Diaphragm collection

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OBJECT TYPE: 3.5 inch diameter/burst
DATE: 2010
ARTIFACT NUMBER: 2013.0140.005

MANUFACTURER: NRC, Div. of Mechanical Engineering, Engine Laboratory
MODEL: Unknown
LOCATION: Ottawa, Ontario, Canada

More Information

General Information

Serial #: N/A
Part Number: 5
Total Parts: 6
AKA: burst diaphragms
Patents: N/A
General Description: Clear synthetic [mylar ?] diaphragms secured between unbleached cardboard forms.

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 21.5 cm
Width: 18.4 cm
Height: 1.8 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Aviation
Category: Research
Sub-Category: N/A

Manufacturer

AKA: NRC
Country: Canada
State/Province: Ontario
City: Ottawa

Context

Country: Canada
State/Province: Ontario
Period: Unknown
Canada: Canada’s first fully functional flight impact simulator. National Research Council of Canada has been using flight impact simulators [FIS] for almost half a century. Indeed, few organisations on this Earth have been involved in bird strike testing longer than NRC. NRC has played a crucial role in making flying safer. It is very likely, if not almost certain, that the flight impact simulators located in Ottawa were the inspiration for the Chicken Cannon irregularly put to use on the CBC’s weekly television show Royal Canadian Air Farce. The Chicken Cannon made its appearance on Friday, March 4th, 1994. It was apparently last fired on Thursday, December 18th or Friday, December 19th, 2008, at the taping of the show’s very popular New Year’s special. Throughout the years, the Chicken Cannon was loaded and fired by one of the show’s most popular character, Colonel “Teresa” Stacey, played by Don Ferguson. As well as a sizeable number of rubber chickens, the Chicken Cannon fired a bewildering variety of items, primarily food, at photos of individuals, either Canadian or foreign, who were deemed to be the most annoying at the time. Viewers proposed many targets. [Ref. 1]
Function: Unknown
Technical: "The cardboard was placed on either side of the stack of 20 x 50 inch rectangular Mylar sheets to protect the outer ones from scratches when the stack was cut to the pattern on a vertical bandsaw. The stack could be 20 or more sheets thick and 3 10-inch gun diaphragms could be cut out from this sheet size." [R. Gould, Ref. 4] Diaphragms could be stacked/layered within simulator, and ruptured following firing of gun.
Area Notes: Unknown

Details

Markings: "3.5"/ gun/ 0.0015" and "3.5"/ gun/ 0.001" printed by hand in ink on cardboard forms.
Missing: Each diaphragm complete in itself.
Finish: Clear synthetic [mylar ?] diaphragms secured between unbleached cardboard forms.
Decoration: N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

NRC, Div. of Mechanical Engineering, Engine Laboratory, Diaphragm collection, before 2010, Artifact no. 2013.0140, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/2013.0140.005/

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