Fiat C.R.33, proven and improved

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cr33-1

The Fiat C.R.33 was a prototype biplane fighter aircraft developed by the Italian company Fiat Aviazione in the 1930s. Designed by engineer Celestino Rosatelli, the C.R.33 was an improved version of its predecessor, the Fiat C.R.32, with a more powerful engine and some structural changes.

The first flight of the C.R.33 occurred in 1935, but despite its promising performance, the aircraft never entered mass production or active service. Only three prototypes were built. Engine development problems and Regia Aeronautica’s preference for radial-engined aircraft, which were less vulnerable to combat damages, led to the decision not to continue with the project.

The C.R.33 was equipped with a 700 hp Fiat A.33 RC.35 engine and could reach a top speed of 422 km/h. It had a range of 700 km and could go up to an operational ceiling of 10,500 m. The armament consisted of two Breda-SAFAT 12.7 mm in the nose and two 7.7 mm machine guns in the wings (like the C.R.32 BIS already in game).

Despite its short history, the Fiat C.R.33 remains an interesting example of the Italian aeronautical design of the pre-World War II period and the continuous search for improvement in the performance of the biplane fighters of the time despite the inevitable obsolescence of this type of plane

Specifications

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  • Length: 7.56 m
  • Wingspan: 9.80 m
  • Height: 2.63 m
  • Wing Area: 22.40 m²
  • Empty Weight: 1,360 kg
  • Max Takeoff Weight: 1,910 kg
  • Propulsion:
    • Engine: Fiat A.33 RC.35 bis
    • Power: 700 HP
  • Performance:
    • Max Speed: 422 km/h
    • Range: 700 km
    • Service Ceiling: 10,500 m
  • Armament:
    • Machine Guns:
      • 2 Breda-SAFAT 12.7 mm
      • 2 Breda-SAFAT 7.7 mm

Images

Spoiler

cr33-1
Note the placement for the 7.7 guns on the wings

128139-cf634ed7c2ecdc7d86778f5ca441b499

fiatcr32-13
A C.R.32 cutaway just to have a reference of the increased dimensions of the engine

90877-2210ae01565159cc4bb594c9d883e295

Fiat_A.33RC
The FIAT A.33 R.C. engine that powered the C.R.33

Sources

Spoiler

https://wofmd.com/2020/04/04/fiat-c-r-33-istrebitel/
Fiat C.R.33 - Wikipedia
Fiat A.33 - Wikipedia
Jonathan Thompson - Italian Civil and Military Aircraft, 1930-45
George Punka - Fiat CR 32/CR 42 Fighters
Fiat CR.33
Уголок неба ¦ Fiat CR.33
SI VIS PACEM, PARA BELLUM: Il Fiat C.R.32 (Celestino Rosatelli, dal nome del progettista) era un aereo biplano da caccia prodotto dall'azienda italiana Fiat Aviazione negli anni trenta.

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+1 for more biplanes

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Yes, +1.

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+1

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