Various Hitachi/Fukuda/Gasuden Projects and Prototypes

hesham

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Hi,

the Gasuden Model-3 was a project for advanced trainer
aircraft as a high-wing monoplane,has anyone a drawing
to it ?.
 
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Hi! The Gasuden(瓦斯電)model-2 drawing.
The Gasuden model-1 was a biplane. The Gasuden model-3 was a monoplane, not realized.
Through model-1 to model-3, engine, fuselage, undercarriage and tail stabilizers were common.
And the pictures of ITo 28-31 flying boat.
Source:My No.2 bible.
 

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From Putnam book,

the Fukuda Research-2 motor glider airplane.
 

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Those Japanese designers were definitely influenced by recent developments in Germany and USA.
For example: Gasuden Model 1 biplane's forward-swept landing gear was influenced by Bucker Jungmann, but it has a lower-drag NACA engine cowling.
 
From Putnam book,

the Fukuda Research-2 motor glider airplane.
Hi hesham-san!
福田光式研究機二型滑空機 : Fukuda Hikari-shiki research aircraft type 2 glider.
 

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Great stuff blackkite-san,
do you have any technical data?
 
Great stuff blackkite-san,
do you have any technical data?

In reply # 3.

From Putnam book,

here is a Gasuden TR-2 transport airplane.
 

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Hi!
The Fukuda Hikari Research-2 Motor-glider
Span : 13.00m, Length : 6.95m, Wing Area : 12.3m2, Empty Weight : 210kg,
Gross Weight : 300kg, Engine : Scott Flying Squirrel inverse air cooling 2 cycle 2 cylinder engine (Maximum power : 28hp, Nominal power : 16hp), Propeller : Fixed pitch 2 blades 1.54m diameter
Design Performance as a motor glider
Maximum Speed : 117km/h (Altitude 1,000m), Cruising Speed : 75km/h (Altitude 1000m), Landing Speed : 60km/h, Time to Altitude : 1,000m/14’12”, Ceiling : 3,100m,
Range : 500km, Take off run : 116m, Landing run : 150m,
Design Performance as a glider
Minimum sink rate : 1.03m/s, Maximum speed : 67.6km/h, Glide ratio : 18.3,
Actual Performance as a motor-glider
Maximum Speed : 125km/h, Cruising Speed : 80~90km/h, Time to Altitude : 1,000m/10’30”, Engine did not work well above altitude 1,250m
Source : as usual
 

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Hi! Fukuda type Hikari 8.1 light aircraft.
 

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Hi! Gasuden KR-1.
In 1932, Gasden began developing a small passenger aircraft equipped with its own engine, Kamikaze. This airplane was designed based on De Havilland DH.83 Fox Moss, which was imported from the United Kingdom, centered on Lt. Col. Seiichi Yamashita.

The first prototype made its first flight on February 23, 1933. Three aircraft were used by the Japan Air Transport Research Institute (J-BBJI, J-BBMI, J-BBNI) as regular flights and air taxis, two aircraft were used by the Taiwan National Defense Association, and two aircraft were used by the Manchuria National Seaside Police Corps.

This aircraft was a biplane with wooden fabric body that inherited that of DH.83, and had a small cabin inside the fuselage. The landing gear could be replaced with a fixed gear and twin floats, and could be used as a seaplane, but the seaworthiness was poor.

KR-1 Specification
• Total length : 7.60 m (Seaplane type : 7.88 m), Overall width : 9.20 m, Height : 2.70 m (Seaplane type : 3.40 m)
• Wing area : 22.0 m2, Empty weight : 576 kg (Seaplane type : 680 kg), Gross weight : 964 kg (Seaplane type : 988 kg)
• Engine : Gasden Kamikaze Type 3 Air-Cooled Radial 7 cylinder (up to 160 hp) x 1
• Maximum speed : 197 km/h (Seaplane type: 189 km/h), Cruise speed : 160 km/h (Seaplane type : 150 km/h)
• Ceiling : 4,200 m (Seaplane type : 3,800 m), Range : 650 km (Seaplane type : 600 km)
• Crew : 1 person, Passengers : 3 people (Seaplane type : 2 people)

http://www.airwar.ru/enc/cw1/kr1.html
 

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Hi! Gasuden KR-2.
The KR-2 Small Passenger Aircraft was developed as a performance-enhancing version of the KR-1 and made its first flight on November 17, 1934. Three aircraft were used by Tokyo Air Transport Company and one aircraft was used for scenic flights and air taxis by Korean Air Company.

