Kajaba Ka-1

Kayaba Ka-1
カヤバ ク1 カ号観測機
     
Název:
Name:
Kajaba Ka-1 Kayaba Ka-1
Originální název:
Original Name:
カヤバ ク1 カ号観測機
Kategorie:
Category:
vírník autogyro
Výrobce:
Producer:
DD.MM.1941-DD.MM.1944 Kayaba Manufacturing co. Ltd., Sendai /
Období výroby:
Production Period:
DD.MM.1941-DD.MM.1944
Vyrobeno kusů:
Number of Produced:
240
První vzlet:
Maiden Flight:
26.05.1941
Osádka:
Crew:
1-2
Základní charakteristika:
Basic Characteristics:
 
Uspořádání rotorů:
Rotor Configuration:
jiné uspořádání other configuration
Podvozek:
Undercarriage:
pevný fixed
Přistávací zařízení:
Landing Gear:
kola wheels
Technické údaje:
Technical Data:
 
Hmotnost prázdného vrtulníku:
Empty Weight:
775 kg 1709 lb
Vzletová hmotnost:
Take-off Weight:
1086 kg 2394 lb
Maximální vzletová hmotnost:
Maximum Take-off Weight:
1210 kg 2668 lb
Délka s otáčejícími se rotory:
Length with Rotors Turning:
12,20 m 40 ft ¼ in
Délka trupu:
Fuselage Length:
9,20 m 30 ft 2 ¼ in
Šířka trupu:
Fuselage Width:
? m ?
Celková výška:
Overall Height:
3,71 m 12 ft 2in
Průměr hlavního rotoru:
Main Rotor Diameter:
12,20 m 40 ft ¼ in
Průměr vyrovnávacího rotoru:
Tail Rotor Diameter:
- m -
Plocha disku hlavního rotoru:
Main Rotor Disc Area:
116,90 m2 1258.3 ft2
Plocha disku vyrovnávacího rotoru:
Tail Rotor Disc Area:
- m2 - ft2
Pohon:
Propulsion:
 
Kategorie:
Category:
pístový piston
Počet motorů:
Number of engines:
1
Typ:
Type:
Kobe-Argus As 10c vzduchem chlazený invertní vidlicový osmiválec o vzletovém výkonu 179 kW.
Vrtule dvoulistá.
Kobe-Argus As 10c eight-cylinder air-cooled inverted Vee engine rated 241 hp for take-off at 2,600 rpm,
driving a two-blade propeller.
Objem palivových nádrží:
Fuel Tank Capacity:
? ?
Výkony:
Performance:
 
Maximální rychlost:
Maximum Speed:
165 km/h v ? m 103 mph in ? ft
Cestovní rychlost:
Cruise Speed:
115 km/h v ? m 71 mph in ? ft
Rychlost stoupání:
Climb Rate:
4,4 m/s 866 ft/min
Statický dostup:
Static Ceiling:
? m ? ft
Dynamický dostup:
Dynamic Ceiling:
3500 m 11483 ft
Dolet:
Range:
280 km 174 mi
Maximální dolet:
Maximum Range:
360 km 224 mi
Přepravní kapacita:
Transport Capacity:
- -
Výzbroj a vybavení:
Armament and Equipment:
 
Výzbroj:
Armament:
1-2x 60 kg hlubinná puma One or two 132 lb depth charges
Vybavení:
Equipment:
- -
Uživatelské státy:
User States:
Poznámka:
Note:
カ号観測機 - Kagó kansokuki - pozorovací virník カ号観測機 - Kagó kansokuki - reconnaissance autogyro
The Ka-1 autogyro for reconnaissance, artillery-spotting, and anti-submarine uses
Zdroje:
Sources:
René J. Francillon Ph.D., Japanese Aircraft of the Pacific War, p. 196, Naval Institute Press, Annapolis Maryland, Reprinted 1990, ISBN-0-87021-313-X
Ryszard Witkowski Wiropłaty w okresie II wojny światowej, "Lotnictwo", nr specjalny 3 (2007), s. 60–65, ISSN 1732-5323.
L+K č. 20/1970, Letadla 1939-45, Kayaba Ka-1 a 2.
archiv autora
URL : https://www.valka.cz/Kajaba-Ka-1-t28333#99309 Version : 0

