Tachikawa Ki-17

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The Tachikawa Ki-17 (九五式三型練習機, Kyugoshiki san-gata renshuki) was a basic training aircraft of the Imperial Japanese Army Air Force built by Tachikawa Aircraft Company Ltd in the 1930s. It was known to the Allies under the nickname of Cedar during World War II.

Design and development

The Ki-9 was originally planned to be manufactured in two versions using the same basic airframe, but with different engines for service as either a primary or intermediate trainer. However, when the lower-powered form proved to be unsuitable due a center of gravity issue, design of a new airframe was ordered for the basic trainer version, and was given the new designation of Ki-17.^[1]

Compared to the Ki-9, the Ki-17 had equal-span wings, a slimmer fuselage and a revised tailplane. It was powered by a 112 kW (150 hp) Hitachi Ha-13a radial engine. The first prototype flew in July 1935.^[1]

The only major change made to subsequent production aircraft was the deletion of the upper-wing ailerons to eliminate oversensitive control inputs.^[2]

Operational history

The Ki-17 was introduced to service as the Army Type 95-3 Basic Grade Trainer Model A under the former aircraft naming nomenclature system. Tachikawa manufactured 560^[3] Ki-17s between 1936 and 1943 and the type saw service with the Army Air Academy and flight training schools.^[2]

Operators

Japan

Kumagaya Army Flying Training School
Mito Army Flying Training School
Tachiari Army Flying Training School
Utsonomiya Army Flying Training School
Imperial Japanese Army Air Force Academy (Rikugun Kōku Shikan Gakkō)

Thailand

Royal Thai Air Force

Specifications (Ki-17)

Data from Japanese Aircraft of the Pacific War^[4]

General characteristics

Crew: 2
Length: 7.85 m (25 ft 9 in)
Wingspan: 9.82 m (32 ft 3 in)
Height: 2.95 m (9 ft 8 in)
Wing area: 26.2 m² (281.91 ft²)
Empty weight: 639 kg (1,408 lb)
Loaded weight: 914 kg (2,014 lb)
Powerplant: 1 × Hitachi Ha-12 seven-cylinder air-cooled radial engine, 112 kW (160 hp)

Performance

Maximum speed: 170 km/h (106 mph)
Cruise speed: 150 km/h (81 mph)
Service ceiling: 5,300 m (17,390 ft)
Rate of climb: 3.3 m/s (656 ft/min)
Wing loading: 34.6 kg/m² (7.1 lb/ft²)
Power/mass: 0.12 kW/kg (0.07 hp/lb)
Endurance: 3.5 hours

References

Wikimedia Commons has media related to Tachikawa Ki-17.

Notes

↑ 1.0 1.1 Francillon 1979, p. 248.
↑ 2.0 2.1 Francillon 1979, p. 249.
↑ Francillon 1979, pp. 249, 250.
↑ Francillon 1979, p. 250.

Bibliography

Francillon, René J. Japanese Aircraft of the Pacific War. London: Putnam & Company Ltd., 1979. ISBN 0-370-30251-6. (new edition Putnam Aeronautical Books, 1987. ISBN 0-85177-801-1.)

v t e Aircraft produced by Tachikawa

Imperial Japanese Army types	Ki-9 Ki-17 Ki-24 Ki-25 Ki-26 Ki-29 Ki-36 Ki-54 Ki-55 Ki-70 Ki-71 Ki-72 Ki-74 Ki-77 Ki-92 Ki-94 Ki-104 Ki-106 Ki-110 Ki-111 Ki-114 SS-1 T.S. 1

World War II Allied reporting names	Cedar Clara Hickory Ida (Ki-36) Ida (Ki-55) Pat Patsy Sonia Spruce

v t e Imperial Japanese Army Air Force aircraft designations

1-50	Ki-1 Ki-2 Ki-3 Ki-4 Ki-5 Ki-6 Ki-7 Ki-8 Ki-9 Ki-10 Ki-11 Ki-12 Ki-13 Ki-14 Ki-15 Ki-16 Ki-17 Ki-18 Ki-19 Ki-20 Ki-21 Ki-22 Ki-23 Ki-24 Ki-25 Ki-26 Ki-27 Ki-28 Ki-29 Ki-30 Ki-31 Ki-32 Ki-33 Ki-34 Ki-35 Ki-36 Ki-37 Ki-38 Ki-39 Ki-40 Ki-41 Ki-42 Ki-43 Ki-44 Ki-45 Ki-46 Ki-47 Ki-48 Ki-49 Ki-50

51-100	Ki-51 Ki-52 Ki-53 Ki-54 Ki-55 Ki-56 Ki-57 Ki-58 Ki-59 Ki-60 Ki-61 Ki-62 Ki-63 Ki-64 Ki-66 Ki-67 Ki-68 Ki-69 Ki-70 Ki-71 Ki-72 Ki-73 Ki-74 Ki-75 Ki-76 Ki-77 Ki-78 Ki-79 Ki-80 Ki-81 Ki-82 Ki-83 Ki-84 Ki-85 Ki-86 Ki-87 Ki-88 Ki-89 Ki-90 Ki-91 Ki-92 Ki-93 Ki-94 Ki-95 Ki-96 Ki-97 Ki-98 Ki-99 Ki-100

100-	Ki-101 Ki-102 Ki-103 Ki-105 Ki-106 Ki-107 Ki-108 Ki-109 Ki-110 Ki-111 Ki-112 Ki-113 Ki-114 Ki-115 Ki-116 Ki-117 Ki-118 Ki-119 Ki-148 Ki-167 Ki-174 Ki-200 Ki-201 Ki-202 Ki-230

v t e World War II Allied reporting names for Japanese aircraft

Aircraft in Japanese service	Abdul Alf Ann Babs Baka Belle Betty Bob Buzzard Cedar Cherry Clara Claude Cypress Dave Dick Dinah Dot Edna Emily Eva Eve Frances Frank Gander George Glen Goose Grace Gwen Hamp Hank Hap Helen Hickory Ida (Tachikawa Ki-36) Ida (Tachikawa Ki-55) Irving Jack Jake Jane Jean Jerry Jill Jim Judy Kate Kate 61 Laura Lily Liz Lorna Loise Louise Luke Mabel Mary Mavis Myrt Nate Nell Nick Norm Oak Oscar Pat Patsy Paul Peggy Perry Pete Pine Rex Rita Rob Rufe Ruth Sally Sally III Sam Sandy Slim Sonia Spruce Stella Steve Susie Tabby Tess Thalia Thelma Theresa Thora Tina Tillie Toby Tojo Tony Topsy Val Willow Zeke Zeke 32

Nonexistent aircraft thought to be in Japanese service	Adam Ben Doris Gus Harry Ione Joe Joyce Julia June Norma Omar Ray

Foreign aircraft erroneously thought to be in Japanese service	Bess (Heinkel He 111) Doc (Messerschmitt Bf 110) Fred (Focke Wulf Fw 190A-5) Irene (Junkers Ju 87A) Janice (Junkers Ju 88A-5) Mike (Messerschmitt Bf 109E) Millie (Vultee V-11GB) Trixie (Junkers Ju 52/3m) Trudy (Focke Wulf Fw 200 Kondor)

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