Flight No. ___
Date___
Time___
BALLOON INFLATION
Desired Rate of Rise . . . . ___ ft./min.
Gross Load . . . ___grams
Free Lift - from Rise chart___grams
Free Lift = $ \frac{V}{412} $ $ ^{2}G^{2/3} $ ___ grams
Equipment Weight___grams
Desired Balloon Inflation = Free Lift ♢ Equipment Total___grams
Allowance for Leakage @ ___gm/hr., ___hrs. waiting___ grams
Actual balloon lift . . . . . . . . . . . ___ "
AActual gross lift (Balloon lift & balloon wt.) . . . . . ___ "
Number Helium tanks required at___kg lift/full tank. . . ___ tanks
Length balloon above shot bag . . . . . . . . . ___ feet
MAXIMUM ALTITUDE
Balloon Volume . . . . .
Gas Lift/mol . . . . . . . . . . Hydrogen 12.0 kg/mol
Molar Volume = $ \frac { \mathrm { B a l l o o n v o l u m e x g a s l i f t / m o l} } { \mathrm { g r o s s l o a d} } $ ___ cu. ft.
Maximum Altitude . . . . . . . . ___ ft. m.s.l.
Altitude Sensitivity . . . . . . . ___ ft./kg.