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Offline pixiecat

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How many sparklet air cannisters
« on: May 17, 2015, 10:11:13 pm »
Does anyone know how many sparklet air cannisters it takes to inflate the front and rear tyres.

Thanks
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Offline Coconut

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Re: How many sparklet air cannisters
« Reply #1 on: May 17, 2015, 11:01:04 pm »
Short answer : No !

Long answer :

"Sparklet" was a trade name used by the Soda Stream company to describe a small "bulb"
 containing compressed Co2 ( Carbon Dioxide ) used in their "fizzy soft drinks" machines.

Some emergency tyre inflation kits use similar "bulbs" often described as "Sparklet" bulbs,
whether they are from the original Company or not, so may have varying capacities,
making it difficult to answer the question without more information on the particular product being used.

You would need to know the capacity of the "bulb" and its pressure, and then using Maths ( not my strongest subject ),
you could calculate the volume of your specific tyre ( different size / profile tyres will have differing volumes ),
and the pressure you wanted it to be at. and could then calculate how many "bulbs" would be needed.

I wonder why you are asking the question though ? - Is it for emergency inflation after a puncture and roadside repair ?

There are many emergency puncture repair kits for "cycles" ( of the pedal variety ) which use compressed Co2 cylinders,
but they have smaller volume requirements than a motorcycle tyre, and are generally going to be used where there is
no access to a powered air pump. ( i.e. on a a peal cycle ).

An issue to be aware of when using compressed CO2 to inflate tyres,
is that many people have reported that their tyres deflate quicker than if filled with ordinary "air".

The other problem is that if you're planning on using for emergency inflation after a temporary roadside puncture repair,
you run the risk of running out of "bulbs" if the puncture repair didn't work first time, and you have to replug the hole.

A better option could be to have a small portable air compressor running off the motorcycle 12v supply.

Have a look at this Topic : Mini Air Compressor and / or use the Search button and search for "Puncture"  :028:



 

Offline skiprat

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Re: How many sparklet air cannisters
« Reply #2 on: May 18, 2015, 12:28:41 am »
Not had to use the Co2 cartridges in anger yet, I carry four 16g on tour to assist the mini compressor to re-inflate a tyre after a puncture.With the mini compressor delivering low volumes of air it can become very hot if used from zero psi to full pressure.
I bought ten cartridges and a valve connector and tried one on a deflated trailer tyre and felt that three cartridges and a finish with the compressor was the way to go, but I have the non SE so a useful storage box under the seat for all this stuff.

Offline atrophy

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Re: How many sparklet air cannisters
« Reply #3 on: May 18, 2015, 01:09:49 am »
You can buy a portable compressor for $30 to $100.  I had an experiences with a large hole that took more than one attempt to plug the leak.   It took two "strings" to plug the hole and there was still a slow leak.  I used the compressor several time to keep the tire up as i rode the 70 miles to get to a dealer to buy a new tire.  I was 1000 miles from home.  The tire was new when i left home.
 Save the cartridges for your bicycle.
Good luck.
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Offline Gordon3xBBB

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Re: How many sparklet air cannisters
« Reply #4 on: May 18, 2015, 08:05:23 am »
The correct answer is more than 6 (SIX).

A few years ago I fixed a puncture in the rear tyre of my '97 Trophy and then attempted to use the CO2 cannisters to re-inflate it.
I used SIX (6) cannisters and only got the tyre pressure to 26 psi....at which point I had no cannisters left.
26 psi is no good for running, even moving this bike. A TTSE even less so..

The small CO2 cannisters sold as Emergency Tyre Inflators may work OK on a bicycle but for a motorbike such as the TT(SE) - quite frankly I wouldn't bother...

It's a problem of physics really. Pressure equals Volume times Temperature P=VxT.

The pressure of the CO2 cannisters is not that high (I don't know exactly what it is either, but it will be well short of 100 psi) and they are very small - so to attempt to fully inflate something as large (in volume terms) as a Rear Tyre is asking a bit much, even if many more than 6 are used it becomes almost pointless.
The main problem I found is that the method of connecting the cannisters to the schrader valve means a certain amount of pressure is "lost" during the connection and subsequent dis-connection process..

Far better to use a Mini-Compressor such as the AirMan Tour which you can plug into the Power Outlet and (with the Engine Running, otherwise you'll weaken or flatten the Battery) inflate your flat tyre that way..

http://www.my-airman.com/product/inflators/tour

These are very reliable and easy to use. Other products are available...

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Offline pixiecat

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Re: How many sparklet air cannisters
« Reply #5 on: May 18, 2015, 06:17:23 pm »
It hanks for the info..I do carry a mini compressor when i have my panniers fitted. I keep my mushroom tyre plugger kit in the seat compartment on my TTSE. The sparklet air cannister came from a motocycle kit.
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Offline john348

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Re: How many sparklet air cannisters
« Reply #6 on: May 19, 2015, 04:53:19 pm »
i keep my mini compressor under the seat.  I did get a puncture and used an insert to repair but I was at a garage and used their pump but I still could not get the pressure up. Paid a fortune to not get any pressure (tried 4 times).  Before anyone asks the puncture was fixed and not leaking it was just a rubbish pump.

Offline gtgt2112

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Re: How many sparklet air cannisters
« Reply #7 on: May 26, 2015, 11:54:18 am »
Have to agree with the buy a small compressor answers. I have tried both and found 6 cylinders did not inflate my rear BMW tire enough, it got me to a garage though. And the plus of a compressor is that you can help a fellow biker out. With regard to compressors I have found that many of them are easier to pack if removed from the plastic enclosure. It exposes the moving parts, but I hang mine from the foootpeg whilst it is running