Jump to content

General Electric J79-GE-17 engine thrust AND Tumansky R-13F-300 thrust

Hi everyone,

F-4E Phantom II

General Electric J79-GE-17:

-Real Engine dry thrust: 11870 lbf(5384kgf) / Afterburners thrust 17900lbs( 8119kgf) https://imgur.com/a/Nm6J5yF           https://www.academia.edu/42676072/TURBOFAN_AND_TURBOJET_ENGINES_DATABASE_HANDBOOK

-in game dry thrust: 11464.04lbf(5200kgf) / Afterburners thrust 17654.62 (8008kgf)  the max thrust in game is lower then the actual ge-17/a thrust 


(slatted version or agile eagle program) https://drive.google.com/file/d/15lF5LGKAqAdM4P6YzBDYWx52r1rDdXh-/view        F-4E flight manual 

sea level: in game mach 1.06 with 35095lb gross weight --- real life mach 1.11 with 42.777lb (4 aim7) gross weight.

10k ft     : in game mach 1.25 with 35095lb gross weight---- real life mach 1.36 with 42.777lb (4 aim7) gross weight. https://imgur.com/a/QzLo9kD (time to max speed at 10k ft)

20k ft     : in game mach 1.55 with 35095lb gross weight---- real life mach 1.62 with 42.777lb (4 aim7) gross weight.

30k ft     : in game mach 1.88 with 35095lb gross weight---- real life mach 1.88 with 42.777lb (4 aim7) gross weight. (to be noted it took 12/15min of straight flight at 30k ft to reach top speed with 35095lb gross weight)

https://imgur.com/a/BXltDTr (time to max speed at 30k ft)

36k ft     : in game mach 2.02 with 35095lb gross weight---- real life mach 2.04 with 42.777lb (4 aim7) gross weight. (to be noted it took 12/15min of  flight from 40 to 30k ft to reach top speed with 35095lb gross weight)

https://imgur.com/a/O9pkhQy(time to max speed at 35k ft)

engine weight:

in game 1750kg 

actual : 3835lb ( 1739kg) http://www.jet-engine.net/miltfspec.html

F-4E Phantom II empty weight :

in game 14114kg 

actual : 13397kg  https://www.marchfield.org/aircraft/fighter/f-4e-phantom-ii-mcdonnell-douglas/




Tumansky R-13F-300 :

-Real Engine dry thrust: 9042lbs (4010kgf) / Afterburners thrust: mig 21SMT 15268lbs (6925kgf) of thrust  https://imgur.com/a/uXorzri

                                                                                                       mig 21ST  15563lbs (7059kgf) of thrust https://imgur.com/a/ynCI1wv 

                                                                                                       r13f 300- 15500lbs( 7030kgf) of thrust http://www.jet-engine.net/miltfspec.html        https://imgur.com/a/nuBzOAe

                                                                                     wikipedia r13f 300 - 14320lbs(6495kgf) of thrust https://en.wikipedia.org/wiki/List_of_Mikoyan-Gurevich_MiG-21_variants( wikipedia source has been added with all the sources found on the internet, if wiki source disturb the mental stability feel free to discard it as an actual source)

-in game dry thrust: 8635 lbs(3917kgf) / Afterburners thrust 16082( 7,295 kgf)


in game: 2,240kmh 

actual: 2230kmh  


in game: 1370kmh

actual: 1200kmh at sea level by this --> https://imgur.com/a/fWBGOyh     https://issuu.com/arielbarbuio/docs/osprey_air_vanguard_014_mikoyan-gur page 24 (this might differ from other sources)

other sources states the max at 1300km/h.

engine weight: the MIG 21SMT  R-13/f- 300 engine was based on the R-11F2S-300 engine which was 1165kg in weight. the new r 13f-300 had a newer nr 54 fuel pump regulator, the thrust of the new engine increased by 7% with a 3.2% increase in engine weight. 

in game: 1135kg 

actual: 1204kg upgraded version r 13f-300   

R-11F2S-300 engine weight: https://imgur.com/a/DeR0kXS      https://issuu.com/arielbarbuio/docs/osprey_air_vanguard_014_mikoyan-gur

r 13f 300 engine weight: https://imgur.com/a/qR6zwcE          http://www.leteckemotory.cz/motory/r-13/

MIG 21SMT empty weight: 

in game:5950kg

actual: 5700kg https://issuu.com/arielbarbuio/docs/osprey_air_vanguard_014_mikoyan-gur page 23    screen: https://imgur.com/a/aTBBi1h


Edited by sanyuki

Share this post

Link to post
Share on other sites

Value provided are static thrust.


It's for 0kmh, on a static test bench, not installed in an airframe.


Current value are correct for a thruster inside an aircraft, as per datasheet.


Weight are based on manuals, which are primary sources.


No issues.


Please repsect the bug guidelines by doing 1 issue per thread and by proviuding the adequate sources and testing.





  • Thanks 1

Share this post

Link to post
Share on other sites
This topic is now closed to further replies.
  • Recently Browsing   0 members

    No registered users viewing this page.

  • Create New...