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 Thru-hull in transom for elec start cables
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dmpilc
Master Marine Consultant

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USA
4593 Posts

Initially Posted - 04/03/2008 :  12:39:00  Show Profile
I have purchased a Rule Industries thru-hull fitting to install in the transom for the electric start cable from motor to battery. The threaded portion is 1 1/4" outside diameter and the closest fitting hole saw I have is 1 1/2". Should I use it and be more liberal with caulking the new hole opening, or get a smaller hole saw? Pros and cons, anyone?

DavidP
1975 C-22 SK #5459 "Shadowfax" Fleet 52
PO of 1984 C-25 SK/TR #4142 "Recess"
Percy Priest Yacht Club, Hamilton Creek Marina, Nashville, TN

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aeckhart
Master Marine Consultant

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USA
1709 Posts

Response Posted - 04/03/2008 :  13:45:08  Show Profile  Visit aeckhart's Homepage
Hmmmmmmmm. I'd spend the extra couple of bucks and get the correct size hole saw. As we all know, small plug in large............no, I better not.

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Nautiduck
Master Marine Consultant

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USA
3704 Posts

Response Posted - 04/03/2008 :  14:38:48  Show Profile
Buy a smaller hole saw. You want fittings on a boat to be exact.

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piseas
Former Treasurer

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USA
2017 Posts

Response Posted - 04/03/2008 :  15:03:23  Show Profile  Visit piseas's Homepage
I wouldnt want to find out cons. Buy correct size.
Steve A

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Gloss
Master Marine Consultant

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USA
1916 Posts

Response Posted - 04/03/2008 :  16:21:25  Show Profile
I installed a Marinco 30 amp twist lock trolling motor plug on my transom for my electric start Honda. I just have to remove plug when I take the engine off. Very convenient. Has plenty of capacity for the starter. I keep dielectric grease on the plug.

And I did buy the correct size hole saw for it. Lowes has a good selection of cheap Chinese saws.

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Dave5041
Former Mainsheet Editor

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USA
3758 Posts

Response Posted - 04/03/2008 :  16:35:52  Show Profile
Yes, do the trolling motor plug. Convenient and no leaks from wire movement.

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stampeder
Master Marine Consultant

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1608 Posts

Response Posted - 04/03/2008 :  17:22:02  Show Profile
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote">Lowes has a good selection of cheap Chinese saws.<hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote">

The Dalai Lama and I are boycotting all things Chinese. Hole saws of that size are not that expensive, even the ones made in North America.

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JimB517
Past Commodore

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USA
3285 Posts

Response Posted - 04/03/2008 :  17:51:06  Show Profile  Visit JimB517's Homepage
I just run my wires through the clamshell vent, no holes, no electrical connections outside the boat in salt water.

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dmpilc
Master Marine Consultant

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USA
4593 Posts

Response Posted - 04/03/2008 :  21:30:50  Show Profile
Thru-hull fitting $10, trolling motor plug set was interesting but not at $45. Got a less expensive source, Frank? Trying to save the extra $. Concensus seems to be to get the smaller size hole saw. Also, I wanted the thru-hull in case I decided later to upgrade to a remote for the new o/b. Thanks all for the feedback.

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sweetcraft
Admiral

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USA
816 Posts

Response Posted - 04/03/2008 :  23:42:31  Show Profile
I used a trolling motor connectors but ran them in through a boot protected opening high on the transom. All the electrical plugs are in the storage compartment protected from moisture but easily access for disconnection. The fuel lines from both tanks plus the engine controls and wiring also run through the same opening. All are wrapped with sun protected cloth tied with black plastic ties.

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Frank Hopper
Past Commodore

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Pitcairn Island
6776 Posts

Response Posted - 04/04/2008 :  07:47:58  Show Profile  Visit Frank Hopper's Homepage
My trolling motor plug fits through the scupper. Save the money on a hole saw and get the trolling motor plug.

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britinusa
Web Editor

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USA
5404 Posts

Response Posted - 04/04/2008 :  07:58:10  Show Profile  Visit britinusa's Homepage
David,
I have been looking for a thru-hull for my starter cable and the new solar panel cable. Had not thought of using a 'pipe' fitting.

Currently (ugly) the starter cable passes though a 'hole' in the rounddown stbd side with 'goop' for water proofing (never got the area wet so really can't say if it's a 'dry' arrangement.)

I found a compression thru-hull in the new West Marine Catalog pg. 434 'Wire Seal'. I think that would make a much better seal than a thru-hull pipe fitting.
Also look at the CeaCap Conduit Bulkhead passthru although it's not designed for watertight uses.

Paul

Edited by - britinusa on 04/04/2008 08:04:17
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Dave Bristle
Master Marine Consultant

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Djibouti
10005 Posts

Response Posted - 04/04/2008 :  09:04:16  Show Profile
Hey Frank... A few squirts of tile cleaner will take care of those leaf stains. You're welcome.

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Frank Hopper
Past Commodore

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Pitcairn Island
6776 Posts

Response Posted - 04/04/2008 :  11:26:06  Show Profile  Visit Frank Hopper's Homepage
Occasionally my plethora of photos betrays what a poor steward I am of my little boat. I am a truly lazy person.

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Nautiduck
Master Marine Consultant

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USA
3704 Posts

Response Posted - 04/04/2008 :  13:28:07  Show Profile
Frank, I've perused your web site. Clearly you take great care of your boats. Let's just chalk this up to how fast those lazarette drain channels can get dirty!

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Dave5041
Former Mainsheet Editor

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USA
3758 Posts

Response Posted - 04/04/2008 :  14:51:41  Show Profile
Personally, I find it refreshing that Frank's does occasionally have some dirty spots. His boat pictures were starting to make me feel insecure.

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stampeder
Master Marine Consultant

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1608 Posts

Response Posted - 04/04/2008 :  15:17:12  Show Profile
Finally, an area of my boat that looks like Franks.

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