I finaly got mine inflated (alex rims, maxxis tyres) by wraping electrical tape round and round and round the rim untill the tyre bead was actualy tight.
Went up with a track pump (and not even a particularly big volume one) and added about 30g to the setup.
Haha, I had a road tyre explode in the kitchen the other day, took me 30 seconds to realise that the radio hadn't actualy turned off!
excellent little trick. its certainly made them inflate fast enough, but i think the bottle top leaks a little bit and the tyres going down slowly afterwards. i might need to wait for it to be fully down, then get some pliers on the locknut for a better seal.
didnt go up at all leaving the inner core in, so im a bit worried im never gonna get it blown up and stay up :-/
great fiddle tho for getting the tyres up quick. well done 
I'd thought about doing this but this has solved a few issues I wasn't sure about....
I've found an even better way to get your tyres to stay inflated, and with far less faffage!
Et voila:
I know, I know. It'll be all the rage next year....
correct. less faffage in your garage, but more faffage whilst your riding and get a puncture
Not really. Bung new tube in, pump up and away. Not stopping every two minutes to pump it up again cos the hole's too big for the sealant to fill propply. 
not very likely tho. and in the very rare occasion that may happen, just 'bung new tube in, pump up and away' 
oh, and wait for your mate whose tube has just got another puncture 
just 'bung new tube in
Ah, right, ok....
I is win so ner.
Was contemplating one of these for when I go tubeless, then I remembered, I've got a compressor in the garage!
I just had an idea - anyone know where you can buy hoses that clip of screw onto scrader valves?
Car tyre + 1/4 turn valve + 2 female scraders (or 1 scrader plus one presta) and voila -instant 30-40psi reservoir and fast siphon.
Anyone killed themselves/blown their face off/destroyed part of their house using this thing yet?
Built one of these yesterday, great invention! Cost me about a fiver, aquarium tubing, plus bottle of Diet Coke. Awesome! Very nerve wracking pumping it up to 80psi, but all good so far.
I've made one a few weeks ago, its made things much easier
tick - bump
Another satisfied customer of this thread here. Followed the OP's instructions more or less exactly, used 4.7mm ID windscreen washer tubing (which I already had for bleeding brakes) which was a very tight fit but just about ok. Mole grips to hold the tube worked well. Needed 60psi in the bottle to get a slack old High Roller to inflate on a Flow, with rimstrip. Didn't blow my face off or destroy the house, which was a bonus. Cheers!
I've used mine with great success... when the valve core is removed. With the core screwed in it won't depress to let air in and inflate the tube. This is pressures 40-80psi
Its amazing how quickly it'll blow up a tyre though!
I once saw Panda Pop bottles (the little ones) being tested at the Badger Brewery. Can't remember the pressure, but once they get to the critical point, the side suddenly gives way and bulges out like a party balloon, before it explodes. So if you see a bulge, you have about half a second to cover your ears. If you've gaffer taped it, who knows
great thread
Anyone killed themselves/blown their face off/destroyed part of their house using this thing yet?
Real men wouldnt worry about such things
From soggy bottle rocket experience a 2 ltr Coke bottle goes at any where between 150 and 180 psi. That's when 30% full of water. Never had one fail at less than 140 psi.
Thanks to all who posted on this thread - managed to inflate an extremely stubborn Swampthing tonight using a 2 litre lemonade bottle! It had resisted all other efforts, almost used up a whole bottle of washing-up liquid the other night with no success.
Bit of a let-down though, the tubing cost me £2.49 from Halfords!
How many psi in the bottle did it take? Almost 80psi to get my Swampthings to seat. Ace now I know how to do it though, with the syringe to transfer sealant I can do a tubeless tyre swap in a leisurely 15 minutes (aka 5 minutes in 'forum bike maintenance time minutes'...)
prouster - how comes I never get anything useful from Halfrauds?
Diving bottle works well. I've got a 209 bar 3ltr bottle off a mate who bought about 4000 at auction (ex-Falklands escape breathing apparatus for the troops who were transported by ship).
209 bar is about 3030 psi, so it will inflate anything from bike tyres to a paddling pool in about 3 seconds.
How many psi in the bottle did it take?
How comes I never get anything useful from Halfrauds?
if anyone wants a cheap steel tank, try a commercial vehicle breakers. They have an endless supply of air brake tanks which can be had for a few quid.
Just inflated two 2.35 super tacky high rollers onto Mavic CrossRide wheels using a 3ltr cider bottle at 110PSI. Worked beautifully.
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