Antenna
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1991.0476.001
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- OBJECT TYPE
- STEM VARIATION/JACK-IN-THE-BOX
- DATE
- 1965
- ARTIFACT NUMBER
- 1991.0476.001
- MANUFACTURER
- de Havilland
- MODEL
- Unknown
- LOCATION
- Ontario, Canada
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- NON-FERROUS METAL CASING/ METAL ALLOY (BERYLLIUM-COPPER?) ANTENNA/ SYNTHETIC OR RUBBER LIG STRAP
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 3.5 cm
- Width
- 2.6 cm
- Height
- 3.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Space Technology
- Category
- Miscellaneous
- Sub-Category
- N/A
Manufacturer
- AKA
- deHavilland
- Country
- Canada
- State/Province
- Ontario
- City
- Unknown
Context
- Country
- Canada
- State/Province
- Unknown
- Period
- 1960'S
- Canada
-
INVENTED AT NRC FOR MILITARY PURPOSES & DEVELOPED FOR SPACE APPLICATIONS BY THE SPECIAL PRODUCTS & APPLIED RESEARCH DIV. (LATER SPAR AEROSPACE) OF DE HAVILLAND, STEM ANTENNAS WERE FIRST USED IN CANADA ON THE ALOUETTE-ISIS SATELLITES, AS WELL AS MANY U.S. CRAFT. STEM TECHNOLOGYHELPED SPAR TO BECOME ONE OF CANADA'S MAJOR MFR'S OF SPACE TECHNOLOGY. - Function
-
AN EARLY VERSION OF A SELF-EXTENDING ANTENNA USED ON ROCKETS OR SATELLITES - Technical
-
A VERY EARLY SAMPLE OF THE JACK-IN-THE-BOX TYPE STEM ANTENNA, A VARIATION OF THE STEM TECHNOLOGY IN WHICH A THIN RIBBON OF PRE-STRESSED METAL WAS TWISTED & ROLLED INTO A CASING WITH A LID. IN ORBIT IT WAS RELEASED TO FORM A LONG TUBE. THIS ENABLED THE VERY LONG ANTENNAS REQUIRED BY SPACECRAFT TO BE MADE. - Area Notes
-
Unknown
Details
- Markings
- DECAL WITH RED & BLUE DE HAVILLAND LOGO, BLUE LETTERING READING `STEM' & BLACK `STORABLE TUBULAR EXTEN___' WITH REMAINDER OBLITERATED
- Missing
- N/A
- Finish
- GREY PAINTED CASING/ PLATED LID & LEVER/ RED-BROWN STRAP
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
de Havilland, Antenna, circa 1965, Artifact no. 1991.0476, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1991.0476.001/
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