Underwater gear for hull cleaning - Page 2 - SailNet Community
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post #11 of 25 Old 04-27-2007
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I'm so cheap I squeak when I walk...

so I made this bottom cleaner out of 2 inch PVC.

step 1, get in volvo or suitable hybrid car, preferably while wearing birkinstocks, your L.L. Bean Maine Hunting coat, your bermuda shorts, and a shirt that says "I'm with stupid"

step 2, mosey, sashay, saunter into your local home depot.

step 3, procure (1) 10 ft length of 2" pvc, grab a 2" pvc tee, a 60 degree elbow of 2" pvc,, 3-2" end caps, a hand full of 12" tie wraps, and a "great big-o" (thats a southern unit of measurement) can of that foam insulation.

step 4, don't forget the glue that welds all this stuff together.

step 5, find an astro-turf house/floor/welcome mat.

step 6, drag all this stuff to the front of the store, pay for it using some sort of legal tender.

step 7, reward yourself on your fantastic purchases with a 4.00 cup of coffee made by some liberal arts major that hasn't figured out that while she is infact liberal, her degree is not an art, and is... worthless.

step 8, note that the floor/welcome mat is either 15, or 18 inches wide. cut 2 pieces of the 10 ft pvc the same 15, or 18 inchs.

step 9, place one of the pieces you just cut into the "thru" portion of the tee. See, fits nice don't it. Ahhhhh. Ok, take it apart and glue those two bad boys together. Place and glue one of the end caps on the pipe as well. Once again... Ahhhhh. Fill said contraption with the foam. Try not to get it on the mating surfaces you have yet to glue, ok? Rinse, repeat with the other piece you cut, the "thru end" of the tee, and the end cap. (fill with foam before you glue on the end cap) Eureka, its coming togther ain't it? Get yourself an adult beverage if so desired, you've earned it.

Heres where it gets tricky, you might have to use some math skills depending on the beam of your hole in the water or, what the hell, wing it.

step 10. Cut another piece of the PVC about 45% the width of your beam. If you have an 8ft beam, your length would be, ... thats right einstein, about 43 inches.
Poke, glue and fill that piece into the only place on the tee you should have open.

step 11. Glue 60 degree elbow to end of the last piece, you can see where i'm going with this can't ya?

step 12. Glue remaining piece of 2"pvc and end cap together.

step 13. Wrap cut pieces of astro turf around the 15 or 18 in. 2" pvc, (pi x radius squared, plus "a little" ) Secure with tie wraps.

throw said device into water, lookie maude, it floats!
Retrieve device, grab non astro-turf side. Push astro turf side under your hull. Notice there is considerable upforce generated by the trapped air and the foam, giving an easy scrubbing affect(effect?).

Stop, enjoy another adult beverage, drink in the remarks of adulation coming from your dock mates. Regal them with tales of sea monsters or ex-wives, offer to make them one of the devices for oh, 100.00, (that usually works better AFTER numerous adult beverages).

Go home, all is right with the world.

We are not primarily on earth to see through one another, but to see one another through

Some people are like slinkies: not really good for anything... but you can't help laughing when you push them down the stairs

Last edited by cardiacpaul; 04-27-2007 at 07:58 PM.
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post #12 of 25 Old 04-27-2007
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I've always simply been able to dive on my hull with snorkle/fins/weight belt to changge my zincs or do some botom cleaning. Obviously...this involves coming up for air so you need to be comfortable with the snorkle and prepared with the tools you need as you can only get so much done in a 30-60 second time frame. Obviously a hookah or a tank are better solutons if you need to do this a lot but I've never found the need for such an investment. The tools Fast recommends are spot on.
Clear water helps when you drop your Allen wrench set!
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post #13 of 25 Old 04-27-2007
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CP, I am a little confused. How many adult beverages am I allowed to drink, should I drink. Is there a limit? Are these hard alcohol or beer? And, do I have to share?
The rest of the instructions I am crystal on.

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post #14 of 25 Old 04-27-2007
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Quote:
Originally Posted by cardiacpaul
step 11. Glue 60 degree elbow to end of the last piece, you can see where i'm going with this can't ya?
No dude, I lost you back on #7. I got thinking about the coffee girl and how "liberal" she might be.

Can you snag lobster with it? No? OK, I'm going to stick with the scuba.

Last edited by CapnHand; 04-28-2007 at 07:48 AM.
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post #15 of 25 Old 04-27-2007
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Quote:
Originally Posted by offline2004
Definitely do not go down in a marina. countless divers have been killed or seriously injured over the years in marinas from stray currents.
Not that it has never happened, but "countless"? Puh-leez. In all the years I've been doing this, of all the tens of thousands of boats I have serviced, of all many dozens of hull cleaners I have met up and down the West Coast, I have only once, ever heard of anybody being killed or injured due to an electrical problem. And that story was third hand at best. Unplug the boat you're diving. You'll be fine.
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post #16 of 25 Old 04-27-2007
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Quote:
Originally Posted by 66luders
I will definitely try and make a section cup... that sounds like a great idea. how do you keep a piece of pvc stuck in the pluger?...with glue?
Here is a pic of my device. Adult beverage included for scale:

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post #17 of 25 Old 04-28-2007
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Quote:
Originally Posted by cardiacpaul
so I made this bottom cleaner out of 2 inch PVC.
CP

Could you draw a plan of this device, I am more ocular orientated.

Simon
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post #18 of 25 Old 04-28-2007
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I have problems with stick figures, all of my drawings look like they were done by a slow 10 year old. (apologies to all of the slow 10 year olds)
but here goes
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post #19 of 25 Old 04-28-2007
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Quote:
Originally Posted by cardiacpaul
I have problems with stick figures, all of my drawings look like they were done by a slow 10 year old. (apologies to all of the slow 10 year olds)
but here goes
cardiacpaul - Photobucket - Video and Image Hosting
THIS is what you are cleaning hulls with?! Ummm... where can I get one?

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post #20 of 25 Old 04-28-2007
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Simon, take a look around your local marina, there should be a few of them laying around you could borrow, I mean look at.

Great men always have too much sail up. - Christopher Buckley


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