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  2. Basler BT-67 - Wikipedia

    en.wikipedia.org/wiki/Basler_BT-67

    Basler Turbo Conversions was founded in 1990 solely focused on converting existing C-47/DC-3 airframes into the BT-67. [2] Basler configures each new build to the client's specifications. Industries served include cargo, military, cloudseeding, and scientific research.

  3. Conroy Tri-Turbo-Three - Wikipedia

    en.wikipedia.org/wiki/Conroy_Tri-Turbo-Three

    The Conroy Tri-Turbo-Three was a Douglas DC-3 fitted with three Pratt & Whitney Canada PT6A turboprop engines by Conroy Aircraft; the third engine was mounted on the nose of the aircraft. Design and development

  4. Douglas DC-3 - Wikipedia

    en.wikipedia.org/wiki/Douglas_DC-3

    USAC DC-3 Turbo Express A turboprop conversion by the United States Aircraft Corporation, fitting Pratt & Whitney Canada PT6A-45R turboprop engines with an extended forward fuselage to maintain center of gravity. First flight of the prototype conversion, (N300TX), was on July 29, 1982.

  5. List of Douglas DC-3 family variants - Wikipedia

    en.wikipedia.org/wiki/List_of_Douglas_DC-3...

    DC-3 conversion with a stretched fuselage, strengthened structure, modern avionics, and powered by two Pratt & Whitney Canada PT-6A-67R turboprops. Conroy Turbo Three One DC-3 converted by Conroy Aircraft with two Rolls-Royce Dart Mk. 510 turboprop engines. Conroy Super-Turbo-Three Same as the Turbo Three but converted from a Super DC-3. One ...

  6. Conroy Turbo-Three - Wikipedia

    en.wikipedia.org/wiki/Conroy_Turbo-Three

    The Conroy Turbo-Three was a series of two Douglas DC-3s modified with turboprop engines by Conroy Aircraft. The first conversion first flew on May 13, 1969. Two Rolls-Royce Dart Mk. 510 engines from a crashed Vickers Viscount previously operated by United Airlines were used to replace the original Pratt & Whitney radial engines.

  7. Conroy Aircraft - Wikipedia

    en.wikipedia.org/wiki/Conroy_Aircraft

    Starting in 1969, the company converted several turboprop aircraft to haul specialty cargo: the Stolifter, based on the Cessna Skymaster; the Turbo Three and the Tri-Turbo-Three, based on the Douglas DC-3, and the Turbo Albatross, based on the Grumman Albatross. [1] [failed verification]

  8. Armstrong Siddeley Mamba - Wikipedia

    en.wikipedia.org/wiki/Armstrong_Siddeley_Mamba

    The ASMa.3 gave 1,475 ehp and the ASMa.6 was rated at 1,770 ehp. A 500-hour test was undertaken in 1948 [1] and the Mamba was the first turboprop engine to power the Douglas DC-3, when in 1949, a Dakota testbed was converted to take two Mambas.

  9. Handley Page Dart Herald - Wikipedia

    en.wikipedia.org/wiki/Handley_Page_Dart_Herald

    The Handley Page HPR.7 Dart Herald is a British turboprop passenger aircraft, designed in the 1950s as a DC-3 replacement, but only entering service in the 1960s by which time it faced stiff competition from Fokker (F27 Friendship) and Avro (Avro/Hawker Siddeley HS748). Sales were disappointing, contributing in part to the demise of Handley ...