[Data Sheet] FFVS J-22

[blockhaj 3,560]

Pilots and gentlemen, let me present the FFVS J-22A  and B.

 

Model: FFVS J-22A and B (also known as J22-1 and 2)
 
Technical Description: Steel and wooden fighter plane with a swedish copy of the P&W twin wasp engine. It is the only Swedish military ww2 plane not made by Saab. It was manufactured by Flygförvaltningens Flygverkstad Stockholm "FFVS" which was a company put together by the Swedish air force just to produce the J-22.

 

Visual Aspects:

J-22a in see through. 

J-22's lined up. 

Landing gear going up

General views

General views

The power plant

Cockpit

Undercarriage

 

Short History: The J-22 was ordered by the Swedish air force as an emergency fighter because Sweden didn't have a modern fighter in 1941. The development was rapid and the aircraft went from prototype to service withing a year.
 

Configuration: Single seat Fighter

 

Production Status

First flight: 20 September 1942
Introduction year: 1943

Status: Retired

Number built:  198-200 (different sources)

 

Crew Data
Number of crew: 1
Roles of crew: Pilot
 
Engine Data (Piston Aircraft) (Some J-22's used french curtis hawk 75 twin wasps that may have had 1050 hp)
Manufacturer: Svenska Flygmotor AB, Trollhättan

Name: STWC-3 (Swedish copy of P&W twin wasp R-1830-SC3-G)

Number of engines: 1
Number of cylinders: 14

Configuration: Radial

Cooling: Air
Supercharger / Turbo: Mechanical compressor.
Fuel: 87 octane
Dry weight: 657.70894 kg 
Gear ratio: 2550 rpm

Compression ratio: 6,7: 1

Horsepower: 1065 hp, later 1200 hp (source)

 

Fuel Data
Fuel: 525 liter
Fuel tanks: One in each wing and one in the body behind the pilot. (09-2)

Wing tanks holds 190 liters each. (09-2)

Body tank holds 145 liter which 140 liters is fuel. (09-2)

Fuel tanks.

Fuel system (now with translations)

 

Fuel consumption 

Air time:   1.4 h                     1.3 h                    3.2 h           2.7 h

Distance: 620 km                 700 km               1320 km    1360 km

Speed:      max(mission)      max(mission)      cruising      cruising

Height:      0 m                       4300 m                0 m             4300 m

Liter/h:      375 liter                379 liter               160 liter      190 liter

Kg/h:         280 kg                  290 kg                 120 kg       140 kg

 
Power Data
WEP: 
Take Off Power: 1050 hp (2700 rpm)
Hp max - not Take off: 900 hp (2550 rpm) at 3658 meters
Maximum power: 1 065 hp (749 kW)

Cruising Power: 650 hp (2250 rpm)
 
Propellor Data
Manufacturer: Svenska Flygmotor AB, Trollhättan
Type: SFA Hamilton VP2-M
Number of blades: 3

Original designation: 3E50-E2270
Blade diameter: 3.10 m

Blade type: A-918-4
 
Basic Geometric Data
Length: 7.8 m

Height: 2.8 m (3,6 m with landing gear)
Wing span: 10 m
Wing area: 16 m²
Flap area: 
Elevator area:
Rudder area: 
Aileron area:
 
Weight Data

Normal weight (mission): J-22A (2760 kg) J-22B (2835 kg)

Normal weight (transfer): J-22A (2660 kg) J-22B (2710 kg)
Empty weight: J-22A (2000 kg) J-22B (2020 kg)
Added weight total (mission): J-22A (750 kg) J-22B (813 kg)

Added weight total (transfer): J-22A (659 kg) J-22B (688 kg)

 

Added weight

Loose equipment (mission): J-22A (134 kg) J-22B (163 kg)

Loose equipment (transfer): J-22A (146 kg) J-22B (175 kg)

Pilot: 100 kg both

Ammunition: J-22A (111 kg) J-22B (137 kg)

Fuel, wing tanks: 282 kg both

Fuel, body tank: 100 kg both

Oil: 31 kg both

 
General Performance Data
Maximum speed: 575 km/h at 3500 m Some sources mentions up to 590-610 km/h which might have ben achieved with the later upgraded 1200 hp engines.

Landing speed: 140 km/h

Cruising speed: 440 km/h
Stall speed: 81 km/h

Rate of climb: 15.5 m/s Source

Service ceiling: 9300 m
Range: 1270 km
 
Max Speed Chart
480 km/h at 0 m
575 km/h at 3500 m
560 km/h at 4300 m

 

Practical fighting speed

420 km/h at 0 m

510 km/h at 4000 m

 

Cruising speed

410 km/h at 0 m

500 km/h at 4300 m

 

Max diving speed

650 km/h with landing gear in.

350 km/h with landing gear out.

 
Rate of Climb
2 min to 1.000 meters
3.5 min to 2.000 meters
5 min to 3.000 meters
6.5 min to 4.000 meters

9 min to 5.000 meters

12 min to 6.000 meters

23.2 min to 9300 (service ceiling)

 

Takeoff distance

Solid surface: 350 m

Loose surface: 400-450 m

 

Landing distance

Solid surface: 350 m

Loose surface (with brakes): 350-450 m

 

Armament
J-22A:

2x 7.9 mm ksp m/22F (500 rpg) (page 14-2)

2x 13.2 mm FN (m/39a) (0,53 in) (250 rpg) (page 14-2)

J-22B: 

4x 13.2 mm FN (m/39a) (0,53 in) (250 rpg) (page 14-7)

 

Ammunition

For the 7.9's: 8 mm m/32 8x63 bofors ammo
For the 13.2's: 13.2 mm m/44 13.2x99 FN ammo
 
Notes

 
Sources
Basic info

Best attempt to find info about the engine over the internet

Basic gun info
 

Edited May 15, 2017 by blockhaj

[Mogrizz 1]

Cough cough fw190

[blockhaj 3,560]

Cough cough fw190

Do your research.

[lllFEARLESSlll 220]

Do your research.

he means that it looks like one

[blockhaj 3,560]

Started sheet

[blockhaj 3,560]

almost finished!

[graisseu 504]

I found that , but you are probably aware of this document :

[spoiler][/spoiler]

[blockhaj 3,560]

Working on the datasheet.

[blockhaj 3,560]

Ive almost finalized the fuel data. More data comming soon. 

[blockhaj 3,560]

Ok this thing is almost complete. Moving it to Datasheets - Fighters.