Crea sito
 
Yakovlev Yak-2 and Yak-4
by Massimo Tessitori
Updated on September 30, 2005                                                                file name: index.htm
back to VVS research index

 
samolot 22
the first prototype
Uploaded on September 30, 2005
BB-22
the second prototype
Uploaded on September 30, 2005
production Yak-2
tests and start of production
Uploaded on September 30, 2005

Yak-2 KABB-MV

prototype of a ground attack plane

trainer Yak-2
production Yak-4
tests and start of production
Uploaded on September 30, 2005
Yak-2 at war
a photo gallery
Uploaded on September 30, 2005
Yak-4 at war
a photo gallery
Uploaded on September 30, 2005

scale drawings

3 view drawings of Yak-2 and profiles of all versions

Uploaded on September 30, 2005

 
 

technical details

commented images of cutaway, cockpit, engines

 
Yak-2/4 of Amodel
guide to model building 
Uploaded on September 30, 2005
 
completed model
a photo gallery
Uploaded on September 30, 2005
 
   

 
Comparative table of characteristics of many Soviet bombers:
Yak 2, Yak-4, its forerunners, successors and concurrents
samolot 22 BB-22 Yak-2 Yak-4 SB-2M103 SB-RK (Ar-2) SBB Pe-2 mod.1940
year of first flight 1939 1940 1940 1940 1937 1940 1941 1940
built  1 1     6400 (all versions) 197 2 10574 (all versions)
crew 2 2 2 2 3 3 3 3
engine 2xM-103 2xM-103 2xM-103 2xM-105 M-103 M-105R M-105R M-105
takeoff power (hp) 2 x 960 2 x 960 2 x 960 2 x 1050 960  1100 1100 1050
length (m)         12.27 12.5 12.78 12.78
wingspan (m) 14.0 14.0 14.0 14.0 20.33 18.5 16.0 17.15
wing area (sm) 26.73 29.4 29.4 29.4 56.7 48.7 40 40.5
empty weight (kg) 3796   4258 4560 4768 4430 4415 5363
gross weight (kg) 5023 5315 5630 6115 6380 6650 5961 7500
speed at sea level (km/h) 455 449 410 458 375 410 455 452

speed (km/h)

at altitude (m)

567

4900

535

5000

498

4800

533

5050

450/4100 480 at 4700 560 at 5000 540 at 5000
climb to 5000 m (min) 5.75 7.4 8.0 6.5 9.5 7.1 5.5 9.3
service ceiling 
empty (m)
10800 8900 8700 9700 9300 10100 14100 8850
operational range (km) 960 800 900 740 1900 1500 880 1315
takeoff run (m) 375 500 390 442 370 340  400 362
landing roll (m) 855 500 300 496 400 350
bomb load (kg) 120 400 400-500 400-900 1500 1500 1000 600-1000
armament   2x7.62 ShKAS 2x7.62 ShKAS 2x7.62 ShKAS 4x7.62 3x7.62 3x7.62 4x7.62

 
Credits

I would thank for their help:


Jan Koennig

Marcin Widomski

Matthias Erben

Jekl Libor
Marko Tisovic

 

Sources

Le Fanà de l'Aviation n.368- Le Yakovlev 2 et 4 of Khazanov an article with photos

Avijacija i Vremja magazine (1996/04), an article of Khazanov and Medved', with good line and color drawings;

Barbarossa Victims of T.J.Kopanski, ed.Mushroom: photos of captured and wrecked planes
Red Stars of Geust, Keskinen, Stenman: one photo and one profile
Soviet combat aircraft of the Second world war vol.2 of Gordon, Khazanov, Medved: some photos and history

Russian piston aero engines of V.Koletnikov, ed. The Crowood Press : image of M-103 engine

http://www.airwar.ru/other/draw/yak2.html the drawings of Aviacia i Vremja, a bit cropped
http://www.airwar.ru/other/draw/yak4.html

Some photos of destroyed & captured planes on: http://jetjournal.net/modules.php?name=coppermine&cat=82
Some drawings of Ar-2: http://airwar.ru/other/draw/ar2.html


An encyclopedia on Soviet aircraft and images of SBB: http://www.ctrl-c.liu.se/misc/ram/

 
back to VVS research index