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[Schwann90]

I would like to request a Polish PZL P.55, from 1939, the PZL P.55 was a aircraft being developed by 1939 and that had its first flight expected in 1940, the war however resulted in the fighter never going past drawnings, it would be armed with 6 or 8 .30 cals and one 20 mm cannon, it was powered by a Hispano Suiza 12Y V-12 and had a somewhat modern design by its time in my opnion, as it looked just fine beside Spitfires and 109,s..



General characteristics

    Length: 9.6 m (31 ft 6 in)
    Wingspan: 11.25 m (36 ft 11 in)
    Height: 2.7 m (8 ft 10 in)
    Wing area: 22.5 m2 (242 sq ft)
    Empty weight: 2,300 kg (5,071 lb)
    Gross weight: 3,250 kg (7,165 lb)
    Powerplant: 1 × Hispano-Suiza 12Z V-12 liquid-cooled piston engine, 1,200 kW (1,600 hp)

Performance

    Maximum speed: 660 km/h (410 mph; 356 kn)
    Range: 800 km (497 mi; 432 nmi)

Armament

    Guns: 1 x Hispano-Suiza HS.404 20 mm (0.787 in) cannon, 6-8 x 7.92 mm (0.312 in) PWU wz.36 machine guns

My request does not consist necessarily of a complete aircraft, what i would like to request is either a skin or a hack to represent this plane within IL-2, for this i think the use of the default Kawasaki Ki-61-I-Ko would be the best fit, besides the 61,s INVERTED engine i think it would still look fine, however if a hack is possible i think only a few adjusts to the default 61 model would be needed, such as the placement of the engine exhausts ( is that what its called? ) on a normal position such as this seen in the PZL image, and the removal of the vertical frame on the canopy of the 61, at last there would be the addition of the rest of the machine guns in its wings, i think the cowling machine guns of the 61 should be reutilized as a 'what-if' development of the PZL, keeping the wing from being filled too much, i also think 4x 30 cals and 2x 20mm in cowling are more adequate and realistic, i am doing these modifications on the original because i think that makes it more realistic and also balanced for a 1939 fighter, these are the modifications i think that would be required for a hack, again just a skin would be fine but a hack would be very interesting too!

Oh and, sorry for my english.. and its okay if this cant be done or deleted.

EDIT: added more data

[Radoye]

Nice what-if, so let's quickly add a bit of data so that the request is not deleted!

PZL.55 was a Polish pre-war initial project for a fighter aircraft, designed by Jerzy D?browski of the PZL works. The design was for a single-seat low-wing monoplane, developed from the PZL.26 sports plane and private sports plane project designed by Jerzy D?browski for his own purposes.

The prototype PZL.55/I was designed for the Hispano-Suiza 12Y inline engine but production aircraft were intended to be powered by Hispano-Suiza 12Z inline engines.

General characteristics

    Length: 9.6 m (31 ft 6 in)
    Wingspan: 11.25 m (36 ft 11 in)
    Height: 2.7 m (8 ft 10 in)
    Wing area: 22.5 m2 (242 sq ft)
    Empty weight: 2,300 kg (5,071 lb)
    Gross weight: 3,250 kg (7,165 lb)
    Powerplant: 1 × Hispano-Suiza 12Z V-12 liquid-cooled piston engine, 1,200 kW (1,600 hp)

Performance

    Maximum speed: 660 km/h (410 mph; 356 kn)
    Range: 800 km (497 mi; 432 nmi)

Armament

    Guns: 1 x Hispano-Suiza HS.404 20 mm (0.787 in) cannon, 6-8 x 7.92 mm (0.312 in) PWU wz.36 machine guns

http://www.wardrawings.be/WW2/Files/2-Airplanes/Allies/5-Others/01-Poland/1-Fighters/PZL-P.62/PZL-P.62.htm

[Rector]

Friends!
If the request is from the Polish projects can better P-50 Hawk? This at least was flying. A 1939 campaign would prefer Fokker F-VII

[sniperton]

I don't want to be rude or impolite, but a 1600 hp powerplant (and an airframe capable of 660 kph) seems to me a highly optimistic dream for the year 1940... Moreover, this Uberplane would not fit any historical situation before 1943/44 IMHO.   

[Radoye]

https://en.wikipedia.org/wiki/Hispano-Suiza_12Z

Specifications (12Z-1)

General characteristics

    Type: V-12 60° liquid-cooled, geareed drive supercharged four stroke piston engine
    Bore: 150mm (5.9in)
    Stroke: 170mm (6.69in)
    Displacement: 36.05 litres (2,199.9in³)
    Length: 2,384mm (93.8in)
    Width: 744mm (29.3in)
    Height: 1,074mm (42.3in)
    Dry weight: 620kg (1,367lb)
    Hollow propeller shaft to accommodate a cannon barrel

Components

    Valvetrain: Two intake and two sodium-cooled exhaust valves per cylinder actuated by dual overhead camshafts
    Supercharger: Gear-driven single-stage two-speed centrifugal type supercharger with automatic boost control - ratios 6.36:1 and 9.38:1
    Fuel system: Direct fuel injection @ 40kg/cm² (570psi) 2x Lavalette P511-AS2 6-plunger injection pumps with 1x Lavalette KFD injector per cylinder
    Fuel type: 100/130-octane rating gasoline
    Oil system: Dry sump, pressure feed @ 5kg/cm² (70psi), 20.5 centistokes (100S.U. secs) viscosity oil
    Cooling system: Ethylene Glycol/water mix
    Reduction gear: Spur reduction gear ratio 0.6:1
    Air Equipment 1525 compressed gas starting system

Performance

    Power output:
    Take-off - 1,342kW (1,800hp) @ 1,150mm (45.3in)Hg boost @ 2,800rpm
    Military, low - 1,193kW (1,600hp) @ 2,500m (8,200ft) @ 2,800rpm
    Military, high - 984kW (1,320hp) @ 8,000m (26,200ft) @ 2,800rpm
    Cruising, low - 1,193kW (900hp) @ 3,000m (9,800ft) @ 2,100rpm
    Cruising, high - 1,193kW (900hp) @ 5,600m (18,400ft) @ 2,100rpm
    Specific power: @ take-off power - 37.22kW/l (0.818hp/in³)
    Compression ratio: 7.0:1
    Specific fuel consumption: 0.29kg/kW/hr (0.48lb/hp/hr)
    Oil consumption: 0.006 kg/kW/hr (0.018lb/hp/hr)
    Power-to-weight ratio: @take-off power - 2.16kW/kg (1.32hp/lb)
    B.M.E.P. (Brake mean effective pressure) 16.3 kg/cm² (232psi)

https://en.wikipedia.org/wiki/Morane-Saulnier_M.S.406

M.S.450

In 1939, Hispano started prototype deliveries of the new Hispano-Suiza 12Z engine of 969.4 kW (1,300 hp). One was fitted to a modified 410 to create the M.S.450, giving dramatic improvements in performance, especially at altitude. However the engine did not enter production before France fell, and the similarly modified Dewoitine D.520 (the D.523/D.551) was considered a better design for the engine anyway.

Re: 660 kph, you should always take these estimates with a grain of salt. Same goes for all those '46 Paperwaffe prototypes.

For what its worth, post-war, a generally similar Yugoslav Ikarus S-49 using the same HS 12Z engine achieved a top speed of 630 kph.