Suit part, anti-G

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TYPE D’OBJET
limb/hydraulic
DATE
1939
NUMÉRO DE L’ARTEFACT
2002.0613.003
FABRICANT
University of Toronto
MODÈLE
F.F.S. III
EMPLACEMENT
Toronto, Ontario, Canada

Plus d’information


Renseignements généraux

Nº de série
prototype 1
Nº de partie
3
Nombre total de parties
10
Ou
right upper arm
Brevets
S/O
Description générale
cotton [and possibly other] fabric components; metal zippers and eyelets; rubber bladders and tubing; synthetic tubing connectors

Dimensions

Remarque : Cette information reflète la taille générale pour l’entreposage et ne représente pas nécessairement les véritables dimensions de l’objet.

Longueur
27,0 cm
Largeur
19,0 cm
Hauteur
9,0 cm
Épaisseur
S/O
Poids
S/O
Diamètre
S/O
Volume
S/O

Lexique

Groupe
Aviation
Catégorie
Vêtements
Sous-catégorie
S/O

Fabricant

Ou
University
Pays
Canada
État/province
Ontario
Ville
Toronto

Contexte

Pays
Canada
État/province
Ontario
Période
This model suit used c. 1939- early 1940 [possibly for testing purposes only]
Canada
Dr. W.R. Franks, Professor in Medical Research, University of Toronto was a leader in aviation research work conducted in Canada during the late 1930s-1940s on problems associated with acceleration. Among his accomplishments in the field, Franks developed an anti-G suit (the " F.F.S."] which applied pressure to the calves, thighs and abdomen to prevent pooling of the blood in the veins of these areas, and supported the increased pressure developed in the arterial bed of the same regions. This prevented blackouts and unconsciousness, and delayed the onset of fatigue- critical problems for pilots subjected to centrifugal force during aerial manoeuvrers. [Ref. 6] This [and other versions of the F.F.S.] required testing in a controlled and reproduceable environment. For this purpose, a "human centrifuge", the R.C.A.F. accelerator was designed and constructed. [see 1987.0229 and 1976.0529]. [Ref. 5]
Fonction
To prevent pooling of the blood in the veins of the abdomen and extremities.
Technique
The Mark III F.F.S. was the first anti-G suit to be used in actual air operations anywhere in the world. It demonstrated the value and practicality of anti-G suits, which lead to further development of the technology and later versions of the Franks suit. The first prototype suit was constructed of thin cotton and made to fit Franks himself . It was sewn together in Franks' office at the University of Toronto, and had thin rubber bladders vulcanized throughout, allowing the wearer's full body to be protected by a thin film of water. Franks wore the suit during testing in a Finch Fleet biplane. He realized that not all areas of the body required equal protection from G-forces, and modified his original prototype accordingly. This piece may be one of the elements of the refined prototype suit. [Ref. 6, p.114] The body part for which the piece was designed, and some elements of construction/finish are handwritten in black lead pencil on the exterior, suggesting it may also have served as a pattern, or provided instructions for assembly [by tailor ?].
Notes sur la région
Inconnu

Détails

Marques
"RIGHT" and "B" printed in black lead pencil on white cotton form . "S&W1942" stamped into metal buckle; "LIGHTNING" and "CANADA" stamped into zipper pull and pull mounting. UHN catalogue no. "978.8c" printed by hand in black ink on off-white cotton tag sewn to upper edge of form.
Manque
One component of suit: piece is complete in itself.
Fini
Off-white cotton fabric and thread; off-white elastic lacings; silver metal eyelets; black metal buckle; gold tone metal zipper [shared with .4 right forearm segment] has drab green and tan colour woven fabric [cotton ?] facings; light brown and black rubber tubing extends from internal rubber bladders [tubing shared with .1 left upper arm, and .4 right forearm segment]: tubing connectors are black metal and/or opaque brown synthetic.
Décoration
S/O

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Si vous souhaitez publier de l’information sur cet objet de collection, veuillez indiquer ce qui suit :

University of Toronto, Suit part, anti-G, vers 1939, Numéro de l'artefact 2002.0613, Ingenium - Musées des sciences et de l'innovation du Canada, http://collection.ingeniumcanada.org/fr/id/2002.0613.003/

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