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Old 31 December 2008, 12:54   #21
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Quote:
Originally Posted by chewy View Post
Going slightly off thread has any one got a link to that Scrap heap challenge?
I'm sure this is the one. The one I mentioned is the blue one (team in yellow.)
http://www.channel4.com/science/micr...owerboats.html
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Old 31 December 2008, 13:17   #22
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This has got inflatable tubes, it even carries a spare 1 as a seat

http://rib.net/forum/attachment.php?...1&d=1230747111 http://rib.net/forum/attachment.php?...1&d=1230747111
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Old 31 December 2008, 14:26   #23
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The collars are made from closed cell foam (similar to Ethafoam or jiffycell) i think and have a pvc or polyurethane cover over them.

Picture of a Weedo 700 FRC in the build
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Old 31 December 2008, 14:26   #24
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That 'rib' looks wanky
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Old 31 December 2008, 15:20   #25
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Quote:
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That 'rib' looks wanky
No, it's worse than that.
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Old 31 December 2008, 15:36   #26
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No, it's worse than that.
very wanky ?
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Old 31 December 2008, 23:00   #27
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SAFE Boats make foam collared boats in the US. They supply the Defender 25 foot Fast Reponse boats to the USCG, among others.

Website here:
http://www.safeboats.com/default/index.php

Info on the collar here:
http://www.safeboats.com/default/boats_collar.php

jky
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Old 01 January 2009, 05:42   #28
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Originally Posted by Endeavour View Post
The collars are made from closed cell foam (similar to Ethafoam or jiffycell) i think and have a pvc or polyurethane cover over them.

Picture of a Weedo 700 FRC in the build
That looks about right Steve, but this one was more tube shaped except for the squared nose Like that one has. It's a good looking RBB (cheers polwart!) and I've seen the students hammering it on the river. Seems to shift well too.
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Old 01 January 2009, 07:31   #29
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The RNLI's E class lifeboat on the Thames is an RBB:

http://www.chiswicklifeboat.org.uk/eclass.htm

Cheers

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Old 13 January 2009, 11:10   #30
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We've built numerous "Buoyant Fendered Topside" boats and having the facility to build them in house allows us to manufacture the shape to suit. The FRCs and MoR SOLAS vessels have a larger section as buoyancy, slamming and dropping are key to the craft's survivability in the harshest of environments; we have however produced craft with the same principle but with a half rounded cross-section rather than rectangular to give the aesthetic effect of a traditional RHIB

The benefit of this type of collar is not only its impact resistance and durability but also the fact that it bonds/fastens to the outboard side of a raised hull side; thus effectively increasing the useable deck width, bearing in mind an inflatable collar would sit half in/half out of the boat taking up valuable deck space.
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