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21 August 2009, 11:07
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#1
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Member
Country: UK - Scotland
Boat name: Wildheart
Make: Humber/Delta Seasafe
Length: 5m +
Engine: Merc 60 Clamshell
MMSI: 235068449
Join Date: Apr 2007
Posts: 4,671
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Horizontal spare wheels
I had an interesting fallout form a puncture on my box trailer last night, and thought I would share it so that nobody else gets caught out.
Usual story of a puncture, tyre went pop, trailer leans over, so I pull in and change the tyre. No drama....until I pumped the spare up.
The spare gets pumped up by me sort of regularly - ish, primarily because it is mounted horizontally on the drawbar and by keeping it pumped up, the upper tyre rim is kept in contact with the top wheel rim. Actual pressure is mildly irrelevant, as I have a foot pump in the boot of the car so can top it up as required.
Said spare has been there for well over 7 years, but has spent a small proportion of that time fully inflated, mostly sat there at about 8-12PSI. As I pumped it to working pressure, I realised that it started lo leak round the rim. drop pressure to the storage pressure - stops leaking. Turns out that because it has spent so long on it's back, all that nice grit & road dirt that accumulates had been washed into the crevasse between the tyre & the rim which forms a nice dirt trap.
When Pumped to working pressure, the tyre expanded slightly closing the crevasse, where the grit pushed it away from the rim. No problem I thought, a few mins at 60 will clear it..... Nope. I had to stop every 5 miles all the way home to pump it up to working pressure.
The moral of the story -Those of you with horizontally stored spares either make sure they are kept at working pressure or covered. I am going to buy a full cover for mine this weekend.
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21 August 2009, 11:15
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#2
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Member
Country: Other
Town: Principalite d'Chaos
Boat name: The Nashers Revenge!
Make: Windsor Brothers
Length: 6m +
Engine: Optimax 225
MMSI: "Mmmmm SI" she said!
Join Date: Jan 2004
Posts: 4,919
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I moved my spare wheel on the RIB trailer from horizontal on the draw bar to vertical on the side frame only a month ago, partly for your reason and partly because parts of it were flling up with rain water.
Nasher
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21 August 2009, 12:50
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#3
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Member
Country: UK - Scotland
Boat name: Wildheart
Make: Humber/Delta Seasafe
Length: 5m +
Engine: Merc 60 Clamshell
MMSI: 235068449
Join Date: Apr 2007
Posts: 4,671
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Yeah, I modified an old mini hub cap to stop the centre turning into a bird bath..... Didn't help the rim tho'!
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21 August 2009, 16:41
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#4
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Member
Country: USA
Town: Oakland CA
Length: 3m +
Join Date: Feb 2005
Posts: 6,653
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Mine is mounted semi-horizontal (it's a bracket designed to sit under the bow of a hard boat parallel to the flare of the bow, but it sat too low, and as such got turned 90 degrees.) It collects a bit of water in the bead, but not much.
It stays at working pressure.
Makes a handy table for lunch as well.
jky
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21 August 2009, 21:34
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#5
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RIBnet admin team
Country: Ireland
Length: 4m +
Join Date: Feb 2008
Posts: 14,898
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Mine is mounted in the back of the 110 - it smells a bit odd, but then, so does the 110....
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21 August 2009, 22:29
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#6
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Member
Country: UK - England
Town: Southport
Boat name: Qudos
Make: 5.4 Searider
Length: 5m +
Engine: Yam 115 V4
MMSI: 235068784
Join Date: Sep 2008
Posts: 3,930
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Quote:
Originally Posted by willk
Mine is mounted in the back of the 110 - it smells a bit odd, but then, so does the 110....
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Why not let her stay in the house for a bit then mate. After all you did marry her!
Oh the spare wheel! Sorry, ignore me! 
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21 August 2009, 22:50
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#7
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RIBnet admin team
Country: Ireland
Length: 4m +
Join Date: Feb 2008
Posts: 14,898
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Quote:
Originally Posted by JSP
Why not let her stay in the house for a bit then mate. After all you did marry her!
Oh the spare wheel! Sorry, ignore me! |
Listen up CS hag! ...one more pop at the Ribbing Permissions Officer and you'll think WOW is the Teddy Bear's Picnic....
Told you have been, Padawan Learner 
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21 August 2009, 22:52
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#8
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Member
Country: UK - England
Town: Southport
Boat name: Qudos
Make: 5.4 Searider
Length: 5m +
Engine: Yam 115 V4
MMSI: 235068784
Join Date: Sep 2008
Posts: 3,930
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Quote:
Originally Posted by willk
Listen up CS hag! ...one more pop at the Ribbing Permissions Officer and you'll think WOW is the Teddy Bear's Picnic....
Told you have been, Padawan Learner |
Use some force young wIlLk
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21 August 2009, 23:02
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#9
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RIBnet admin team
Country: Ireland
Length: 4m +
Join Date: Feb 2008
Posts: 14,898
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Quote:
Originally Posted by JSP
Use some force young wIlLk |
wIlLk - ah, I geddit now!
Friday Night, PWP, more power to yer elbow, ye rip!
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coupla scoops here too
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21 August 2009, 23:10
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#10
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Member
Country: UK - England
Town: Southport
Boat name: Qudos
Make: 5.4 Searider
Length: 5m +
Engine: Yam 115 V4
MMSI: 235068784
Join Date: Sep 2008
Posts: 3,930
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Quote:
Originally Posted by willk
wIlLk - ah, I geddit now!
Friday Night, PWP, more power to yer elbow, ye rip!
_______________
coupla scoops here too
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22 August 2009, 13:26
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#11
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Member
Country: UK - England
Town: NW& wherever the boat is!
Boat name: depends on m'mood!
Make: Humbers/15-24m cats
Length: 6m +
Engine: etec130/big volvos
MMSI: many and various
Join Date: Nov 2001
Posts: 1,816
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our spare was horizontal on the searider trailer and kept in contact with the drawbar by tyre pressure-ended up with a couple of nasty bulges in the tyre wall 
any references to being mounted have been deliberately deleted in order to avoid a trip to the bilges
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22 August 2009, 15:25
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#12
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Member
Country: UK - England
Town: Fareham
Length: 6m +
Join Date: Sep 2003
Posts: 7,866
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First of all I'm glad you got home eventually.
I've always kept mine in the back of the car even if the missus did moan about the lack of space (no problems with new car). I have a wheel mount on the trailer that stores the wheel vertically, but I was always worried about theft, even with a chain or bike lock. I'd probably lose the key or combination or when I needed to get it off the lock would be rusted solid. But that's my kind of luck
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Andy
Looks Slow but is Fast
Member of the ebay Blue RIB cover club.
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