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Old 15 August 2006, 23:17   #21
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Quote:
Originally Posted by jwalker
If the hull is permanently sitting on grease, I reckon there is bound to be some uptake. Then the day will arrive when you want to do a little gelcoat repair.....

Cod's tanks will not (should not) be normal laminating resin.

What you really need is for the boat to float off then launching will be effortless. Get some smaller road wheels. Tilt the trailer so the rear goes down. Fit the axle above the chassis etc., etc.

I hope they are not normal resin but just in case I asked Glasplies - they said even normal resin should be fine for over 25 years!!! Loads of people have made motorbike tanks out of normal resin with no probs....
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Old 15 August 2006, 23:29   #22
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keel rollers

heya stephen, i agree with limeylinda. put a coupla keel rollers in the middle and adjust them to take most of the weight of your rib (using the side bunks as stabilizers in effect) and you'll be launching with one hand.
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Old 15 August 2006, 23:40   #23
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Instead of Teflon try UHMW Polymer (plastic). I知 told this is much better than Teflon and it might also be a bit cheaper. UHMW on your bunks will allow you to launch and retrieve in shallow water with ease. The boat slides like on a roller trailer, but with the support of a bunk. You can get it cut to size at a good plastic supplier. 1/2" thick and then counter sink the screw head in to the plastic.

See this link for a description http://www.ptreeusa.com/uhmwproducts.htm
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Old 16 August 2006, 06:49   #24
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Quote:
Originally Posted by CAH
Instead of Teflon try UHMW Polymer (plastic). I知 told this is much better than Teflon and it might also be a bit cheaper. UHMW on your bunks will allow you to launch and retrieve in shallow water with ease. The boat slides like on a roller trailer, but with the support of a bunk. You can get it cut to size at a good plastic supplier. 1/2" thick and then counter sink the screw head in to the plastic.

See this link for a description http://www.ptreeusa.com/uhmwproducts.htm
Cool

A few of those 1/2 x 4 x 48" planks would be just the thing

Anybody know where to buy this stuff in the UK....? (must do mail order, obviously!)
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Old 16 August 2006, 07:08   #25
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I used to do alot of competitive dinghy sailing and I was told not to use carpet on my roadtrailer or launching trolley, because after a dunking it holds water against the hull when the boat is not being used, this apparently leads to osmosis and bubbles forming in the gelcoat.
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Old 16 August 2006, 12:50   #26
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Using the keel rollers on a bunk trailer is that recommended for larger heavier Ribs? I知 looking to do some mods to my bunk trailer in order to get more support under the bow it self and make it easier to load when weighted down with dive gear. The problem Jwalker mentioned about the rollers flattening out how fast does that happen? Are we talking a week or a couple years? On a bunk trailer has anyone had the problem when weighted down with tanks the bow sets lower in the water and wants to put the bow roller on the winch post right into the tubes!
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Old 16 August 2006, 17:28   #27
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Originally Posted by Donnie144
Using the keel rollers on a bunk trailer is that recommended for larger heavier Ribs? I知 looking to do some mods to my bunk trailer in order to get more support under the bow it self and make it easier to load when weighted down with dive gear. The problem Jwalker mentioned about the rollers flattening out how fast does that happen? Are we talking a week or a couple years? On a bunk trailer has anyone had the problem when weighted down with tanks the bow sets lower in the water and wants to put the bow roller on the winch post right into the tubes!
I suppose the ultimate would be continuous rollers (like 20 or 30 big V rollers) all the way up the keel instead of a bunk, but that would be expensive....

No such problems with mine but the keel bunk goes right up to the winch post

I wish I was better at building stuff because I'd attack the trailer I have got and rebuild it the way I want it but I know I would just F it up...
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Old 16 August 2006, 17:36   #28
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Or a conveyor belt?
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Old 16 August 2006, 18:18   #29
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Stephen that is what keeps me from going hog wild and going to town on my trailer. Although I do like the conveyer belt idea just don't think it would last more then a dunk or two in salt water. I think I知 going to add two v-rollers down the hull where I have trailer cross members and then 3 right at the bow to help bring it up when it comes into the winch post.
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Old 16 August 2006, 18:48   #30
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Mine already has conveyor belt but unfortunately its only 1/2 a conveyor belt and its nailed to the bit of wood underneath
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