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 What is behind cockpit bulkhead, and epoxy type?		  New Topic  Topic Locked
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kevinmac
Admiral

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USA
732 Posts
Initially Posted - 02/26/2006 :  15:06:42  Show Profile
I want to install a Garmin 192C GPS (got one cheap in a clearance sale).

I want to install it either above, to the side of, or below where the factory mounted the Raymarine ST60 TriData.

Can anyone tell me what I am going to find when I start cutting into these places? Anybody know where the ST60 wires are likely to be?

And lastly, do I need to put epoxy in the hole to seal it, like you would when installing a fairlead or such? If so, what type should I use?

If it matters to your answer, I would rather do more work, make it Bristol, and keep my bilge dry...

Thanks in advance for your help. BTW, I searched the forum long and had for these answers, but could not find it. If it has already been discussed and you can point me to the thread, I would appreciate it.
Kevin Mackenzie
Former Association Secretary and Commodore
"Dogs Allowed"
'06 C250WK #881
and
"Jasmine"
'01 Maine Cat 30 #34
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Arlyn Stewart
Master Marine Consultant

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USA
2980 Posts
Response Posted - 02/27/2006 :  08:32:38  Show Profile  Visit Arlyn Stewart's Homepage
Kevin, the bulkhead has 1/2" to 1" gap between it and the liner.

When mounting an instrument, bed it in with a bedding compound like lifecaulk.

On the issue of mounting instruments in bulkhead... are you sure you want to mount it in the bulkhead? The bulkheads are prime realestate for cockpit comfort, relaxing, reading. Even if the instrument doesn't stick out so far that a pad can offer lounging, forcing the crew to move so that the instrument can be observed is a consideration. Think twice about destroying that if other options are available like companionway swing mounts.

A swing mount also presents no unwanted bulkhead hole problems if the instrument is later upgraded...
Edited by - Arlyn Stewart on 02/27/2006 08:35:20
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OLarryR
Master Marine Consultant

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USA
3464 Posts
Response Posted - 02/27/2006 :  10:43:15  Show Profile  Visit OLarryR's Homepage
Arlyn mentioned potentially using a swing arm so that you do not have to disturb the bulkhead so much so that it hinders someone from using it to lean up against it. That was one consideration I had when it came time for me to replace my depthfinder. My website has a Fishfinder section and in there are installation details of mounting it using a RAM Swing Mount.
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kevinmac
Admiral

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USA
732 Posts
Response Posted - 02/28/2006 :  09:30:30  Show Profile
Thanks Arlyn and Larry, for your replies.

I guess must be in the decided minority. I really don't like the idea of swing mounts in general. And I don't like blocking the entrance to the cabin, it interferes with beverage aquisition.

On the other hand, I have sailed several boats with bulkhead mounted instruments, and enjoyed them there.

So to each his own I guess.

Thanks for the info about what is behind the panel.
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Quentin
Deckhand

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USA
24 Posts
Response Posted - 03/01/2006 :  19:27:04  Show Profile
Kevin,

Check out this teck tip from the pervious Captin of Old Bombay II

http://www.catalina-capri-25s.org/tech/tech250/obinstru.asp

Quentin
Old Bombay II #153
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britinusa
Web Editor

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USA
5404 Posts
Response Posted - 03/01/2006 :  20:14:31  Show Profile  Visit britinusa's Homepage
Congratulations on the 192C, it's an awesome gps map unit.

We mounted our gps on the pedestal guard, (are you tiller or wheel?)
Having it close to hand is a major plus, so I would really recommend putting it within arms reach of the helm position.
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kevinmac
Admiral

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USA
732 Posts
Response Posted - 03/01/2006 :  22:49:53  Show Profile
Thanks for both tips. Unfortunately in this case (but it has its compensations) I have a tiller, not a wheel, so no really good place to keep it within reach except ruining my backrest, or the aforementioned swingmount.
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
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