MiG I-320

[blackkite]

Hi! MiG I-320.
(1) MiG I-320 was a all weather interceptor with radar requested in January 1948.
(2) MiG OKB built two prototypes R-1 and R-2.
(3) Two crew aircraft with twin engine.
(4) The wing had the same aerofoil profile and sweep compared with MiG-15.
(5) The airntake was divided into three, the center duct fed air to the front RD-45F engine, side duct passing on each side of the cockpit fed the air to the rear RD-45F engine.
(6) The cockpit was unpressurized.
(7) The left seat was occupied by the captain, the right seat was occupied by the radar operator.
(8) Armament : two N-37 cannons.
R-1
(1) The first flight was 1949/4/16.
(2) radar delayed to install.
(3) Problems were wing drop (from 930 to 940km/h) and roll instability at Mach 0.895.
R-2
(1) Completed in 1949/11.
(2) Engine : VK-1 (2700KG each).
(3) Larger windscreen and canopy.
(4) Radar : Toriy-A.

 

[blackkite]

Hi! R-1 and R-2(R-3).

 

[blackkite]

Hi! These images shows R-3. R-2 was modified after an accident, becoming the R-3. Note the third wing fence.
http://www.fiddlersgreen.net/models/aircraft/MIG-I-320.html

 

[Zizi6785]

I-320_(FN)

 

[blackkite]

Hi! Model pictures shows R-3.
https://www.72news.eu/2017/05/modelsvit-mikoyan-i-320-r-3-renders.html
http://www.flankers-site.co.uk/model_mig-i-320.html

 

[Jason Dykstra (Wyvern)]

Performance and data shown can be found in the link below:

USSR / Russia (III)

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q-zon-fighterplanes.com

It is a rather odd and portly looking plane. How did this aircraft fare against other designs? Did it have any advantages/disadvantages?

 

[Joopeye]

Short article in a Dutch magazine from the early 1950s, 'Avia-Vliegwereld'. Art-work unknown to me. MiG I-320 is called a twin-engine MiG-17 here.

 

[Justo Miranda]

Some additional info

 

[Jason Dykstra (Wyvern)]

Interesting

 

[Justo Miranda]

MiG I-320 second prototype

 

[Motocar]

Cutaway render MiG-I-320 MODELSVIT and retouched by Motocar