BALLAST COMPUTATIONS FLIGHT #
Balloon Surface Diffusion $\left\{ \begin{array}{l} \text{measured} \\ \text{estimated} \end{array} \right\}$ gm/hr. o/o Inflation _________ o/o
Full balloon surface diffusion - balloon surface diffusion
(o/o Inflation) 2/3 _________ gm/hr.
Estimated full Balloon ceilin diffusion - F. B. Surface Diffusion
× $\frac{\text{Ceiling Pr.}}{\text{Surface Pr.}}$ _________ gr/hr.
Description of Ballast Unit: (components, serial nos. Dimensions)
Amount of Ballast ______________________ gm.
Initial flow, maximum head ______________________ gm./min.
Maximum flow, maximum head ______________________ gm./min.
Estimated Ballast duration $\frac{\text{Amount of ballast}}{\text{Full balloon ceiling diffusion}}$ _________ hrs.
Size Orifice used _________ in. Waiting time before release _________ min.
Size Limiting Orifice used _________ in.
Size filter used _________ in.
Initial Head to valve or orifice _________ in.
Final " " " " _________ in.
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