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Viggen performance over 15,000ft


Floydii

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Why does the Viggen struggle to maintain flyable airspeed above 15,000ft even at full military thrust?

 

I'm curious as other jet aircraft in the game seem to get along just fine up to 30,000ft while the Viggen basically needs to be tapped into zone 1 Afterburner constantly to maintain airspeed over 350kph IAS.

 

Was the real Viggen actually this poor a performer at altitude or is there some sort of simulation modelling issue that is causing this subpar performance? Was the engine somehow optimized for low alt performance at the expense of flying at altitude due to the Viggen's anticipated mission profile?

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I translated the system check flight that were used to check the aircraft performance after maintenance. Check some threads down. If you follow the steps you will see if the aircraft behave as expected.

If you can go through the steps without issues you have an aircraft ready for combat.

 

Make a mission with a 100% fueled clean aircraft and set air temp to 0 or 20 deg Celsius so you have a reference to compare your values with the charts.

 

Cheers

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