The Hitachi TR.1 was a small airliner developed in Japan in 1938, produced in small numbers as the TR.2. It was a low-wing, cantilever monoplane with retractable tailwheel undercarriage and a fully enclosed cabin. The design strongly resembled the Airspeed Envoy that it was intended to replace in Japanese airline service. Testing of the TR.1 prototype commenced on 8 April 1938 at Haneda Airport, but it suffered a serious accident on 22 June due to a landing in which one of the main undercarriage units failed to extend.

The TR.2 was a revised and strengthened design with a larger wing area, and main undercarriage that only semi-retracted. Twelve examples were built in a small series, but performance was not as good as the TR.1, since the modifications to the design had added 260 kg (570 lb) to the aircraft.

Specifications (TR.1)[link]

General characteristics

• Crew: Two pilots
• Capacity: 4 passengers
• Wingspan: 14.60 m (47 ft 11 in)
• Powerplant: 2 × Hitachi Kamikaze, 180 kW (240 hp) each

References[link]

• The Illustrated Encyclopedia of Aircraft. London: Aerospace Publishing. pp. 2174. 
• Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. pp. 511. 

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TR-1 Temp SS-12 Scaleboard
9P120 launcher with 9M76 rocket of missile complex Temp-S
Type	Theatre ballistic missile
Place of origin	Soviet Union
Service history
In service	1969
Used by	Soviet Armed Forces
Production history
Designer	Nadiradze OKB
Manufacturer	Votkinsk Machine Building Plant
Specifications
Weight	9,700 kg (21,000 lb)
Length	12.4 m (41 ft)
Diameter	1.01 m (3 ft 4 in)
Warhead	Single 500 kT warhead
Engine	Single-stage liquid propellant
Operational range	900 km (560 mi)
Guidance system	Inertial
Accuracy	370 m (1,210 ft) CEP
Launch platform	Road-mobile TEL

The TR-1 Temp is a mobile theatre ballistic missile developed and deployed by the Soviet Union during the Cold War. It was assigned the NATO reporting name SS-12 Scaleboard and carried the industrial designation 9M76. A modified version was initially identified by NATO as a new design and given the SS-22 reporting name, but later recognized it as merely a variant of the original and maintained the name Scaleboard. The Temp entered service in the mid 1960s.

The TR-1 was designed as a mobile weapon to give theatre (front) commanders nuclear strike capability. The weapon used the same mobile launcher (MAZ-543) as the R-11 Scud missile but had an environmental protective cover that split down the middle and was only opened when the missile was ready to fire.All stricken in 1988-1989

Operators[link]

 Soviet Union

The Soviet Armed Forces were the only operator of the TR-1 Temp.

See also[link]

• List of missiles

External links[link]

• Global Security: TR-1

References[link]

• Hogg, Ian (2000). Twentieth-Century Artillery. Friedman/Fairfax Publishers. ISBN 1-58663-299-X

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