redza Posted April 9, 2010 Share Posted April 9, 2010 Hi Guys, I'm thinking of doing up an old 4m Quintrex, new/2nd hand outboard, canopy/bimini etc. It currently doesn't have a floor but I'm thinking of putting one in. Was just wondering if it is necessary to have a sub-floor frame installed or not. I assume it will be more stable but I'm really trying to keep costs down where possible. Can I just install it resting on the corrugations of the hull with rebates for the ribs, or will this cause problems? Thanks Link to comment Share on other sites More sharing options...
NORBY Posted April 9, 2010 Share Posted April 9, 2010 Hi Redza, I would reccommend installing a sub floor if possible. This will increase the strength a ridgity of the floor & allow you to use 12mm ply. Without the subfloor, you will need to use around 15mm ply, which will also increase the weight. I have recently installed a floor and casting deck in my 4m tinny, & a 6 metre length of 40x40x3mm aluminium angle only cost $60. Regards Craig Link to comment Share on other sites More sharing options...
redza Posted April 9, 2010 Author Share Posted April 9, 2010 Thanks Did you install the frame yourself? If so how? Does it need to be welded into place or can it be fastened (ie screwed/riveted) into the existing hull. As much info as possible would be very much appreciated. Link to comment Share on other sites More sharing options...
Jewhunter Posted April 9, 2010 Share Posted April 9, 2010 G'day Redza. Have a look HERE! Cheers, Grant. Link to comment Share on other sites More sharing options...
NORBY Posted April 10, 2010 Share Posted April 10, 2010 Hi Redza, I initially rivetted it all together, to help getting all the levels and design right.I started by putting a rivet through the aluminium angle & into the rib of the boat. I did this for 3 pieces running across the boat & then used a few bits of flat aluminium as joining pieces, for the angle running from front to back. Once I was happy with the design I got it welded, although it all felt solid, I don't think the rivets would stand up to the pounding that a tinny gets over time. I also used standard 12mm ply, which I painted with an oil based undercoat to seal the wood & stop it from bending or rotting. Carpet was the glued on with a contact adhesive. Hope this helps ! regards Craig Link to comment Share on other sites More sharing options...
srxwat4 Posted April 15, 2010 Share Posted April 15, 2010 I have a quin Fishabout , quite old , it has a floor with cutouts for the side supports and long wedges screwed underneath to match the bottom of boat ,quite simple and sturdy Link to comment Share on other sites More sharing options...
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