Sikorsky CH-37C/HR2S-1
USMC utility transport helicopter developed in 1953. The original designation was HR2S-1 but this was changed to CH-37C in the redesignation of all US armed forces helicopters in 1962.
The assault transport helicopter could carry up to either 36 passengers, three jeeps or a single 105 mm antitank gun. Sikorsky was experimenting with blades widths; the wider chord upgrade was used for this entry.
Overview
Data on design, manufacture and statusDesign authority: Sikorsky Aircraft Division, United Aircraft and Transport Corporation
Primary manufacturer: Sikorsky Aircraft Division, United Aircraft and Transport Corporation
Parent type: Sikorsky S-56/H-37
Aircraft status: No longer flying
Configuration
Primary flight and mechanical characteristicsVTOL type: Helicopter
Lift devices: 1 Single main rotor
Dedicated control device: 1 Tail rotor
Crew required: 2 in Side-by-side arrangement
Landing gear: Wheels (all retractable)
Key Characteristics
Data on key physical featuresAircraft Details
Data on aircraft configuration, weights, flight performance and equipmentReferences
References and sources usedCassell & Company Ltd., 1959 (page 383)
Book
Sikorsky Archives | Product History, Sep 19, 2017 (page 17)
Website
Very thorugh description and details of the R-4 series helicopter
APRIL 13, 2013
Website
