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Old 03 December 2008, 15:56   #1
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Why's that then. Tyre/Wheel storage.

I must be going daft.

in this auction the seller says "Tyres CANNOT be taken off rims as they have been stored lying down"

http://cgi.ebay.co.uk/Pair-16-Alloy-...QQcmdZViewItem

Why's that then?

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Old 03 December 2008, 17:14   #2
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Sounds like bollocks to me mate, what happens when you want to fit new tyres?
Seems like he wants shot of the tyres and alloys rather than splitting them, just my opinion though.
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Old 03 December 2008, 17:33   #3
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Sounds like bollocks to me mate, what happens when you want to fit new tyres?
Seems like he wants shot of the tyres and alloys rather than splitting them, just my opinion though.

Exactly my thoughts to be honest.

I've asked the question of him and am awaiting an answer.
the two new duelers would be a good buy for the price if I can change them over.

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Old 04 December 2008, 04:30   #4
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I think he means the tyres have been stored off the rims and stacked up.
Tyres that have been left like this for some time can be an absolute bugger to get back on the rims if theyre tubeless, as you cant get the beads to pop up onto the rim, because the tyre is out of shape and the beads wont both seal at the same time.
The usual trick is to use either a woofer as we used to call it which was a big air tank with a gate valve and nozzle, you can get a lot of air in the tyre quickly with one of these to pop it on the rim, (through the open bead)
or squirt some easy start in the tyre and set lite to it, The rapid expansion literaly blows the tyre on the rim
Usually its not a problem once theyve been stretched on a rim for a while they regain their shape especially if they have done a mile or two.
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Old 04 December 2008, 04:45   #5
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by the way, thinking about it i wouldnt be too happy about using tyres that have been squashed flat! the tyre has been deformed in a direction it was never designed to, whilst there may be no visible damage, there could be small cracks in the tread which in time will let moisture into the carcass corroding the cords, or the steel cords could have been damaged, it does not bear thinking about the consequences if one failed catastrophically on the Mway at 70mph, with Nashers Revenge in tow and the little nashers in the car.
personally i would leave alone to be on the safe side.
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Old 04 December 2008, 07:21   #6
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Doggy

Thanks very much for that advise, I think I'll leave well alone.

As you say, with the weight of the boat on the back, loaded up for camping, and with the family on board I need to be able to trust the rear tyres.


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Old 04 December 2008, 12:00   #7
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Reply from the seller:-

We have been advised of the following:
 Tyres should be stored upright.
 These tyres have been stored on their sides for about 9 months.
 If the tyres are removed from the wheels there is a possibility of the beading breaking which may cause the tyre wall to blister.
 We have successfully removed and reused tyres stored like this in the past however on one occasion we had a tyre that broke down hence the warning.
 The tyres and wheels if not separated will be as new and will last the full lifetime of the tyre.
 If in any doubt contact your local tyre supplier.

So basically what Doggy said.

Does anyone know if the L200 wheels will fit my 3.2 52 Plate Shogun?

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Old 04 December 2008, 13:02   #8
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[quote=doggypaddle;273841]
or squirt some easy start in the tyre and set lite to it, The rapid expansion literaly blows the tyre on the rim/quote]
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Old 04 December 2008, 14:02   #9
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[quote=Polwart;273898]
Quote:
Originally Posted by doggypaddle View Post
or squirt some easy start in the tyre and set lite to it, The rapid expansion literaly blows the tyre on the rim/quote]

Yes .. I think he meant lighter fuel/gas As easy start would blow it 'clean off' the rim and give you a short back and sides in the process
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Old 04 December 2008, 14:03   #10
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or squirt some easy start in the tyre and set lite to it, The rapid expansion literaly blows the tyre on the rim
Yep Icelandic glacier crawling style, I think they use hairspray, clearly because they are all blonde...
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Old 04 December 2008, 16:44   #11
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Does anyone know if the L200 wheels will fit my 3.2 52 Plate Shogun?

Just noticed the 'hole' in the middle is far too large for them to locate properly.



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Old 04 December 2008, 16:46   #12
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easy start, hairspray, lighter fluid, it all works. hairspray infact gives one of the biggest bangs and seems to ignite easily, wether its a stoichiometric mix or not, others are fussy and you need the fuel air ratio correct.
I did quite a bit of research on combustion pressures for all these making an F off big spud gun!
Hairspray Knackered the garage door at 10 feet,1.5" thick pine smashed to bits with a king edward slug
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Old 04 December 2008, 17:50   #13
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I love chemistry .. and tattie guns .. mind you,... there would have been a bit of 'experimental' use of propellants with the hairspray test I fear ? .... erm .. something like the more compressed the ignition space the faster they burn ... bet I get deleted for that tip
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Old 05 December 2008, 08:06   #14
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The absolute best is a stoichiometric mix of oxygen and acetylene
to get the pressure up you need a rupturable membrane of thick damp course polythene across the base of the launch tube, so pressure builds up before rupturing the membrane and launching the spudof course as you point out a bit of pre compression helps too!!
Turnips make better projectiles theyre tougher than spuds! but believe me there is a lot of energy in a litre of that mix going up i wouldnt recomend it. You shouldnt use plastic tube and if the barrell is 2" pipe it will floor you with the recoil when you pop the igniter.
DONT TRY IT AT HOME.
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Old 05 December 2008, 22:52   #15
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DONT TRY IT AT HOME.
Unless you're invited, right?
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Old 06 December 2008, 13:17   #16
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The absolute best is a stoichiometric mix of oxygen and acetylene
Oooooohh yes

When trying to keep the girl in the office awake, I used to fill a 250ml empty plastic water bottle and lob it into the fire now and again, such a big bang from such a small bottle Dont believe anyone who says it isnt volatile since one day I'd filled the bottle but forgot to put a flash hole in it , so I stabbed it with a screw driver, and gues what ? ...... yup cost me a pullover and some eardrums
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Old 07 December 2008, 16:33   #17
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i use liquid nitrogen..........time bomb
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Old 07 December 2008, 17:06   #18
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i use liquid nitrogen..........time bomb
.. erm for what seing as its almost inert? ..looks good when you throw it on the carpet mind you
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Old 08 December 2008, 07:08   #19
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well, if you put an inch in the bottom of a pop bottle, then screw the lid on, when it starts to warm up................

nitrogen cant remain liquid at above -147 no matter what pressure builds up ,and expands by around 700 times between the liquid and vapour phase .......bang just as good as hairspray but a bit cooler.
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Old 08 December 2008, 12:38   #20
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Well at least its non toxic just dont put ya finger in it
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