Fisher Space Pen Since 1953

  

The Fisher Space Pen (also known as the Zero Gravity Pen), marketed by Fisher Space Pen Co., is the original pen that uses pressurized ink cartridges and will write in zero gravity, upside down, underwater, over wet and greasy paper, at any angle, and in extreme temperature ranges.

These pens can write at altitudes up to 12,500 feet (3810 m). The ink is forced out by compressed air at a pressure of nearly 35 pounds per square inch (240 kPa). Operating temperatures range from -30 to 250 degrees Fahrenheit (-35 to 120 degrees Celsius). These pens have an estimated shelf life of 100 years.

There exists a common urban legend claiming that because a standard ballpoint pen would not work in zero gravity, NASA spent $11 million developing the zero-g capable Space Pen, with the humorous note that the Russian space agency opted to simply use pencils.  In fact, NASA programs have used pencils but because of the danger that a broken-off pencil tip poses in zero gravity and the high flammability of both the graphite and wood present in pencils a better solution was needed.

NASA never approached Paul Fisher to develop a pen, nor did Fisher receive any government funding for the pen's development. Fisher invented it independently, and then asked NASA to try it. After the introduction of the AG7 Space Pen, both the American and Soviet (later Russian) space agencies adopted it.

Another rumor has it that the Apollo 11 astronauts accidentally snapped off a switch which was necessary to permit them to fire the engine to return to the Earth; and that a Fisher Space Pen was used to press this button.

 

 
 

SPACE PEN INFORMATION AND SPECS
 
Model:  AG7-40
Description:  Astronaut Pen  40th Anniversary of the 1st Moon Landing
Finish:  Chrome w/ Special Moon Landing Engraving
Composition:  All Metal
Length:  5.0" x .375" Diameter
Condition:  Brand New
Retail Price:  $60.00
Style:  Push Button
Refill:  Fisher PR4 Black Ink Medium Point 

The crew of NASA's Apollo 11, the first manned mission to land on the Moon, fulfilled the goal set by President John F. Kennedy, that the United States would reach the lunar surface by the end of the 1960's.
 
Launched on July 16, 1969, it carried a crew of three: Commander Neil Alden Armstrong, Command Module Pilot Michael Collins, and Lunar Module Pilot Edwin Eugene "Buzz" Aldrin, Jr.  On July 20, Armstrong and Aldrin became the first humans to land on the Moon, while Collins orbited above the lunar surface.
 
The design and construction of this pen has not changed in 36 years. The pen you buy today is exactly the same as the one taken to the moon in 1969. It is a heavy pen and the weight rests reassuringly in your hand as you write. The AG7 is made from solid brass with an extremely hard Chrome plating. It has a very positive and substantial feeling click mechanism. You press down on the top to extend the refill and press the side button to retract the refill. Its special design assures you that you'll always retract the point before you slide it into your pocket. It's constructed of all brass and steel components of the highest quality and is made in the USA.

All Astronaut Pens are attractively packaged in heavy duty gift boxes with flock lining and come with a pamphlet describing the history of the Fisher Space Pen.

AG7s are used on all NASA Apollo and Shuttle missions, ISS International Space Station, Russian Soyuz and MIR space flights, French ARIANE Space Program, Everest North Face Ski Expedition.
 

 

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