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Mikoyan LFI (4.12)

overscan (PaulMM)

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The LFI was supposed to be developed alongside the MFI as a lightweight, single engine, cheaper version. To save money, however, the LFI program was suspended, as it shared the MFI configuration the initial 1.44 prototype would serve to verify the basic airframe design. The intention was that the program could be resumed later if needed.

No official pictures or drawings have been released, but Paralay's drawings will be fairly accurate, based on a scaled down 1.44 configuration with one engine.
 

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blackkite

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This document says that....
https://defence.pk/threads/cancelled-russian-lfi-project-now-jf-17-fighter.53650/

"The LFI (Lyogkiy Frontovoy Istrebitel, Light Frontline Fighter) project was intended to develop a lightweight fighter with respectable air-to-ground capabilities.

Yakovlev proposed the Yak-43, an upgraded Yak-41 with a stealthier design and more powerful engines. After neglecting the MFI competition, Sukhoi decided to submit a design for the LFI called the S-37 (unrelated to the heavyweight Forward-swept wing fighter). This S-37 resembled the Gripen in that it had canard foreplanes, a delta wing and one engine.

Mikoyan entered the MiG izdeje 33 design, which bore a resemblance to the F-16. MiG could not afford to develop both the MFI and LFI, so their LFI entry was eventually withdrawn. The program was subsequently cancelled in 1992, and no prototypes of the three designs were built, although MiG sold the izdeje 33 concept to China, which resulted in the JF-17 Thunder fighter."
 

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blackkite

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Hi!
https://aviationsmilitaires.net/v3/kb/aircraft/show/2016/mikoyan-gourevitch-mig-412-lfi

TECHNICAL SPECIFICATIONS​

DESIGNER
OKB MiG​
COUNTRY
Russia​
TYPE
Stealth-Fighter​
CREW
1​
POWER-PLANT
One bypass engineAL-41F​
Thrust, kgf​
1 x 20.000​
DIMENSIONS
Length, m​
17,90
Height, m​
4,7
Wing span, m​
8,1 (11,9)
Wing area, m2​
-​
WEIGHT
Maximum take-off, kg​
14.000​
Normal take-off, kg​
-
Empty aircraft, kg​
-
Internal fuel, ltr​
-
PERFORMANCE
Maximum speed, km/h​
2.100​
Max speed in low height, km/h​
-​
Combat range, km​
4.000​
Service ceiling, m​
-​
Maximum overload, g​
-​
ARMAMENT
Air-to-air missile.​
 

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blackkite

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elmayerle

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I would have to argue about the ancestry of the JF-17, it clearly derives from the "Super 7" efforts that ended when relations got cold after Tienamen Square.
 

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