Piaggio P.119

Piaggio P.119 Piaggio P.119
Originální název:
Original Name:
Piaggio P.119
stíhací letoun fighter aeroplane
DD.MM.1942-DD.MM.1942 SA Piaggio & C., Genova /
Období výroby:
Production Period:
Vyrobeno kusů:
Number of Produced:
2 (MM.496 a MM.497)
První vzlet:
Maiden Flight:
Základní charakteristika:
Basic Characteristics:
Vzlet a přistání:
Take-off and Landing:
CTOL - konvenční vzlet a přistání CTOL - conventional take-off and landing
Uspořádání křídla:
Arrangement of Wing:
jednoplošník monoplane
Uspořádání letounu:
Aircraft Concept:
klasické conventional
zatahovací retractable
Přistávací zařízení:
Landing Gear:
kola wheels
Technické údaje:
Technical Data:
Hmotnost prázdného letounu:
Empty Weight:
2438 kg 5375 lb
Vzletová hmotnost:
Take-off Weight:
4091 kg 9019 lb
Maximální vzletová hmotnost:
Maximum Take-off Weight:
? kg ? lb
13,000 m 42ft 7,81in
9,700 m 31ft 9,88in
2,900 m 9ft 6,17in
Plocha křídla:
Wing Area:
27,80 m2 299.24 ft2
Plošné zatížení:
Wing Loading:
147,48 kg/m2 30.21 lb/ft2
pístový piston
Počet motorů:
Number of Engines:
Piaggio P. XV RC 45, dvouhvězdicový vzduchem chlazený osmnátiválec o vzletovém výkonu 1 119 kW,
Vrtule trojlistá Piaggio P. 1002 s konstantní rychlostí otáček o průměru 3 300 mm
Piaggio P. XV RC 45, eighteen-cylinder air-cooled radial, rated at 1,479 hp for take-off,
driving a three-blade Piaggio P. 1002 constant-speed metal propeller of 10ft 10in diameter.
Objem palivových nádrží:
Fuel Tank Capacity:
1 000 l (2x 330 l křídelní nádrže a 1x 340 l trupová nádrž) 220 UK gallons (72 1/2 UK gal fuel tank in each wing and 75 tank in the fuselage)
Maximální rychlost:
Maximum Speed:
640 km/h v 6795 m 397.7 mph in 22293 ft
Cestovní rychlost:
Cruise Speed:
545 km/h v 6000 m 338.6 mph in 19685 ft
Rychlost stoupání:
Climb Rate:
? m/s ? ft/min
Čas výstupu na výšku:
Time to Climb to:
3,25 min do 3050 m 3,25 min to 10007 ft
Operační dostup:
Service Ceiling:
12400 m 40682 ft
1515 km 941.4 mi
Maximální dolet:
Maximum Range:
1900 km 1180.6 mi
1x pevný kanón Breda AVID CL 20 ráže 20 mm, střílející osou vrtule, 110 granátů a
2x pevný kulomet Breda-SAFAT ráže 12,7 mm nad motorem s 550 náboji na hlaveň.
One fixed forward-firing 0.79 inch Breda AVID CL 20 cannon firing through the center of the propeller hub, 110 rounds and
two fixed forwad-firing 0.5 inch Breda-SAFAT machine-guns in the upper fuselage decking, 550 rpg
Uživatelské státy:
User States:
První prototyp (MM.496) sloužil pouze pro pevnostní zkoušky a nelétal. Projekt byl ukončen měsíc po havárii v září 1943. A landing accident slightly damaged one wing on 2 August 1943. One month later, the armistice brought an end to the project.
L+K 23/1981, Letadla 1939-45, Piaggio P-119
archiv autora
URL : https://www.valka.cz/Piaggio-P-119-t1325#380868 Version : 0
Aircraft history:

American fighter Bell P-39 Airacobra, with its unusual solution (engine in the center of gravity of the aircraft) inspired several designers from different countries to design a similar design. One of them was the Italian designer engineer Giovanni Casiraghi, who after his return from the United States began working at the Piaggio factory as chief designer. First, at the turn of 1938/39, he developed a project for the Piaggio P.118 aircraft, which at the end of 1939 reworked into a new P.119 project. Representatives of the Italian Air Force (Regia Aeronautica) were acquainted with this project, they found the new fighter project so interesting that an order was agreed for the construction of two prototypes (MM.496 and MM.497). From the very beginning, the MM.496 prototype was intended only for static strength tests.

The construction of prototypes began with a considerable delay until the end of 1941. The aircraft was technologically very well designed, great emphasis was placed on easy and quick access to all important parts of the aircraft (engine, weapons, etc.). The fuselage was relatively large, because the propulsion was chosen a massive two-star eight-cylinder Piaggio P.XV RC. 45 with a take-off power of 1,500 horsepower and for possible production was planned to install a more powerful version of the P.XV RC.60 (1,700 hp). The engine was stored behind the cockpit, ie in the center of gravity of the aircraft and this brought advantages - especially better maneuverability, further - the fuselage expanded gradually, which was advantageous in terms of aerodynamics. Another advantage was that it was possible to install a massive armament in the released bow, including a sufficient supply of ammunition, and finally, by moving the cabin in front of the engine, the pilot's view was greatly improved.

The prototype MM.497 was completed in November 1942 and looked quite combative, under the front of the fuselage were large air inlets, which cooled the engine, to regulate the flow of cooling air behind the engine were large control flaps. Factory tests began at Villanova d'Albenga Airport, sometime around mid-November 1942, and military tests began on December 19 of that year. The test pilots complained about insufficient engine cooling, the cooling control flaps had to be kept fully open, but this increased aerodynamic drag and worsened airflow around the tail of the aircraft and was also the cause of vibrations of the tail surfaces. The aircraft had poor take-off and landing characteristics, where it suffered from considerable instability. During the shooting tests, the pilots complained about the large vibrations that were transmitted from the weapons to the entire structure of the aircraft, and remember that only two machine guns were installed, but it was planned to use four machine guns. The lower machine guns were not installed in the prototype, but the handles were prepared for them, as well as there was room for a supply of 450 rounds for each of them.

Tests of the Piaggio P.119 aircraft began with a delay of more than six months against the "Series 5" aircraft. In addition, the new aircraft needed quite a long time to eliminate its childhood diseases, which "Series 5" aircraft almost did not have. The end of the tests was caused by an accident on August 2, 1943, when the prototype crashed during landing, the landing gear brakes failed, the wheels locked and the overturning of the aircraft damaged the propeller and one wing, the front fuselage was damaged, but it could be repaired, Until the surrender of Italy in September 1943, repairs failed to begin. After the surrender, all on P.119 were interrupted and terminated.

Note.— Due to engine cooling problems, it was not possible to perform the full tests and so the performance parameters are only calculated, for example the access was calculated at 12,400 m, but the aircraft did not exceed 9,800 m.

Sources used:
L + K 23/1981, Aircraft 1939-45, Piaggio P-119
author's archive
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Piaggio P.119
Zdroje : http//www.giemmesesto.org/piaggiop119.htm
Piaggio P.119 -

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Zdroj: http://www.airwar.ru/enc/fww2/p119.html
Piaggio P.119 -

Piaggio P.119 -

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Zdroj je uveden výše
Piaggio P.119 -

URL : https://www.valka.cz/Piaggio-P-119-t1325#242412 Version : 0
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