RC India

RC Equipments => Tools, Materials and Building Techniques => Topic started by: roopeshkrishna on April 29, 2012, 04:21:58 PM



Title: from where can i buy Helium gas..
Post by: roopeshkrishna on April 29, 2012, 04:21:58 PM
All respected Members.. i am engaged in a new project mission is to accomplish an air ship flying model.. for this i am willing to fill it with Helium, than that of Hydrogen.. can anyone tell me the way to get Helium Gas..? please.. any adivice.. :help:


Title: Re: from where can i buy Helium gas..
Post by: coolpratheesh on April 29, 2012, 04:58:24 PM
Roopeshji,
             Why dont try the local gas baloon guy...... Children will surely know about him.


Title: Re: from where can i buy Helium gas..
Post by: roopeshkrishna on April 29, 2012, 05:15:16 PM
ok.. will try.. have to find one..  :salute:


Title: Re: from where can i buy Helium gas..
Post by: VC on April 29, 2012, 06:06:14 PM
Balloon sellers use Acetylene - extremely flammable. Helium is inert and can be bought in cylinders. I had planned on the same project - a Zeppelin airship. However, after hearing the price of helium cylinders in Guwahati, I abandoned the project.

Helium cylinders - Rs.11,000/-

Hydrogen cylinders - Rs.6,500/-  :banghead:


Title: Re: from where can i buy Helium gas..
Post by: traxxrc1 on April 29, 2012, 06:18:55 PM
@VC Sir
Is that price for a whole cylinder?
 
@roopesh sir-
How much do u want? i think i have an idea


Title: Re: from where can i buy Helium gas..
Post by: VC on April 29, 2012, 06:30:34 PM
Yes. One has to buy the entire cylinder.


Title: Re: from where can i buy Helium gas..
Post by: VC on April 29, 2012, 09:37:37 PM
Now available through ebay!

http://www.ebay.in/itm/Disposable-Helium-Tank-/270954262770?pt=IN_Toys&hash=item3f1621f0f2

http://www.ebay.in/itm/Balloon-Time-Helium-Tank-/270954261882?pt=IN_Toys&hash=item3f1621ed7a


Title: Re: from where can i buy Helium gas..
Post by: roopeshkrishna on April 30, 2012, 12:22:43 AM
VC Sir, will you tell me once, about the quantity of the gas, in those cylinders..? please.. my craft will be 1.4 meter long and 11 inch in dia..


Title: Re: from where can i buy Helium gas..
Post by: SunLikeStar on April 30, 2012, 10:24:45 AM
You need ~14.14 cubic feet to fill the craft once and the first cylinder that VC posted is of 14.9 cubic feet of helium :)


Title: Re: from where can i buy Helium gas..
Post by: VC on April 30, 2012, 10:49:47 AM
Unless the airship is completely airtight, the helium will leak. Eventually, all of it will escape. Thus we are talking about an expense of Rs.10,000/- every time you want to fly. Not feasible for me, in India.


Title: Re: from where can i buy Helium gas..
Post by: roopeshkrishna on April 30, 2012, 04:46:30 PM
Sir is there any alternate as inexpensive, or resaonably expensive..? please..


Title: Re: from where can i buy Helium gas..
Post by: ujjwaana on April 30, 2012, 05:02:29 PM
Now available through ebay!

http://www.ebay.in/itm/Disposable-Helium-Tank-/270954262770?pt=IN_Toys&hash=item3f1621f0f2

http://www.ebay.in/itm/Balloon-Time-Helium-Tank-/270954261882?pt=IN_Toys&hash=item3f1621ed7a

Oppsss!! these options are Extremely expensive as these cylinders are directly imported. Many of the Advertising Blitz are using Helium.  Try contacting these guys instead:
http://yellowpages.sulekha.com/helium-balloon-advertising_calicut_contacts#


Title: Re: from where can i buy Helium gas..
Post by: roopeshkrishna on May 05, 2012, 06:25:51 PM
Ujjwaana Sir, a million thanks for the link.. and sorry for the delay in response as was working on some serious projects on models.. the conversation is going on.. with them..  :salute:


Title: Re: from where can i buy Helium gas..
Post by: gurudattapanda on May 06, 2012, 12:07:53 AM
not sure, but please check at the supplier who supplies different gas for Medical use and Gas Welding use.


Title: Re: from where can i buy Helium gas..
Post by: gurudattapanda on May 06, 2012, 12:10:08 AM
check the link, quantity is less but working:
http://www.farshot.com/content/view/55/25/


Title: Re: from where can i buy Helium gas..
Post by: roopeshkrishna on May 06, 2012, 12:24:03 AM
Great help Guru... :hatsoff:


Title: Re: from where can i buy Helium gas..
Post by: VC on May 06, 2012, 12:30:36 AM
My Helium / Hydrogen cylinder rates were quoted from Advertisement balloon suppliers.

guru - I think we are going to manufacture CO2 and NOT Helium here.CO2 is heavier than air. While the balloon may inflate, it certainly will NOT float.

Vinegar/acetic acid: CH3COOH and Baking soda or sodium bicarbonate: NaHCO3

When you mix the two chemicals, you get:

CH3COOH + NaHCO3 ---> CH3COONa + H2CO3

H2CO3 is carbonic acid which will later decompose and form carbon dioxide (CO2) and water (H2O):

H2CO3 ---> H2O + CO2

To put it simply:

CH3COOH + NaHCO3 ---> CH3COONa + H2O + CO2

Anything filled with CO2 will NOT float.

