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Sikorsky R-4

Sikorsky R-4
Image illustrative de l’article Sikorsky R-4
Le commandant Erickson et Igor Sikorsky à bord d'un R-4

Rôle Hélicoptère léger
Constructeur Sikorsky
Premier vol
Nombre construit 131
Équipage
1 pilote
Motorisation
Moteur Warner R-550
Nombre 1
Type Moteur à piston
Puissance unitaire 200 ch
Nombre de pales 3
Dimensions
Diamètre du rotor 11,5 m
Longueur 10,2 m
Hauteur 3,8 m
Masses
Maximale 1 170 kg
Performances
Vitesse de croisière 105 km/h
Vitesse maximale 120 km/h
Plafond 2 400 m

Le Sikorsky R-4 est un hélicoptère construit par la société américaine Sikorsky Aircraft Corporation.

Il fut le premier hélicoptère à être utilisé par l'USAF.

L'hélicoptère était appelé Sikorsky HNS-1 par la United States Navy et la United States Coast Guard.

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Sikorsky R-4
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