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  • Sikorsky S-58 H-34

    1954










    Sikorsky S-58 H-34

    Sikorsky began work on the S-58 in 1951 as a general purpose utility machine and as a more capable anti-submarine platform for the US Navy, to follow the S-55. It differed principally in a larger cabin area directly under the main gearbox - still driven by an oblique shaft from the nose mounted engine - the considerably more powerful R-1820-84 piston radial. It had a 4 bladed main rotor, a lower level foldable boom on which was mounted the port-side 4 bladed tail rotor and a tripod undercarriage (with tail wheel). It first flew in prototype on 8 Mar 1954 and the first production airframe flew on 20 Sep 1954.




    S-58 H-34 News


    White House Christmas Ornament Helicopter, 17-Dec-19 : #Christmas Eisenhower was the first U.S. President to fly in helicopter and the White House Historical Association remembering him throughout 2019 with the release of a Christmas Ornament of the Sikorsky HUS-1Z / VH-34D

    White House Helicopter Christmas Ornament, 22-Feb-19 : #WhiteHouse The White House Historical Association remembering President Eisenhower throughout 2019. As the first president to fly in helicopter, they released a Christmas Ornament of the Sikorsky HUS-1Z / VH-34D flew jointly by the Army and Marines

    Dallas Justice Center Equipment by Helicopter, 30-Nov-16 : A 5 State Helicopters Inc’ S-58ET helicopter helped in the installation of data equipment at the Lew Sterrett Justice Center in Dallas, Texas



    Specifications


    Engine: 1 x Wright R-1820 1000 shp
    Capacity: 2 + 18
    Length: (m) 17.27
    Height: (m) 4.36
    Blades: 4
    Rotor diam.: (m) 17.07
    Disc area: (m2) 228.54
    Weight: (kgs) Empty: 3500     Max: 5900
    Speed: (km/h) Cruise: 156     Max: 198
    Range: (km) 400
    Ceiling: (m) 2900
    Rate/Climb: (m/min)
    blueprints


    Derivatives & Versions


    ModelYearHistory
    XHSS-1 1953 Sikorsky S-58 prototype anti-submarine helicopter desigmated XHSS-1 by USN. Four built.
    HSS-1 / SH-34G Seabat 1954 Sikorsky production S-58 for anti-submarine warfare, desgnated HSS-1 / SH-34G by USN.
    HUS-1 / UH-34D Seahorse 1954 HUS-1/UH-34D Seahorse was the utility version of the HSS-1/SH-34G Seabat with early bent leg / torsion bar undercarriage. Production began in 19 ...
    CH-126 Choctaw 1955 Sikorsky S-58B (H-34A) in Canadian service
    H-34A Choctaw 1955 US Army variant. Conversions to H-34C. Redesignated CH-34A in 1962. Many transferred to South Vietnam Air Force and Thailand.
    S-58B 1955 Commercial/Export designation for H-34B (Basic H-34A with detail changes)
    HUS-1L / LH-34D 1956 Factory winterized version of HUS-1 used by VXE-6 for Operation DEEP FREEZE support in Antartica. Seven produced.
    SA S-58 1956
    S-58C 1956
    H-34G.I 1957
    HSS-1F / SH-34H 1957 Sikorsky HSS-1 fitted with two GE YT-58 turbine engines as test bed for HSS-2 prototype. Redesignated SH-34H in Oct62.
    HUS-1A / UH-34E 1957 Basic HUS-1 but equipped with amphibious pontoons. They can also carry an external fuel tank. Re-designated UH-34E in 1962
    HUS-1Z / VH-34D Seahorse 1957 Presidential helicopter
    VH-34A/C Choctaw 1957 VIP variant used by White House
    HSS-1N / SH-34J Seabat 1958 Night/Bad weather version of the HSS-1 with improved avionics and autopilot, re-designated SH-34J in 1962
    Many airframes later converted to UH-34J by removal of ASW gear.
    Westland Wessex 1958 the sikorsky s-58 (ff 8 mar 1954) entered usn service late 1955 as the hss-1. this looked a good bet for the uk admiralty, which had been searchi ...
    H-34G.II 1959
    HH-34F Seahorse 1959 Original designated HUS-1G, search & rescue version of HUS-1 / UH-34D Seahorse for US Coast Guard. Six built
    CH-34C Choctaw 1962 Improved H-34A for US Army and export under MDAP.
    UH-34G Seabat 1962 Conversion of HSS-1 / SH-34G by US Navy into utility version by removing ASW equipment.
    H-34G III 1963
    S-58D 1964
    S-58T 1970 First flight on August 1970, the S-58T is an old airframe converted to turboshaft power using different versions of the Pratt & Whitney Canada ...
    HH-34J Choctaw 1971 Former US Navy aircraft transferred to AFRES rescue squadrons



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