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20 November 2007, 12:45
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#1
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Member
Country: UK - England
Town: Cowes, Isle of Wight
Boat name: TiLT 2
Make: Avon Adventure 620
Length: 6m +
Engine: Optimax 135
MMSI: 235032203
Join Date: Sep 2005
Posts: 1,641
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Might Be Good?
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20 November 2007, 12:48
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#2
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RIBnet supporter
Country: UK - England
Town: West Wittering
Length: no boat
Join Date: Jun 2004
Posts: 1,447
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Quote:
Originally Posted by Andy Moore
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This was on Dragons Den last night, I bet he was sweating on the 1kg test, took a while to inflate.
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20 November 2007, 13:42
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#3
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Member
Country: UK - Channel Islands
Town: Guernsey
Boat name: Monkey Nutz
Make: Cougar R8 Sport
Length: 8m +
Engine: 350Sci Verado
Join Date: Aug 2006
Posts: 931
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Call me old fashioned...(no dont) but if it doesnt inflate..its gone forever..give me a cork..
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20 November 2007, 14:23
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#4
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RIBnet admin team
Country: UK - England
Town: The wilds of Wiltshire
Boat name: Dominator
Make: SR5.4
Length: 7m +
Engine: Yam 85
MMSI: 235055163
Join Date: Jul 2005
Posts: 13,054
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I wonder how it'd cope at depth?
For example if it didn't inflate 'til it was 15m down would it still have enough buoyancy to bring it back up?
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20 November 2007, 14:29
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#5
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Member
Country: UK - England
Town: Gloucestershire
Boat name: Osprey
Make: Osprey Vipermax
Length: 5m +
Engine: E-tec 300 G2
MMSI: TBC
Join Date: Dec 2006
Posts: 4,020
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Surely the deeper it goes the more pressure to push it up?
Chris
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20 November 2007, 14:49
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#6
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RIBnet admin team
Country: UK - England
Town: The wilds of Wiltshire
Boat name: Dominator
Make: SR5.4
Length: 7m +
Engine: Yam 85
MMSI: 235055163
Join Date: Jul 2005
Posts: 13,054
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No-the other way round. At 10m pressure is at 2 atmospheres, therefore half the volume and half the buoyancy.
Boyle's Law
pV=k
where:
p denotes the pressure of the system.
V is the volume of the gas.
k is a constant value representative of the pressure and volume of the system
or in this case, V=p/k
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20 November 2007, 15:53
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#7
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Member
Country: UK - England
Make: Ribcraft
Length: 5m +
Engine: Honda 90HP
Join Date: Jan 2007
Posts: 28
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Bull Sh*t
As usual Dragon's Den was a load of ....
This guy claimed his design was the only one, how about this then?
http://www.firebox.com/product/1831?...src_id=keybuoy
May not lift 1kg but less than half the price.
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20 November 2007, 17:39
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#8
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Member
Country: UK - England
Town: Cowes
Length: 8m +
Engine: 225 Opti
Join Date: Jul 2005
Posts: 551
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Indeed - these were on display at METS 2 years ago...
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20 November 2007, 17:55
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#9
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RIBnet supporter
Country: UK - England
Town: Hants
Length: 8m +
Engine: 300hp plus
Join Date: Sep 2007
Posts: 3,072
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water buoy
I will let you know I have ordered a couple to test
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21 November 2007, 13:54
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#10
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Member
Country: UK - England
Town: Exmouth, Devon
Length: no boat
Join Date: Oct 2004
Posts: 767
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Quote:
Originally Posted by Rodan
Indeed - these were on display at METS 2 years ago...
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. . . and WaterBuoy had a fancy display this year. I did pick up a leaflet because I thought it looked quite good but didn't stop to check out pricing. Anyone got a link for the Dragon's Den? Would quite like to see that.
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21 November 2007, 15:38
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#11
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RIBnet supporter
Country: UK - England
Town: Hants
Length: 8m +
Engine: 300hp plus
Join Date: Sep 2007
Posts: 3,072
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waterbuoy
Here is the link:-http://www.bbc.co.uk/dragonsden/
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13 December 2007, 12:46
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#12
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Member
Country: UK - England
Town: Dorset & Hants
Boat name: Streaker/Orange
Make: Avon/Ribcraft
Length: 4m +
Engine: 50Yam/25 Mariner
Join Date: Apr 2007
Posts: 5,551
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I ordered 2 that arrived today - seem to be well made , but how you know if they work till its too late ?
Anyone had one & tested it ( on purpose or by accident ? )
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13 December 2007, 14:40
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#13
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RIBnet supporter
Country: UK - England
Town: Hants
Length: 8m +
Engine: 300hp plus
Join Date: Sep 2007
Posts: 3,072
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In the same position, got two delivered, look well made but no way of telling until too late. Do you know if we use it whether we can recharge them?
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13 December 2007, 15:11
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#14
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Member
Country: UK - England
Town: Dorset & Hants
Boat name: Streaker/Orange
Make: Avon/Ribcraft
Length: 4m +
Engine: 50Yam/25 Mariner
Join Date: Apr 2007
Posts: 5,551
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Think they are one hit wonder - partly why I get two . when i get really bored & its really cold in Jan / Feb I might clip it to a weight & drop it off the local bridge into 10ft of river water. If it works I'll put the other one on the portable plotter.
I'm still not convinced my lifejacket will inflate if needed ( never having had to try ) might try the same with that !
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13 December 2007, 16:06
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#15
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Member
Country: UK - Wales
Town: swansea
Boat name: Too Blue
Make: BLANK
Length: 8m +
Engine: Suzuki DT225
Join Date: Mar 2004
Posts: 12,791
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Quote:
Originally Posted by Nauti Buoy
This was on Dragons Den last night, I bet he was sweating on the 1kg test, took a while to inflate.
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I thought that had been cured now? When OI read a test in a boat mag they said it took ages to inflate as well.............
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14 December 2007, 16:08
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#16
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RIBnet supporter
Country: UK - England
Town: Hants
Length: 8m +
Engine: 300hp plus
Join Date: Sep 2007
Posts: 3,072
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Just had e mail back from Waterbuoy- they are a single use and cannot be reloaded if activated. Merry xmas
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14 December 2007, 19:15
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#17
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Member
Country: UK - England
Town: Newport IoW
Boat name: Amean/Pronto/Rumbo
Make: Solent Rib Princess
Length: 7m +
Engine: 200hp Etec 260x 2
MMSI: lots of them
Join Date: Sep 2003
Posts: 1,861
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RLSS UK do something similar www.lifesaversdirect.co.uk product code
GM9784A £3.95 INC VAT
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Tim Griffin
RYA Freelance YMI power Powerboat and PWC instructor trainer vhf first aid sea survival Diesel engine radar and navigation instructor
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