View Full Version : screw lengths?
motosno963
05-17-2013, 12:49 PM
just a quick question...when i mount my amp racks i want to make sure i dont go to far with the screws and go through something like the hull haha..i also want to mount the promariner prosport 20 on a inside wall(the other side is the walkway to the bow)..so what would be the max length for screws..and can i even mount the prosport on that inside wall?
beat taco
05-17-2013, 01:00 PM
Really thin! You need to pull the carpet back and either use epoxy or fiberglass to attach wood that you could screw into once you reinstall the carpet.
motosno963
05-17-2013, 01:22 PM
soooo more works is what your saying? lol
wolfeman131
05-17-2013, 01:23 PM
there are a ton of suggestions/how to's on this that expand on what Jake said. You DON'T want to mount to the hull and the best way that I've seen is to glue blocks to the hull then a mounting board to the blocks. Attach the charger and amps to the board. That way, you know for certain what you're screwing into/thickness/etc. I think a lot of guys have bought a cheap plastic cutting board from WalMart.
motosno963
05-17-2013, 01:27 PM
good thing i havent started to screw anything in yet haha..ill figure something out haha what about a screw or two in that side vent where the fresh air intake tubes go to?
wolfeman131
05-17-2013, 01:31 PM
why risk it?
Find an old pressure treated 2x4 and cut the blocks, use some marine adhesive and buy the $13 cutting board.
http://www.walmart.com/ip/Mainstays-15X20-Cutting-Board/13397990
You'll spend less than $25 to do it right vs 10x that amount if you end up putting screws thru the hull and having to get that fixed.
motosno963
05-17-2013, 01:52 PM
the amp racks are already made, so what would the cutting board be used for
rdlangston13
05-17-2013, 01:58 PM
I would look into using hdpe blocks instead of wood. Plastic won't rot
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motosno963
05-17-2013, 02:06 PM
im trying to think of a way to seal it off so runoff water from the bow splash doesnt get into my amp/battery area
maxpower220
05-17-2013, 02:28 PM
I think you should screw through the hull and use through bolts with thread locker. No one else is doing it and you will be unique.
Use stainless screws.
motosno963
05-17-2013, 02:58 PM
I think you should screw through the hull and use through bolts with thread locker. No one else is doing it and you will be unique.
Use stainless screws.
huuhhh..not. a. bad. ideeaaa.. lol
wolfeman131
05-17-2013, 03:36 PM
the amp racks are already made, so what would the cutting board be used for
you don't need it if you have the racks made. simply glue something to the hull (pressure treated wood or hpde blocks) and screw your amp rack to that.
rdlangston13
05-17-2013, 04:09 PM
I think you should screw through the hull and use through bolts with thread locker. No one else is doing it and you will be unique.
Use stainless screws.
just make sure the screw head is on the outside and the nut is on the inside. for looks....
maxpower220
05-18-2013, 10:17 PM
just make sure the screw head is on the outside and the nut is on the inside. for looks....
That's just crazy, you look at the amp on the inside, the head on the inside. Nut on the outside.
You are likely to get some bad advice on forums. Think it over before starting any project.
motosno963
05-19-2013, 01:24 AM
caan i rivit everything in? lol
moombahighrider
05-19-2013, 09:56 AM
Sure, just make sure those rivets are stainless. You don't want anything to rust. That would suck...
jstenger
05-19-2013, 12:25 PM
Also make sure that the center of the rivet doesn't pull all the way through. You will have a little hole to deal with.
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jstenger
05-19-2013, 12:33 PM
Kidding aside, here is a link to the Supra forum showing the glued block method.
http://www.supraboats.com/bbs/showthread.php?5519-Amp-Rack
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motosno963
05-19-2013, 12:49 PM
will look into it
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