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 Post subject: Transom Plate/Pad
PostPosted: 01 Sep 2016, 15:26 
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Joined: 05 Jul 2016, 11:51
Posts: 53
Location: Ohio
I know this is just like cutting board material... http://mud-skipper.com/accessories/transom-pad.html

Anyone use something like this (bolted through hull + 3M5200) on their boat?

Application is bow mount trolling motor or <10 HP outboard.


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 Post subject: Transom Plate/Pad
PostPosted: 01 Sep 2016, 17:21 
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Joined: 12 Dec 2014, 14:32
Posts: 2051
Location: Eastern Mass
Have used HDPE or LDPE (same as cutting board material) on many a small tin skiff as OB mounts at my boatclub. 6 or more maybe? No problems with any. We don't use trolling motors in the salt, so I can't comment.

TIP - Drill hole for fasteners over-size (e.g., 5/16" for 1/4" bolt) as those plastics move quite a bit with thermal changes ... high expansion/contraction properties.



_________________
#1) 1st tin rebuild, 18' Lund viewtopic.php?f=21&t=36583
#2) 25' Parker refurb from EMPTY hull http://www.classicparker.com/phpBB3/vie ... p?f=15&t=6
#3) 16' V-tin rebuild viewtopic.php?f=21&t=36465
#4 Procraft SV14
#5) 16' Starcraft entirely NEW Transom Skins viewtopic.php?f=3&t=37548
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 Post subject: Transom Plate/Pad
PostPosted: 01 Sep 2016, 21:37 
Donor

Joined: 05 Jul 2016, 11:51
Posts: 53
Location: Ohio
DaleH wrote:
Have used HDPE or LDPE (same as cutting board material) on many a small tin skiff as OB mounts at my boatclub. 6 or more maybe? No problems with any. We don't use trolling motors in the salt, so I can't comment.

TIP - Drill hole for fasteners over-size (e.g., 5/16" for 1/4" bolt) as those plastics move quite a bit with thermal changes ... high expansion/contraction properties.


Are you filling the holes with the 3M marine caulk to fill up the gap? Seems like a no-brainer to do this to save the transom wood inside and out... especially when the transom wood is not easily replaced. I have seen some metal plates for this application, but cannot find anywhere to buy, hence the HDPE/LDPE.


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 Post subject: Transom Plate/Pad
PostPosted: 02 Sep 2016, 08:12 
Donor
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Joined: 12 Dec 2014, 14:32
Posts: 2051
Location: Eastern Mass
weweber3 wrote:
Are you filling the holes with the 3M marine caulk to fill up the gap?

I did not, as my wood was fully sealed, actually encapsulated in marine epoxy. Even where I drilled through for the bolts, the wood holes were oversized and filled w/ epoxy, then drilled through for the bolts.

You could use any goop to seal them, but be AWARE that some silicone products contain acetic acid and shouldn't be used anywhere near aluminum.



_________________
#1) 1st tin rebuild, 18' Lund viewtopic.php?f=21&t=36583
#2) 25' Parker refurb from EMPTY hull http://www.classicparker.com/phpBB3/vie ... p?f=15&t=6
#3) 16' V-tin rebuild viewtopic.php?f=21&t=36465
#4 Procraft SV14
#5) 16' Starcraft entirely NEW Transom Skins viewtopic.php?f=3&t=37548
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