Freitag, 28. März 2014

Breda BA.88 Lince - 1:72

The Breda Ba.88 Lince (Italian: Lynx) was a ground-attack aircraft used by the Italian Regia Aeronautica during World War II. Its streamlined design and retractable undercarriage were advanced for the time, and after its debut in 1937 the aircraft established several world speed records. However, when military equipment was installed on production examples, problems of instability developed and the aeroplane's general performance deteriorated. Eventually its operational career was cut short, and the remaining Ba.88 airframes were used as fixed installations on airfields to mislead enemy reconnaissance. It represented, perhaps, the most remarkable failure of any operational aircraft to see service in World War II.


Two Gruppi (Groups) were equipped with the Breda Ba.88 on June 1940, operating initially from Sardinia against the main airfield of Corsica, with 12 aircraft on 16 June 1940 and three on 19 June 1940. The crews soon found that the Bredas were extremely underpowered and lacked agility, but the lack of fighter opposition resulted in them being able to perform their missions without losses.
Later, 64 aircraft became operational serving 7º Gruppo in the North African Theatre with 19º Gruppo stationed in Sardinia, but their performance remained extremely poor resulting in 7º Gruppo being grounded from the end of June until September, when the Italian offensive against British forces started. Of three aircraft used, one was not even capable of taking off, and another could not turn and was forced to fly straight from their base at Castelvetrano to Sidi Rezegh.
With anti-sand filters fitted, a maximum horizontal speed of 250 km/h (155 mph) was reported in some cases and several units were even unable to take off at all. These machines were fitted with "Spezzoniera" Nardi dispensers (with 119 kg/262 lb bomblets), 1,000 rounds for the three 12.7 mm (0.5 in) machine guns and 500 rounds for the 7.7 mm (0.303 in) Bredas. Although the weapons were not loaded to full capacity and the aircraft was lightened by eliminating the rear machine gun, observer, bombs and some fuel, lessening the weight did not substantially affect the aircraft's performance. Such attempts to reduce weight failed to achieve positive results.
By mid-November, just five months after the start of the war on 10 June 1940, most surviving Ba.88s had been phased out as bombers and stripped of useful equipment, and were scattered around operational airfields as decoys for attacking aircraft. This was a degrading end for the new, (theoretically powerful) Breda Ba.88. This action forced the Regia Aeronautica to use totally outdated aircraft in North Africa, such as the Breda Ba.65 and Fiat C.R.32. As an additional problem, Regia Aereonautica remained without any suitable heavy fighter, a notable weakness for a major air arm.
Similar "heavy fighter-zerstörer" projects were developed in several countries. In France, the Breguet Br.690 even with only 1,044 kW (1,400 hp) was more capable than the Ba.88. Despite some problems of reliability, the Br.690 showed a practical usefulness that the Breda never achieved. It is notable that the Ba.88 was also a contemporary of the Messerschmitt Bf 110, with no great differences in hp, weight, P/W ratio or wingload. But the difference in success was immensely in the Bf 110's favour.
Niclot was the only pilot capable of flying this machine at its best (and only in the racer version which was much lighter), while the average pilot was not capable of using it effectively. Despite its impressive world records and aggressive, slim shape, the Ba.88 was a failure and totally unable to undertake combat missions. Its structure was too heavy, wing loading too high, and the engines were quite unreliable with insufficient power. The Piaggio P.XI was quite powerful, but never reliable, leading also to the overall failure of the Reggiane Re.2000. (Hungary substituted the engines with similar ones for the first license-produced examples).
Three Ba.88s were modified by Agusta plant in late 1942, to serve as ground-attack aircraft. The Ba.88M had the wingspan increased by 2 meters (6 ft 6½ in) to alleviate wing-loading problems, dive brakes, Fiat A.74 RC.38 engines and nose armament increased to four 12,7 mm (0,5 in) Breda-SAFAT machine guns. Evaluated at Guidonia, they were delivered to the 103° Gruppo Autonomo Tuffatori at Lonate Pozzolo on 7 September 1943, the day before Italian Armistice. Later they were evaluated by Luftwaffe pilots and that was the last heard of this mediocre aircraft.

From Wikipedia, the free encyclopedia












Donnerstag, 27. März 2014

Kawasaki Ki-61 Hien - Revell 1/72

Die Kawasaki Ki-61 „Hien“ (deutsch Schwalbe) war ein Jagdflugzeug und eines der wenigen japanischen Flugzeuge mit V-12-Motor im Dienste der Heeres-Luftwaffe.


Die Konstruktion der Maschine wurde stark von der Heinkel He 100 und der He 112 beeinflusst. Interessant ist, dass die Japaner beide Flugzeugtypen von den Deutschen gekauft hatten und anschließend ausgiebig in Japan testeten. Zu den in Deutschland erworbenen Maschinen gehörte, neben anderen, auch der Jagdeinsitzer Messerschmitt Bf 109. Chefkonstrukteur war Takeo Doi, der vom Deutschen Richard Vogt, seinem Vorgänger im Amt des Chefkonstrukteurs bei Kawasaki, ausgebildet worden war.
Der Prototyp der Ki-61 flog im Dezember 1941 zum ersten Mal. Die ersten Maschinen (Ki-61-I) gelangten im Sommer 1942 zu den Einsatzverbänden. Viele weitere Varianten folgten, mit Verbesserungen bei Bewaffnung, Panzerung und den Triebwerken sowie beim Rumpf und der Vollsichtkanzel.
Ebenfalls deutsche Einflüsse gab es in Bezug auf die Bordwaffen der Kawasaki. Es wurden 20-mm-MG-151/20-Mauser-Kanonen importiert, mit denen die „Tony“ (der alliierte Kodename für die „Hien“) eine starke Bewaffnung aufwies. Zwar gab es anfangs nur vier 12,7-mm-Maschinengewehre, schon sehr früh kamen jedoch bis zu vier 20-mm-Kanonen zum Einbau. Einige Versionen, so beispielsweise die Ki-61-I-KAId, wurden sogar mit 30-mm-Maschinenkanonen bewaffnet.
Auch als Jagdbomber fand die Ki-61 Verwendung. Sie konnte eine Bombenlast von 500 kg unter den Tragflächen mitführen (2 × 250-kg-Bomben).
Dieser agile Jäger wies jedoch auch Schwächen auf: Beim Motor, wie bei der He 100, gab es ständig Probleme mit den Kühlsystemen. Gegen Ende des Pazifik-Krieges kam es auch noch zu Qualitätsverlusten in der Produktion, da die japanische Industrie unter den schweren Luftangriffen der Alliierten litt und viele Facharbeiter zum Kriegsdienst abberufen wurden.

Quelle : https://de.wikipedia.org/wiki/Kawasaki_Ki-61

 

Dieses Modell wurde 2020 renoviert.
















. . . vor der Restauration mit verblassten Hoheitsabzeichen :