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Reaching the service ceiling of 20.000m


Mud
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Hey all,

 

Just wondering if someone has managed this feat. I just tried myself to see how high I could go, but at around 14.000m the AB stops. I was able to descend a bit and get up to Mach 2 and then climb again, getting me to around 17.000m. But that's how far she wanted to go.

 

Br,

 

Mud

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I tried to climb a bit, I think maybe 15k feet or so and the engine flamed out... it is horrible at any high altitudes

ASUS Z170, WartHog HOTAS and MFG Crosswind

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Why are you trying to fly a low altitude attack/strike aircraft at 60.000ft? Just curious...

 

Doesn't the fighter variant have the same engine?

 

Some people like to test the flight book limits.

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I doubt they have the same engine, but I'm not sure.

 

I just saw the max ceiling for the AJS in the manual, and figured I'd go chase it!

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W10-x64 | Z390 Gigabyte Aorus Ultra | Core i7 9700K @ 4.8Ghz | Noctua NH-D15

Corsair 32Gb 3200 | MSI RTX 3080ti Gaming X

Asus Xonar AE | TM Hotas Warthog

MFG Crosswind pedals | Valve Index

 

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I doubt they have the same engine, but I'm not sure.

 

I just saw the max ceiling for the AJS in the manual, and figured I'd go chase it!

 

According to LNS's own product information, it uses the RM8A, whereas the fighter version uses the RM8B which is slightly longer due to an additional compressor stage.

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and due to the Modifications to the RM8B it has more thrust,

(72.1 kN dry and 125.0 kN as Compared to the 65.6 kN dry and 115.6 kN wet of the RM8A in the other Viggen variants)

is better optimized for higher altitude operations and is not sensitive

to compressor stalls like the RM8A is

(So no risk for compressor stalls when doing rapid throttle changes or doing high AOA maneuvers etc).


Edited by mattebubben
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