Two are used by the Yomiuri News Paper and one is used by the Yingkou Seaside Police Corps. The 6 aircraft produced in the latter half were modified by some design changes and became a Navy-affiliated aircraft as a special transport contact aircraft, which was used for the reciprocation of aircraft carriers and land bases. The abbreviation code of the aircraft belonging to the Navy is "LXG". Production ended in 1939.

Although the engine and total weight were the same as the KR-1, air resistance decreased due to a complete change of the wing. This increased speed, cruising range, and loading capacity, but resulted in lower climbing performance and increase of take off run. It can be used as a seaplane as well as the KR-1. In addition, the LXG had minor improvements such as the control surface, and it was possible to operate it on an aircraft carrier.

KR-2 Specification
• Total length : 7.71 m (Seaplane type : 7.90 m), Overall width : 9.20 m, Height : 2.70 m (Seaplane type : 3.40 m)
• Wing area : 17.68 m2, Empty weight : 570 kg (Seaplane type : 680 kg), Gross weight : 980 kg (Seaplane type : 1,070 kg)
• Engine : Gasden Kamikaze Type 3 Air-Cooled Radial 7 cylinder (up to 160 hp) x 1
• Maximum speed: 215 km/h (Seaplane type : 200 km/h), Cruise speed : 180 km/h (Seaplane type : 165 km/h)
• Ceiling : 4,500 m (Seaplane type : 4,000 m), Range : 750 km (Seaplane type : 700 km)
• Crew: 1 person. Passengers: 3 people (Seaplane type : 2 people)
 

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Hi! KR-1, KR-2 and D.H.83.
 

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This aircraft(KR-2 or LXG) seemed to have closed type cockpit.
 

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Hi! TR-1.

Source : ENCYCLOPEDIA OF JAPANESE AIRCRAFT VOL.8 KYUSHU CONTENTS,etc.
 

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Hi! TR-2.

Source : ENCYCLOPEDIA OF JAPANESE AIRCRAFT

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Hi! TR-1 and TR-2 specification.
 

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The TR-1 medium-sized passenger plane is a plane for local lines (2crew + 4 passengers), which was developed and prototyped in-house by Gasuden in 1937 according to the instructions from the Civil Aviation Bureau. The plane was planned as a successor to the Envoy medium-sized passenger plane used by Japan Air Transport.

This passenger plane had an all-metal monocoque structure, and equipped with two gasuden "Kamikaze" 5A air-cooled radial9-cylinder 240 horsepower engines. In order to reduce the air resistance, the width of the fuselage was narrow, the cockpit had tandem double seat, and it had double control device. A navigation device and a wireless communication device were installed in the rear pilot seat to ensure perfect night flight. The passenger plane was planned to be applicable to observation work planes, patient transport planes, and on-board work practice planes.

The first prototype, J-DAAH, made its first flight at Haneda Airport on April 8, 1938, and during the test flight, it was decided to be delivered to the Taiwan National Defense Association, and it was named "Taiwan Giyu School Niitaka go.

However, during the test flight on June 22, the left wheel did not deployed, and the left propeller, engine, and nacelle were damaged by landing with one wheel.

After the damaged part was repaired, it was destroyed by a ship collision while being transported to Taiwan by sea.
 
The TR-2 Medium Passenger Airliner was a medium-sized passenger plane completed in October 1940 as an alternative to the TR-1 that was destroyed in an accident during transportation to Taiwan, and was named J-DAAJ "Taiwanese Military volunteer School N0.2". Compared to the TR-1 of the first prototype, the following 3 items were changed.

(1) The main wing was slightly extended to increase the wing area, and
(2) the engine nacelle was thickened to change from a shallow cowling with warts to a NACA cowling without warts.
(3) Wheels were semi-retractable. Therefore, it is possible to safely ground even when retracted, and to minimize damage to the aircraft.
At the end of November 1940, the completed Gasuden TR-2 was installed with an increased fuel tank, and Nobuo Matsumura flew from Haneda to Taiwan and delivered it to the Taiwan National Defense Association. As a result, the weight increased by 260 kg due to the refurbishment, so performance such as speed and cruising performance fell below that of the TR-1.
A simple flap was used and the body had stressed skin structure made of all metal, and the main landing gear was a manual retractable type to the front direction.
 
Hi! The Gasuden Model 1 Trainer.
Source : ENCYCLOPEDIA OF JAPANESE AIRCRAFT VOL.8
 

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Hi Front and side view. 
 

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Hi! Plan view.
Source : THE JAPANESE AIR CRAFT VISUAL COLLECTION 1910-1945
 

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Hi! Fukuda type Hikari 8.1 light aircraft three side view drawing.
Source : ENCYCLOPEDIA OF JAPANESE AIRCRAFT
 

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