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helium [2019/03/28 20:26]
harvy
helium [2019/03/31 11:24] (current)
harvy
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 [[http://​www.airproducts.com/​Products/​Gases/​gas-facts/​conversion-formulas/​weight-and-volume-equivalents/​helium.aspx]] [[http://​www.airproducts.com/​Products/​Gases/​gas-facts/​conversion-formulas/​weight-and-volume-equivalents/​helium.aspx]]
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-[[https://​ukhas.org.uk/​guides:​balloon_data?​s[]=helium]] 
  
 What we have used:  What we have used: 
 [[https://​www.gas-uk.co.uk/​helium-10-litre.html]] [[https://​www.gas-uk.co.uk/​helium-10-litre.html]]
 +
 +Working out how much we need:
 +
 +Using the chart from [[https://​ukhas.org.uk/​guides:​balloon_data?​s[]=helium]] we've calculated using a 1000 totex balloon that we need 2.23 cu. m for a 500g payload. This translates to 3 litres of liquid helium. We would buy the 10 litre bottle from Gas-Uk, which **should** be enough for three flights.
helium.txt ยท Last modified: 2019/03/31 11:24 by harvy