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7)

speed of the balloon --------------------------------------------- 16 feet per second
Direct lateral resistance of the atmosphere ---------------------- 128 lbs.
Necessary horse power of Gas Engine to overcome this resistance -- 7

Gas-engine. 4 cylinders
Diameter of cylinder --------------------------------------------- 12"
length of stroke ------------------------------------------------- 6"
Revolutions per Minute ------------------------------------------- 100
Horse Power ------------------------------------------------------ 7
Gas, used by the Engine during 12 hours -------------------------- 746 C. feet

Cooling apparatus
Total surface of pipes ------------------------------------------- 335 sq. feet

Vertical propellers
Diameter --------------------------------------------------------- 10.8 feet
Surface of both propellers --------------------------------------- 132 sq. feet
Revolutions per Minute ------------------------------------------- 252
Produced pressure against the atmosphere by both propellors ------ 128 Lbs

Horizontal Propellor
Diameter --------------------------------------------------------- 6 feet
Number of Revolutions -------------------------------------------- 240
Surface ---------------------------------------------------------- 28.4 sq. f.
Produced pressure against the atmosphere ------------------------- 24 Lbs

Weights
Balloon structure, wooden frame & two rudders -------------------- 468 Lbs
gas engine complete ---------------------------------------------- 1484 Lbs
cooling apparatus ------------------------------------------------ 133 Lbs
2 vertical propellors -------------------------------------------- 192 Lbs
1 horizontal propellor ------------------------------------------- 53 Lbs