Re: Best Helium Inflation??
You wouldn't need a huge tank of helium, but you would need a lot more than you realise. And any balloon, no matter what the size, will float - even a tiny, insignificant 5" balloon will float - though not for long (maybe 10-20 minutes, if you're lucky). Weather temperature also affects buoyancy too.
An average-sized helium cylinder (that stands about 4ft in height, and has about 5 cubic metres worth of gas in it, and weighs about 25kg), would probably fill about ten x GL-1200's, give-or-take.
Going by current costs (for me, at least), one such cylinder would cost about £175 to purchase (excluding the hire charges, but inclusive of most taxes), and that would equate to about £25's worth of helium per GL1200 filled.
Seeing as the price of a GL1200 balloon, is about £7, you're looking at about £32 (give-or-take) to fill one GL1200 with helium! Add-in another £3 for treating it with Hi-Float, to keep it afloat for even longer, and you could have it stay floating, for over three months solid, with ease - as long as the room it was in didn't have too much variance in temperature, of course! (I've had 36" Qualatex rounds, treated with Hi-Float, and filled with helium, stay afloat for two months, with ease!)
Yes, it would definitely be fun, but also an extremely expensive science project - £35 for one GL1200! Now, all you'd need is a room big-enough to store it in...
...but that'll probably set you back a few hundreds of pounds/dollars! LOL
You wouldn't need a huge tank of helium, but you would need a lot more than you realise. And any balloon, no matter what the size, will float - even a tiny, insignificant 5" balloon will float - though not for long (maybe 10-20 minutes, if you're lucky). Weather temperature also affects buoyancy too.
An average-sized helium cylinder (that stands about 4ft in height, and has about 5 cubic metres worth of gas in it, and weighs about 25kg), would probably fill about ten x GL-1200's, give-or-take.
Going by current costs (for me, at least), one such cylinder would cost about £175 to purchase (excluding the hire charges, but inclusive of most taxes), and that would equate to about £25's worth of helium per GL1200 filled.
Seeing as the price of a GL1200 balloon, is about £7, you're looking at about £32 (give-or-take) to fill one GL1200 with helium! Add-in another £3 for treating it with Hi-Float, to keep it afloat for even longer, and you could have it stay floating, for over three months solid, with ease - as long as the room it was in didn't have too much variance in temperature, of course! (I've had 36" Qualatex rounds, treated with Hi-Float, and filled with helium, stay afloat for two months, with ease!)
Yes, it would definitely be fun, but also an extremely expensive science project - £35 for one GL1200! Now, all you'd need is a room big-enough to store it in...
...but that'll probably set you back a few hundreds of pounds/dollars! LOL
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