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Posted (edited)

Just did a little test to find out Rmax and Rne from the AIM-120B at different heights. Two hornets at the same altitude head on with mach 1.0.

The screenshot is at 40,000 ft and has an Rne of 7.1nm ...

Isn't that a little weird? I thought it should be a lot further away ...

Tested on Current openbeta 2.5.6.43931

Ren_40k_bei_7nm.thumb.JPG.40d506b045d8074c368c7df8a09618a3.JPG

Edited by bavella1
Tracfile added to thread
Posted

Isn't it a bit too fast marking this report as "no bug"

 

1. The OP stated right in the beginning, that the hornets flew head on.

 

2. The RWR information in the HUD shows that the other Hornet is spiking the OP (would not be possible in rear aspect)

 

3. The Vc is around 1300 knots... Clearly a head on engagement.

 

I would rather guess it was a very fast judgements without even looking at the screenhot/description.

Posted

That´s correct. Both planes were flying head on until the human-players hornet shot the AMRAAM as can be seen in the trackfile. However, I didn't want to report a bug at all. The topic was dragged over to the bug section by a moderator.

Ren_40k_bei_7nm2.thumb.JPG.77b1cd561da58f2dbaf101561feb0e3e.JPG

Ren_40k_bei_7nm3.thumb.JPG.5a4d12737837db1326fcdfbac0a0c1dc.JPG

Posted
Isn't it a bit too fast marking this report as "no bug"

 

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Posted

Are you guys talking about Rmax or Rne?

 

If the bandit turns around 180 and runs the difference in Rmax is going to be dramatic not so much in Rne since it assumes at any given moment the bandit starts turning and running like hell so the difference is the time it takes for him to turn around and accelerate.

I think...:smilewink:

Posted

Rmax, wait 4 seconds more and you can use AIM9X or AIM9M.

I was destroyed by SD10 launched at Angeles 5. I was at Angeles 25, and Rmax reached, 15mn??? and FOX3. RWR alert the SD10, 4 seconds and F18C destroyed.

 

He lauched the SD at 5000 ft and have range before than me that was a 25000 ft???

 

The ranges for the AIM120 are shorter than before.


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Posted
Rmax, wait 4 seconds more and you can use AIM9X or AIM9M.

I was destroyed by SD10 launched at Angeles 5. I was at Angeles 25, and Rmax reached, 15mn??? and FOX3. RWR alert the SD10, 4 seconds and F18C destroyed.

 

He lauched the SD at 5000 ft and have range before than me that was a 25000 ft???

 

The ranges for the AIM120 are shorter than before.

 

Well, that doesn't sound good:noexpression:

 

I've done only 3 BVR engagements (with AI) in 2.5.6. All against JF17's with SD10 at high altitudes. So far I was able to whack the AI with no problems every time. The only quirk I've seen was when launching in TWS on my first engagement... the "LOST" message (reported already)

 

3 runs are definitely not enough to notice possible issues... I'll do some more scenarios later.

Posted

So may this be no bug at all, als BN statet?

I thought Rne at 40k ft head on with 1300 knots v closure should be much more than 7 nm. Am I wrong?

Posted (edited)

Looks like it might just be a bug in the Rne range indication. If the bandit's nose is about 30 degrees to my right, the Rne range indication increases out to around 14 or 15 miles, compared to about 7 miles if the bandit is head-on to me.

 

It might be as simple as some confusion in the code between Navy and Air Force notations for bandit aspect that is messing up the math. In Navy planes a bandit that is facing straight at you is considered to be at 180 degrees aspect. But in Air Force planes it's considered 0 degrees. Or the other way... I forget. But the point is that they're opposite. Maybe the Rne code is expecting Air Force notation in the math.

 

I'm attaching a short track that shows this. We start head-on at 40,000 feet and Mach 1. Then he turns off to my right. As he turns, the Rne range indication actually increases as he turns rather than decreasing as would be expected.

Hornet Rne Test.trk

Edited by NoJoe
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