--
Dmytro(Dima) Silin, PhD
Committee Chair for Indoor Free Flight
Model Aircraft Association of Canada
Office:519-489-6726#484 | Mobile 343-777-1303
dmytro.silin_at_gmail.com | Facebook # Indoor Free Flight |
On Wed, May 22, 2019 at 4:47 PM mark bennett f1diddler_at_yahoo.com [Indoor_Construction] <Indoor_Construction_at_yahoogroups.com> wrote:
Thanks Jake. I did mean it, saying, "time for me to ditch the 100 grammers." But was just thinking out loud regarding Kurt's question on the discrepancy between party balloon fill volume vs (more compressed) helium in steering balloon. I'm probably not going to make KD anyhow.
Btw, has anyone experimented with hydrogen? I know H2 has a bad rap, ("Oh...the humanity!") But in India they've been using H2-filled balloons in festivals for decades. Not without some mishaps, but indoorists dont smoke and get crazy like they do. So far. :^))MB
On Wednesday, May 22, 2019, 3:48:50 PM EDT, Jake Palmer 82.jake_at_gmail.com [Indoor_Construction] <Indoor_Construction_at_yahoogroups.com> wrote:
Mark,
You'll definitely need a smaller 36" balloon at Kibbie. I can give you one of my spares if you don't have one. I only have 1 full tank and about 1/3 of another tank. That combined with higher than usual attendance (close to 30 people) means the helium supply will be limited this year. I can't allow people to fill oversize or extremely leaky balloons because we just don't have the helium to spare.
Jake
On Wed, May 22, 2019 at 11:31 AM mark bennett f1diddler_at_yahoo.com [Indoor_Construction] <Indoor_Construction_at_yahoogroups.com> wrote:
Edit. It's got to be way more than double the helium for the 100 grammers, since Im comparing to 30 grammers, i think.
On Wednesday, May 22, 2019, 1:26:22 PM CDT, mark bennett f1diddler_at_yahoo.com [Indoor_Construction] <Indoor_Construction_at_yahoogroups.com> wrote:
The latex balloons used for steering can compress helium way more (per water volume) than a mylar wall party balloon. For that matter, those 100g Scientific Sales balloons i have used (nominally also called 36", I think) will take (it seems) double or more the helium moles compared with the popular lighter latex balloons, espcially those final 2 or 3 three inches of diameter to get a manly pull. Time for me to ditch the 100 gram style.
On Wednesday, May 22, 2019, 8:54:33 AM CDT, Kurt Krempetz krempetz_at_yahoo.com [Indoor_Construction] <Indoor_Construction_at_yahoogroups.com> wrote:
Hi Tom,
Wow, that would not of been my guess, your numbers show the size difference is 31.8 so that .84 cents for the helium to fill a dollar store balloon. I am sure the mylar balloon is very inexpensive, so it appears the dollar store isn't losing money, like I originally thought. Thanks for the data on the volume of each balloon.
Cheers,
Kurt
On Wednesday, May 22, 2019, 8:25:57 AM CDT, Tom Sova tjssyl_at_gmail.com [Indoor_Construction] <Indoor_Construction_at_yahoogroups.com> wrote:
Kurt, An 18” foil balloon holds .44 cf of helium vs 14 cf for a 36” latex steering balloon.
Tom
On Wed, May 22, 2019 at 9:11 AM Kurt Krempetz krempetz_at_yahoo..com [Indoor_Construction] <Indoor_Construction_at_yahoogroups.com> wrote:
The Dollar Tree in my area is selling mylar balloons which float for a buck, there not as big as a 36" balloon but not 27 times smaller, so how are they able to do this at the cost of helium these days?
Cheers,
Kurt
On Tuesday, May 21, 2019, 10:46:29 PM CDT, Tom Sova tjssyl_at_gmail.com [Indoor_Construction] <Indoor_Construction_at_yahoogroups.com> wrote:
So at approximately 14 cubic feet per 36 inch latex balloon. Six balloons per tank. That’s $27 per balloon if anyone wants a balloon filled.
Tom
On Tue, May 21, 2019 at 11:35 PM Don Slusarczyk don_at_slusarczyk.com [Indoor_Construction] <Indoor_Construction_at_yahoogroups.com> wrote:
Just throwing some info out for all. I had my two 80 cubic foot tanks
refilled after the Kent contest (actually its a bottle swap not a
"refill"). It was $167 a bottle and took 2 weeks to get. They had to be
ordered but at least I was able to get some. I recall the $32 refills
when I first got the tank, then was about $50-$60 for many year until
the recent helium shortage and then went up to $115 (about 2 years ago)
and now $167. Hydrogen filled steering balloons anyone? :-)
--
Don Slusarczyk
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Posted by: Don Slusarczyk <don_at_slusarczyk.com>
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