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Old 31 October 2011, 13:01   #21
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Originally Posted by two stroke mick View Post
I retro fitted my trunk to the Valiant DR 490. It is about 1 hrs work. Time well spent and very easy to do.
Do you have pictures of how you did this? I would love to find a kit which provides a trunk attached to a plastic fitting I can just glue into the proper size hole.
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Old 31 October 2011, 13:45   #22
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I used one of these on my first searider:

http://www.rib-shop.com/product.asp?...hFor=&PT_ID=29
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Old 31 October 2011, 14:06   #23
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I used one of these on my first searider:

http://www.rib-shop.com/product.asp?...hFor=&PT_ID=29
Awesome, seeing if they will ship internationally...

Besides the Avon's which sometime come with trunks, most RIBs over here don't have them. I am asking my builder if he'd be will to make up something exactly like this too.
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Old 31 October 2011, 16:21   #24
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fitting position

Would any of the folks that have fitted a trunk to a SR4 care to share the position and dimensions they worked to please. e.g. was the bottom of the hole flush to the deck surface, how far from center line? thinking of fitting one (two?) as I really don't trust electric pumps on their own. GS
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Old 31 October 2011, 16:31   #25
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We used to fit these scuppers, can't comment on longevity but they seemed to work ok.
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Old 31 October 2011, 17:56   #26
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Boris,

The trunk creates a big hole in the transom and my worry is that the trunk will tear without me knowing and fill the boat up with no way of easily stopping flow!
Can happen - first time I left my boat on a mooring overnight in wind and waves we came back next morning to find a split had developed near the end of the tube (ie the higher end with the tube hitched up on the transom), had been dipping under the water, and the boat had progressively swamped. Cue a big bucketing session...

But I've still got the trunk (with a new tube!). Best way by far of getting rid of lots of water in a hurry.....
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Old 31 October 2011, 18:08   #27
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We used to fit these scuppers, can't comment on longevity but they seemed to work ok.
I have something comparable right now, its not a big enough hole to move out water FAST. Post-stuffing the bow into a wave you are riding so low that subsequent waves like to come aboard for the party too...
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Old 01 November 2011, 05:30   #28
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I) I filled a tablet box with Firbregrass resin.
2) I placed the tablet box into the original 2" hole and sealed it into position with sika flex.
3) I cored out a 70mm hole with a core bit on a drill
4) lined the sides of the hole with sika flex.
5) Inserted the pipe section.
6) placed some sikaflex on the outside of the pipe section and placed the trunk over it.
7) used a clip to hold the trunk in place.

NB drill from the inside out not the other way around or you may get your levels wrong and cut up the deck.

TSM
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Old 01 November 2011, 09:51   #29
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Quote:
Originally Posted by MI3GTO View Post
Would any of the folks that have fitted a trunk to a SR4 care to share the position and dimensions they worked to please. e.g. was the bottom of the hole flush to the deck surface, how far from center line? thinking of fitting one (two?) as I really don't trust electric pumps on their own. GS
Most ribs with the "Searider shaped" floor (i.e it's not flat all the way to the toobs) have them as far apart as geometry will allow. Bottom of the trunk hole needs to be flush or thereabouts with the floor, and in the case of the SR, the slopey bit of floor tangentical to the bit of the hole that is nearest to it, although that is not hugely important - it's just that the closer you get to the corner, the more water you get out.

Quote:
Originally Posted by captnjack View Post
Do you have pictures of how you did this? I would love to find a kit which provides a trunk attached to a plastic fitting I can just glue into the proper size hole.
I'm sure there are plenty out there, but you still need to drill the hole & more importantly seal it!


TSM has a very good point about drilling, however just to throw a spanner in the works, mine has the hole drilled with the cutting diameter about a plastic pipe's wall thickness below the deck, in order that the bottom of the inside of the pipe is level with the deck. Mine was drilled, resin coated to seal, then the plastic tube sikaflexed in. (hypalon trunk ditto to the plastic) That has the advantage that when the sika finally time expires, you still have a sealed transom.
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Old 01 November 2011, 10:54   #30
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Photos of trunk as installed
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