Cryo Test for Kerosene as Alternate Ballast Material

DESCRIPTION

The 1947 controlled-altitude balloon study used kerosene as ballast material. Because kerosene has a very low vapor pressure, it will greatly reduce the chance of fire in all situations. However, it becomes very viscous at low temperatures, and may not flow out of the ballast valve quickly enough for it to be suitable. It's a readily available material, and can be obtained at gas stations, airports, etc.

testing/cryogenic/compmat/cryo23.txt · Last modified: 2010/11/07 20:49 (external edit)
 
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