Sorry to burst the balloon! >:D


Title: Re: from where can i buy Helium gas..
Post by: gurudattapanda on May 06, 2012, 01:05:51 AM
sorry, i am not a chemical expert nor that much strong in chemistry now, just googled for it, and showed a link which i feel helpful!!
all the best!!


Title: Re: from where can i buy Helium gas..
Post by: roopeshkrishna on May 06, 2012, 10:36:22 AM
VC Sir.. still waiting to conduct the expiriment once.. but here all shops are closed due to harthal, due to political issues.. so, waiting for some baking soda.. but hope , from your explanation it may turn in to fun..  :giggle: anyway we can go for a try..


Title: Re: from where can i buy Helium gas..
Post by: VC on May 06, 2012, 11:19:45 AM
Roopesh, I have an idea.

Make the airship frame and cover it with the lightest possible black material. Make it airtight. The build has to be featherweight. That having been achieved, now we have 2 options:

A. Put it out in strong sunlight and see if the air inside heats up enough to create lift.

B. Place a low voltage Peltier plate on the airship with the cooling surface outside and the heating surface inside the airship. Connect the power supply and see if the air inside gets hot enough to generate lift.


Title: Re: from where can i buy Helium gas..
Post by: sanjayrai55 on May 06, 2012, 11:51:23 AM
  .


Title: Re: from where can i buy Helium gas..
Post by: AEROVISHWA on May 06, 2012, 11:56:19 AM
@VC sir... that will be like a weather balloon...! but awesome idea...

some suggestions

http://www.rcgroups.com/forums/showthread.php?t=1022330
http://www.youtube.com/watch?v=0VBTKEPAzvA

others who did not understand the discussion
http://en.wikipedia.org/wiki/Airship


Title: Re: from where can i buy Helium gas..
Post by: VC on May 06, 2012, 12:13:29 PM
Many years ago, when I was a student in Kolkata, I remember a guy selling 3' long black plastic sleeves on the footpaths. One end of the sleeve would be tied up and he would hold the other open end and move the entire thing back and forth rapidly, forcing air into the open ended sausage. Once it had enough air, he would seal the other end too. Now we had a black sausage lying on the footpath, exposed to strong Kolkata sunshine. After a while, it would begin to float up to the amazement of passers by and bystanders.
I recall that he used to bounce the balloon on the footpath to demonstrate its strength. Wonder what that material was........couldn't have been any space age stuff because it used to be sold for a princely Rs.5 or 10 per piece.

Interesting link:

http://www.heliumcalculator.com/


Title: Re: from where can i buy Helium gas..
Post by: roopeshkrishna on May 06, 2012, 12:54:24 PM
all Respected ones.. painstakingly working on expiriments.. but here i have to lift a good camera, with battery, and one powerpack for propultion and directional control.. whole electronics weighs about 260 grams.. great head ache..


Title: Re: from where can i buy Helium gas..
Post by: gurudattapanda on May 24, 2012, 01:08:26 PM
http://orders.ebay.in/ws/eBayISAPI.dll?ImportHubViewItem&itemid=170842290156

Please Check the Link, Its A Weather Balloon used for Lifting Measuring Equipment but may help you!!


Title: Re: from where can i buy Helium gas..
Post by: roopeshkrishna on May 24, 2012, 01:16:07 PM
Guru.. will try once.. and tried with hydrogen, but not enough force to blow up the envelop.. so atill waiting to realize the craft..


Title: Re: from where can i buy Helium gas..
Post by: noname on January 19, 2016, 04:23:05 PM
hey i know its little late to reply to this
i found balloon time on amazon here's the link http://www.amazon.in/American-Balloon-Company-324756-Helium/dp/B004XHWCSY/ref=sr_1_1?ie=UTF8&qid=1453195301&sr=8-1&keywords=helium+tank
here's another one for cheaper
http://www.amazon.in/Balloon-Time-296933-Helium-Tank/dp/B000TVFDO8


I even wanted a helium tank for my project but couldn't find any in indian online shopping website.I had an idea i searched helium tank  on amazon.in website about 20-30 times in total.About a month later now they are selling helium tank.You can try same when you don't find anything you need or you can just call them and tell them what you want but calling them didn't help me.hope this helped


Title: Re: from where can i buy Helium gas..
Post by: noname on January 19, 2016, 04:34:53 PM
and another link
http://www.marsgas.net/helium-gas-cylinder.html#balloon-gas-helium-cylinder


Title: Re: from where can i buy Helium gas..
Post by: v2 eagle on January 21, 2016, 04:32:33 PM
Why dont we produce H2 instead. lighter than helium, ive seen a simple apparatus using acrylic for producing h2 with few electrodes and a car battery.


Title: Re: from where can i buy Helium gas..
Post by: noname on January 21, 2016, 05:08:41 PM
because h2 is highly inflammable


Title: Re: from where can i buy Helium gas..
Post by: v2 eagle on January 22, 2016, 12:39:37 PM
Yeah, but for smaller experimental purpose, im sure no big harm with H2. ofcourse ive seen those video of h2 balloon bursting. but they are because they are filled with both H2 and O2.


Title: Re: from where can i buy Helium gas..
Post by: Mohammed Raza on January 16, 2019, 12:36:56 PM
Hi, Here is the solution for your question you can buy helium gas at sp4mm3r they are providing helium gas cylinders in different sizes at an affordable price for customers convenience. thank you
http://www.sp4mm3r.com/ (http://www.sp4mm3r.com/)