Rich Carter wrote :
Quote:Let me get this straight, your girlfried crawled into your stinky bilge and
cleaned it out!! I need to meet her. You meeting up with us at Three Mile
Harbor?Whatever you do, don't give her up. How did you find her, with an ad like
this?“Wanted, woman who is willing to climb into the darkest, worst smelling hole
on the east coast and chip out smelly chunks of plastic, then clean the
inside out with chlorox and simple-green. Please send photos and
references”Rich
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Chuck,
Lexan ( polycarbonate by GE ) is extremely hard to
melt and form. I would suggest that it is overkill
also. Do you need the transparency of PC? If not there
are other therhoplastics that can work, and do you
need the toughness of PC? If not, an acrylic would
work. Good luck.Joe,
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My 424 has a delightful bilge pump invention from a former owner.
The bilge pump was screwed to a piece of plywood that rested on the floor of the bilge ( a float switch was screwed to the same piece of plywood, adjacent). A plumbing flange held a piece of plastic pipe (one and a half inch) which rose vertically to within a few inches of the cabin sole. On this vertical pipe was clamped an electrical bus (near the top) for quick disconnect of all the wires for the sump and the switch and the bilge alarm. The bilge high water alarm was clamped to the vertical pipe about two feet above the bilge floor. There is a single bolt that secures the entire apparatus to a shelf forward (that supports a holding tank)
The beauty is that you can lift the entire apparatus out ( disconnect the exhaust hose after lifting the apparatus a couple of feet vertically). So all repairs, wiring cleaning etc happens comfortably up inside the boat. (no standing on your head)
I can’t send pictures because I am in Maryland and the boat is in Maine.
Also, the removal of the pump and associated stuff lets you get to the bottom of the bilge ( where I installed a garboard drain (essential if you ever winter over in a freezing climate))
BTW, for what its worth, I would never ever fill up the bilge.
Jon
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So; you always have 1/4” of water surrounding the plywood base?
Also, how do you get such a contraption in/out? Do you have the shower sump in there?
On 4/9/08 7:54 AM, Jonathan Titus wrote :
Quote:My 424 has a delightful bilge pump invention from a former owner.The bilge pump was screwed to a piece of plywood that rested on the floor of the bilge ( a float switch was screwed to the same piece of plywood, adjacent). A plumbing flange held a piece of plastic pipe (one and a half inch) which rose vertically to within a few inches of the cabin sole. On this vertical pipe was clamped an electrical bus (near the top) for quick disconnect of all the wires for the sump and the switch and the bilge alarm. The bilge high water alarm was clamped to the vertical pipe about two feet above the bilge floor. There is a single bolt that secures the entire apparatus to a shelf forward (that supports a holding tank)
The beauty is that you can lift the entire apparatus out ( disconnect the exhaust hose after lifting the apparatus a couple of feet vertically). So all repairs, wiring cleaning etc happens comfortably up inside the boat. (no standing on your head)
I can’t send pictures because I am in Maryland and the boat is in Maine.
Also, the removal of the pump and associated stuff lets you get to the bottom of the bilge ( where I installed a garboard drain (essential if you ever winter over in a freezing climate))
BTW, for what its worth, I would never ever fill up the bilge.
Jon
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I see your concern re the water and the plywood- it apparently isn’t a prob- marine plywood well painted- its more than ten years old and shows no sogginess. One bolt, about three inches long, 3/8″ diam holds the entire thing in place (near the top of the pipe). I’m sure it wouldn’t go anywhere if the boat rolled over- I place a towel on the sole, undo the bolt and lift ( with one hand), the entire apparatus out ( must stop half way and disconnect the 1 1/2″ exhaust hose). I set the apparatus on the towel and can check voltages, repair pump etc.
The whole apparatus is about the size and shape of an upright vacuum cleaner.
The shower sump is way aft of this- just forward of the v-drive
Jon
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I only have maybe 6” from the sump forward to the holding tank. I’m assuming you have more space than that?
On 4/9/08 8:56 AM, Jonathan Titus wrote :
Quote:I see your concern re the water and the plywood- it apparently isn’t a prob- marine plywood well painted- its more than ten years old and shows no sogginess. One bolt, about three inches long, 3/8″ diam holds the entire thing in place (near the top of the pipe). I’m sure it wouldn’t go anywhere if the boat rolled over- I place a towel on the sole, undo the bolt and lift ( with one hand), the entire apparatus out ( must stop half way and disconnect the 1 1/2″ exhaust hose). I set the apparatus on the towel and can check voltages, repair pump etc.The whole apparatus is about the size and shape of an upright vacuum cleaner.
The shower sump is way aft of this- just forward of the v-drive
Jon
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Linus, do you have the original shower sump in place?
