GE Space Propulsion Calculator

General Electric Space Propulsion Calculator cover 07

The Space Production Calculator was designed by the Flight Propulsion Laboratory Department of the General Electric Company. The manufacturer and year of production are unknown. The calculator is 7.125 inches in diameter and consists of three plastic disks. It is described as a valuable engineering tool for swiftly computing a number of engineering characteristics of propulsion systems for space vehicles.

General Electric Space Propulsion Calculator front 03

Front

Note the reference to chemical rockets, nuclear rockets, plasma jets, and ion and magnetronhydrodynamic propulsion.

General Electric Space Propulsion Calculator back 02

Back

The window shows the hours in a day, days in year, distance from Sun, Mass as multiples of Earth’s mass and radius in 100s of miles.

General Electric Space Propulsion Calculator cover 04

Inside wallet left

General Electric Space Propulsion Calculator cover 05

Inside wallet right

General Electric Space Propulsion Calculator cover 03

Front and back of wallet

The wallet, with instructions and diagram inside, is 7.125 inches square.

The calculator was perhaps given to GE’s own engineers and those at client and associated companies. The number distributed is unknown but it is very rare.

For more posts about Space Age calculators click on the Space Age Calculators category on the right.

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