Kayaba Ka-1


ago 号 観 測 機/Kago kansokuki

History:


Ai 日本 帝国 陸軍 航空 本部 - Dai-Nippon Teikoku Rikugun Kōkū Hombu (command of the Imperial Army Air Force) in the 1930s, among other things, was also interested in aircraft that would cooperate with ground forces. One such activity that can be included in this category is managing your own artillery fire and retrieving messages from troops directly from the ground. An aircraft with a slow flight and a very short take-off and landing is suitable for such an activity, these requirements are almost completely met by a virgin.

Juan de la Cierva, a Spaniard, developed and built the virgins in the 1930s, and his machines were built in the United States by the Kellett brothers, who ran Kellett Autogiro Co. In 1934, the company produced a fairly simple K-3. wings and tail surfaces, on the wings and on the tail surfaces were necessary rudders, which could control the virgin, the main rotor was not controllable.

In 1934, the command of the Imperial Army Air Force indirectly purchased two Kellett K-3 virals, which were named Aikkoku 81 and Aikkoku 82 in Japan. In the meantime, a new and, above all, more sophisticated Kellett KD-1 (Cierva C-30) aircraft was flown at Kellet Autogiro Co., the new aircraft already had a controllable carrier rotor (hence the letter D in the name - Direct Control). The auxiliary wings were no longer necessary, the tail surfaces were preserved, but most of the maneuvers could be performed thanks to the controllable rotor. At the end of 1938, one of these virgins (specifically, it was a slightly improved version called KD-1A) was purchased for the Japanese Air Force, but was tested only briefly, because at the beginning of the following year it was destroyed in a fall.

However, Rikugun Kōkū Hombu continued to have considerable interest in these aircraft, and so the broken virgin was handed over to a small company Kay 場 製作 所 - Kayaba Seisakushō Kabushiki Kaisha (hereinafter Kayaba). The choice was not accidental, the company Kayaba had previously dealt with the development of aircraft with a moving wing - rotor, the company cooperated with a German factory Focke-Wulf Flugzeugbau GmbH, which has already significantly modified one of the Cierva C-30 and used a German eight-cylinder for its propulsion Argus As-10c, which proved to be important for the construction of Japanese autogyro. So the Japanese designers immediately began working on their own design of the autogyro. The truth is that they greatly simplified their work and according to the motto: "Purpose sanctifies the means", from the destroyed Kellett they literally copied the fuselage, the supporting rotor and its control, as well as some other components. Thanks to this fact, as well as German assistance, the Japanese virgin, designated Ka-go, was completed in May 1941, was flown on May 26, and shortly thereafter the virgin was presented to representatives of the Army Air Force. Cooperation with Focke-Wulf was reflected here, the propulsion unit was an in-line, air-cooled inverted eight-cylinder Argus Ac-10c, which powered a two-bladed propeller with a fixed pitch angle, the engine also powered a three-bladed rotor during takeoff, which was then powered during normal flight. autorotation only. Deliveries of this engine for the production of virgins were provided by a motor factory in Kobe. The fuselage was welded from steel tubes that carried duralumin side members, the entire fuselage was covered with canvas, only the bow and the area around the tandem cabins was covered with sheet metal. An observer/radio operator sat in the front seat and a pilot in the back seat, the booths were open with windshields. In front of the cabins was a hooded pylon for a three-bladed rotor. The rotor blades could be folded along the fuselage. After their assembly, the aircraft took up little parking space. The chassis was solid and with high shock absorbers.It must be said that the Japanese virgin succeeded, minor childhood illnesses were quickly eliminated, Ka-go was able to take off vertically in tests with a gentle headwind and took off in a wind less than 20 meters in still air. After the successful completion of the army tests, the Imperial Army ordered its serial production under the designation Kayaba Ka-1.

