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Old 19 April 2009, 23:28   #1
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Black Zodiac too hot?

Hey all,
I just got a Zodiac fc470. I am wondering if the black hypalon will be too hot.
I had planned on using it this summer but will stik with my grey Avon if the black boat is unbearable.
Thanks
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Old 20 April 2009, 02:46   #2
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It will get hot and the air will expand running the risk of popping the tubes. It may have pressure relief valves fitted so it doesn't go pop?
It might get a bit hot to sit on too!
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Old 20 April 2009, 05:10   #3
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I've had two black ribs,the first one an Avon didn't have pressure relief valves, in the many years I had the boat the sun or anything else heat related caused it to leak (in this country). I think from my experience all the "'it'll burst you're toobs if you leave it in the sun' is one blokes idea' which has become fact.

The next one was/is a Ribcraft with pressure relief valves. I didn't consider any other colour when I ordered this boat. UV damage which I have no experience of, is irrelevant in this case as I use black boot polish.

I've never found the sitting on it burning ar**'s to be true...if the suns that warm,you be grateful if your getting out the water for the heat,two seconds on the plane toobs are cold. again from my experience it's not an issue in this country.
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Old 20 April 2009, 05:43   #4
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Quote:
Originally Posted by IBWET View Post
I've had two black ribs,the first one an Avon didn't have pressure relief valves, in the many years I had the boat the sun or anything else heat related caused it to leak (in this country). I think from my experience all the "'it'll burst you're toobs if you leave it in the sun' is one blokes idea' which has become fact.
Try telling Blackpool Lifeboat that, grey tubes on a 21, over pumped at the start of the day, left outside all day on show and flat tubes at the end of the day.

Black tubes will get hotter to touch than other tubes.
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Old 20 April 2009, 05:45   #5
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Not to open a new thread, i am also wondering for the temp of my tubes.
I have ordered mine with the new fabric impression, carbon color.
This not black but quite dark i would say.
I am living in Greece and the temp here in the summer is more than 35-37 C.
I know by experience that normal dark Hyphallon tubes become very hot but the fabric impressions series seems to be better.
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Old 20 April 2009, 05:47   #6
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Quote:
Originally Posted by chewy View Post
Try telling Blackpool Lifeboat that, grey tubes on a 21, over pumped at the start of the day, left outside all day on show and flat tubes at the end of the day.
But that was the problem - without a controlled test you can't really say that a dark tube was worse. Even if the air inside the tube is heated from 0-100 deg C (which seems unlikely) the pressure actually only increases by 36%.
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Old 20 April 2009, 06:19   #7
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What I'm getting at is that it can happen, as I said the 21's tubes are grey. Given that black absorbs heat better its going to be worse.
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Old 20 April 2009, 06:56   #8
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I've got a black RIB and so far haven't had any issues with it being too hot to sit on/touch or tubes blowing up. When the sun starts coming out I let a bit of air out of the tubes but generally they don't need much attention over the course of the summer.
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Old 20 April 2009, 08:06   #9
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I'm with Tim & IBWET on this - Ifyou are dim & pump it up really hard & then leave it all day in a realy hot sun then MAYBE you will have problems. If you show a bit of common sense/ intelligence then you let a bit out in and they run just fine.

I've got dark blue tubes on 2 boats and while they do get hotter & harder - they are never too hard or too hot to work with.
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Old 20 April 2009, 08:18   #10
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FC-470s have been around for many years and are one of the most harshly abused models of inflatable boats in existence. Given that most of them are operated by marines don't foot the bill for their aquisition and maintenance, and who regularly drop them out the back of airborne Hercules, run full speed beach landings etc..., they should hold up very well to civilian use.

Specific to the black color, if the boat is in the water, The top surface of the tube may get hot, but the temperature within the tube should not be a problem since the water will conduct heat from within the tubes very effectively. The main sponsons of these boats do have overpressure valves. The speed tubes & keel do not, but since they are completely immersed, solar overheating of those isn't a concern if waterborne. When on a trailer in hot weather, use a light colored boat cover and burp some air from the speed tubes and keel. Top their pressure back up just prior to launch.

Prior to sitting on the tubes (esp if wearing shorts), just touch test the surface first and splash a bit of water on it if it is too hot.
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