I’m curious how some people say they can get a person in there, in my boat there is the tray holding the v drive, then about 1-2” forward to the sump and then another 5 or 6” to the holding tank, which is under the floor past the edge of the hatch a good 4”. I can barely get a hand in there much less a vacuum shaped contraption.
Even with the sump out it seems improbable I could get myself down there, though it would certinly be easier to work on the pump(s).
The sump is pretty big, especially considering how little it’s used, I’m thinking of re-doing the whole mess.
As far as the manual bilge pump, do you guys have the suction secured with a strainer attached to the board, or just loose in the bilge somewhere?
On 4/9/08 12:24 PM, Linus Sumocean wrote :
Quote:That is what I have done only I used starboard. The small pump sits on the bottom of the bilge, with a lager one on a step 10″ higher. I still have a little water that runs back down when the pump shuts off, only 1/2 inch or so.Linus
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“As far as the manual bilge pump, do you guys have the suction secured with a strainer attached to the board, or just loose in the bilge somewhere?”
The boat came with a manual pump mounted in the cockpit. From there a hose ran under the fuel tank and under the engine into the bilge. There was no strainer on the end. The pump never worked well. I finally removed it and replaced with a new pump with a built in handle. Having the handle built in is nice. In an emergency, no hunting for a handle.
http://www.go2marine.com/product.do?no=113146FWhen I pulled the old pump out, I had a chance to give it a good look over. There were small pieces of wood stuck in there. The thing never had a chance to work right.
Rich
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Aaron
I have the old sump in place and I have a holding tank on the shelf on the forward higher shelf of the keel. I don’t think you could fit down there. My bilge unit is lowered with a rope. I have attached a picture. I hope that the new engine will eliminate the mess down there. The manual pump hose did have a strainer and was just loose in the sump. The hose had a hole chaffed in it under the tank cradle that was the reason I had to replace the hose. I have attached a picture. The unit sits in the bottom of the sump and fits tight at the bottom. It sounds like the aft end of your holding tank is hanging out without support. Is it possible that it slipped back off the step or is it secured where it is? Is there a support under the aft section of the tank?
Linus
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My bilge hose has (had) a strainer on it. Last weekend as I was trying to relocate the hose end deeper into the bilge as I pulled it, it literally disintegrated in my hand. One project leads to four….. If your bilge hose is 25+ years old grey stuff you may want to check it. Glad this happened on the hard, not in a storm with a failed main pump…..I will replace the strainer on the end, the hand pump worked fine until I busted the hose.
Rich Carter <> wrote:
“As far as the manual bilge pump, do you guys have the suction secured with a strainer attached to the board, or just loose in the bilge somewhere?”
The boat came with a manual pump mounted in the cockpit. From there a hose ran under the fuel tank and under the engine into the bilge. There was no strainer on the end. The pump never worked well. I finally removed it and replaced with a new pump with a built in handle. Having the handle built in is nice. In an emergency, no hunting for a handle.
http://www.go2marine.com/product.do?no=113146FWhen I pulled the old pump out, I had a chance to give it a good look over. There were small pieces of wood stuck in there. The thing never had a chance to work right.
Rich
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Both my bilge hoses were hard as a rock too.
Also, like Eric, the hose to the manual pump was extremely brittle and broke with the slightest tug, it’s definitely worth an inspection of such a vitally important piece.
The hose to the electric pump had chafed a bit, just a mater of time on that one.
The blower hose is totally shot.In trying to get the sump out, I removed some hose in the way, and I found that one of the clamps on the raw water was completely corroded away and I had a stuck valve (open) on the shower drain. I wish my oil leak had ‘ONLY’ led to four projects!
On 4/10/08 8:42 AM, Eric Lorentzon wrote :
My bilge hose has (had) a strainer on it. Last weekend as I was trying to relocate the hose end deeper into the bilge as I pulled it, it literally disintegrated in my hand. One project leads to four….. If your bilge hose is 25+ years old grey stuff you may want to check it. Glad this happened on the hard, not in a storm with a failed main pump…..I will replace the strainer on the end, the hand pump worked fine until I busted the hose.
Rich Carter <> wrote:
“As far as the manual bilge pump, do you guys have the suction secured with a strainer attached to the board, or just loose in the bilge somewhere?”
The boat came with a manual pump mounted in the cockpit. From there a hose ran under the fuel tank and under the engine into the bilge. There was no strainer on the end. The pump never worked well. I finally removed it and replaced with a new pump with a built in handle. Having the handle built in is nice. In an emergency, no hunting for a handle.
When I pulled the old pump out, I had a chance to give it a good look over. There were small pieces of wood stuck in there. The thing never had a chance to work right.
Rich
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