It was assigned to artillery units in China and Manchuria, where it was used to control artillery fire and also as a connecting. The Allies did not know about their operational deployment, although it was apparently widely used and the virus did not receive a code name. The ground staff praised the simple construction and the low maintenance involved. The pilots praised the flight characteristics - runway 20 m, vis, or 360 ° turn on the spot. In connection with this type, I must not forget to mention one more operational activity that these experts were performing - anti-submarine patrols. It is a relatively little known fact that the Japanese army had a few small aircraft carriers, ur き つ 丸 Akitsu Maru was one of them, and when the activity of American submarines increased in 1943, and the losses of Japanese ships also increased reciprocally, the Japanese army also joined the anti-submarine warfare. The escort aircraft carrier Akitsu Maru received several Kayaba Ka-1 forwards. Her virgins carried out anti-submarine patrol activities, but at the same time they also took off for attack flights, but in this case with only one crew member, each virgin then hijacked two depth charges weighing 60 kg each. Anti-submarine flights took place mainly over the Korean and Tungar Straits. I do not know how successful was the anti-submarine deployment of military guards, but later carried on board Kayaba Ka-1 and other aircraft carriers ur ぎ つ 丸 Nigicu Maru, I have not found a single case of a documented attack on an Allied submarine.

I will mention the construction of the prototype Kayaba Ka-2, which was created in 1942 and unlike mass-produced Ka-1 power plants powered by an inverted eight-cylinder Argus, Ka-2 was powered by the original star engine Jacobs L-4M4 with 225 horsepower, an engine that was used to power the Kellett KD-1A. The aircraft remained in only one built copy.
Kayaba designers were involved in further development when they replaced the supporting rotor of one Ka-1 with a new rotor, which had small solid-fuel rocket motors at the ends, the machine was designated as Ka-1 KAI.


Sources used are listed in the last post
URL : https://www.valka.cz/Kajaba-Ka-1-t28333#99323 Version : 0

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Fotografie virníků Kayaba Ka-1 jsou poměrně vzácné, nohoře je Kayaba Ka-2 s hvězdicovým motorem.
Kajaba Ka-1 -


Kajaba Ka-1 -


URL : https://www.valka.cz/Kajaba-Ka-1-t28333#108023 Version : 0

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Kamufláž
Kajaba Ka-1 -


URL : https://www.valka.cz/Kajaba-Ka-1-t28333#99313 Version : 0

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Trojpohledový náčrtek virníku Kayaba Ka-1
Kajaba Ka-1 -


URL : https://www.valka.cz/Kajaba-Ka-1-t28333#150154 Version : 0

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Továrna Kayaba se snažila o další vývoj, který však nebyl příliš úspěšný.


Nejdříve to byla verze Kayaba Ka-1 KAI, která měla na koncích rotorových listů malé raketové motory a tak mělo být dosaženo vyššího výkonu, bohužel, po vyhoření zase jen zvyšovaly odpor vzduchu.


Druhou verzí byla Kayaba Ka-2, která byla poháněna hvězdicovým sedmiválcovým motorem Jacobs L-2MA-7 o výkonu 240 koní. Byl vyroben asi jen jeden prototyp, o kterém se mi nepodařilo sehnat žádné další zprávy. (Tato verze je na fotografii)


Zdroje:
- http://www.dws.xip.pl/bron/japonia/j65.html
- archiv autora

Kajaba Ka-1 -


URL : https://www.valka.cz/Kajaba-Ka-1-t28333#183419 Version : 0

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Použité prameny:
René J. Francillon Ph.D., Japanese Aircraft of the Pacific War, p. 196, Naval Institute Press, Annapolis Maryland, Reprinted 1990, ISBN-0-87021-313-X
Lubomír Vejřík, Vzestup a pád orlů Nipponu - Prolog, Vydání-Svět křídel Cheb, ISBN 80-85280-26-4
Ryszard Witkowski Wiropłaty w okresie II wojny światowej, "Lotnictwo", nr specjalny 3 (2007), s. 60–65, ISSN 1732-5323.
L+K č. 20/1970, Letadla 1939-45, Kayaba Ka-1 a 2.
http://www.ioh.pl/samoloty/index.php?art=63
http://pwencycl.kgbudge.com/K/a/Ka-1.htm
www.wehrmacht-history.com
www.warbirdsresourcegroup.org
www.ipmsstockholm.org
www.aviastar.org
archiv autora
URL : https://www.valka.cz/Kajaba-Ka-1-t28333#235680 Version : 0
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