why do you need a scupper?

[The Penguin]

why 360s instead of 500s?

 

[Idok]

why 360s instead of 500s?

500's airbind like a BITHC! it is unavoidable.....they do great when you turn the pump on with a hull full of water, but with the pumps running and water dumps in they just cant hookup!

the 360's do not cav EVER

 

[Idok]

... that, and b/c theyre smaller. ive rubbed 500's through their tops a million times already.. they move around in the surf and the shaft rubs the tops of them.. just tired of breaking them... twin 360's still pump out alot of water. i used to only run one 500 anyways.

twin 360's and some #7 plugs, and youre GOLDEN!.. i'm with you scott.

arent the 360's and 500's the same size? I know they accept the same strainer, but I never rearlized there is a height difference

 

[The Penguin]

they are the same size - 3.5" tall

 

[The Penguin]

there is a 500 GPH that is the same diameter as the 360, but it is 4" tall.

That is the automatic type pump. It comes on automatically every 2.5 minutes - if it sense pressure against the impeller, it will continue to run until there is none.

I was thinking of using one of these - to leave on at all times when riding or beached (especially to pump out any water let by the scupper when beached) along with a secondary standard bilge pump on it's own switch that can be used as needed.

the standard (non-auto) 500 GPH is the same height as a 360 GPH

 

[The Penguin]

communist :biggrin:

 

[douglee25]

I learned a good lesson about dual bilges this weekend. run them parrallel that way if a wire goes bad you still have one working bilge. :biggthumpup:

That's why they invented Xmas lights that don't go out when a bulb is pulled:biggrin: Another thing that is great about running items in parallel is that they all receive the same voltage, not current from the battery. If you wire items in series, they all receive the same current, not voltage. An easy way to remember it is ParV or SeriesQ. :biggthumpup:

Doug

 

[jetskier79]

the blowsion one-way valve install is fairly idiotproof.....

Not anymore idiot proof than a scupper. Keep in mind, WHEN the blowsion one-way valve blows, you are completely S-O-L

i regretted my scupperS when i was hangin on the pontoon with you guys!!

i think you need them in flatwater when going from trick to trick in like 3-5 seconds.. but in the surf, i THINK youre fine without them. at least if you have a good aftermarket hood and hood seal.

This is the part where I share the reasons I will never have a boat without a scupper ever again.

You never know when SOMETHING is going to take out your bilge pumps. In my case, I had a situation where my couplers grenaded, and took out the bilge pumps and electrical box. I was dead in the water with no bilge pumps, and no way to let water out. I had cracked the nose earlier in the day, and was taking on water.

Short story long.....i sunk the boat in the middle of the ocean with no way to remove any water.

Rewind some 4 months before that, Mike Serlin's pole bracket ripped through the fiberglass, and his hood fell off. With no way to secure the hood, we towed up a rope real short, and headed back to the harbor. Within seconds, his sunk boat was a fully floating boat with no hood....as all the water had exitted the scupper.

A sunk boat in the open ocean, or outside the break is virtually impossible, and IMO dangerous to tow with a standup or blaster without some way to remove the water while in the water.

Reason number 2....no bilge pump, single or dual, will remove as much residual water as a scupper.....period. And nothing sucks worse than a boat that stalls due to water ingestion at the most inopportune time.

 

[jetskier79]

nothing in this world beats just rolling up to the pontoon boat, snapping your limiting rope onto the buoy rope on the back of the boat, and just chilling watching your crew tear up some surf without worrying that your boat is back there sinking.

Installing a scupper doesn't require removing the bilge pump.

 

[Rickster]

yeah, but when youre riding at idok's spot, and you just want to take a 10 minute break and drink a.. umm.. water.. nothing in this world beats just rolling up to the pontoon boat, snapping your limiting rope onto the buoy rope on the back of the boat, and just chilling watching your crew tear up some surf without worrying that your boat is back there sinking.

:biggrin: ..my reasons are very selfish, what can i say.

I agree, and if your scupper uses a 2" pipe, you can get a little rubber stopper at Home depot that goes in the scupper tube ont he bilge side when in the salt water.:biggthumpup:

If I remember correctly, it's a 1.1/2" id rubber pipe block off, similar to what is used when bocking off the front inlet tube on the fuel tank when removing the front fileer tube.

I will see if I can find a pic and the exact size...

 

[Idok]

i jus said the INSTALL is idiotproof....ie, its all one unit that you just cut the holes and slide her in......

i remember ross's raquetball fix on the 1 way though....

 

[Mark44]

yeah, but when youre riding at idok's spot, and you just want to take a 10 minute break and drink a.. umm.. water.. nothing in this world beats just rolling up to the pontoon boat, snapping your limiting rope onto the buoy rope on the back of the boat, and just chilling watching your crew tear up some surf without worrying that your boat is back there sinking.

:biggrin: ..my reasons are very selfish, what can i say.

Leave your pump on while you drink your water........

Mark44

 

[motorhead10]

sounds like i will do it after some dual 360 bildge pumps

thanks for the info guys

 

[Gainera2582]

Why not just get a threaded end on one side of the pvc pipe where you can put a plug to stop water from coming in if you decide to take a break?

 

[Boris]

This is what I ended up putting into my square.

-From the bilge side I have a 2" threaded fitting where I can screw in a PVC cap for when I want the scupper tube sealed off(never had the need as yet)
-Right by the bulk head is a Lowes one way valve.
-At the back of the boat I have a 24/7 scupper.

Before I cut into my hull I read all that I could find on the subject and decided to play safe. The scupper protects the one way valve from too much water pressure on landings, that should help the one way live a long and happy life.
So far I haven't had a problem with water leaking past the one way valve, after being tied off to my dock for 3 hours the bilge was bone dry.

I have dual 500GPH Attwoods in there as well but found that in the surf (Daytona) I didn't even need the pumps.
How did I find this out ?
Popped both fuses after a rather flat landing and didn't bother to replace them.

Long story longer, I love the scupper and will have one in every ski in the future.

 

[meatball]

Since occasionally I park at my friends houses, I'm going to do the same as above, but have the threaded end on the outside of the ski, and then rig a cap up to a clip, and clip it on my lifejacket, so I always have it.

 

[demolition_x]

i don't think it will work on the back. that area is not flat its like borris end of the tub on an angle. and it would pe a pain with the scupper there to screw a cap on.

 

[Boris]

Have the cap rigged on the inside.
It's easier to keep it in the ski than on you and not a big hassle to screw in. Just pop the hood, reach in and you are golden.