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On the Topic Of AMRAAM C-Variants: A Request For The AIM-120C-4, C-5, C-6 and C-7


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Posted (edited)
8 hours ago, ACS_Dev said:

We aren't that deep in the weeds yet. As it stands the AIM-120C in DCS does not have a boost phase at all. The weapons file I referenced states that the AIM-120 has a boost phase for initial propulsion and then a sustain phase for maintaining energy. The AIM-120B in DCS has this but the C gets rid of it completely. We have an official Distribution A government document stating that this is wrong. As it stands, who in their right mind would approve an "upgrade" that makes the main missile for their air force both weaker and heavier? It makes no sense whatsoever.

 

The C doesnt have a sustain phase, it's boost only. It's probably just mislabeled in the files. If it didnt have a boost phase it would not get up to speed at all.

Edited by Viper33
Posted
11 minutes ago, Viper33 said:

The C doesnt have a sustain phase, it's boost only. It's probably just mislabeled in the files. If it didnt have a boost phase it would not get up to speed at all.

 

I have linked the files, there is no boost phase, instead it has a slightly lengthened sustain (marsh) phase. A sustain phase is still propulsion, just not meant to make the missile increase velocity as much as the boost phase.

"Got a source for that claim?"

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  • 5 months later...
Posted
On 4/23/2024 at 9:20 PM, ACS_Dev said:

At least in terms of raw power, the AIM-120B is likely the superior missile by a fairly wide margin. If the AIM-120C retained the AIM-120B's boost phase and added the more powerful, longer sustain phase (from the C-5's extended rocket motor) the total thrust units would be about 2016.6, an increase of more than 23%.

Taking this new information into account, it is not possible to determine what AIM-120C ED is modeling. It's too messed up to be firmly decided upon. In terms of pure kinematics, the AIM-120B is probably the superior missile, something that does not make any sense at all.

Hi, I am not sure how you could possibly come to this conclusion looking at the 120C and 120B we have in the game. The 120C is notably faster (and obviously has less drag).

image.png

120c120b.acmi

Posted

I'm also unsure how the conclusion that we have a C-3 and not a C-5 was achieved considering if it were a C-3, the motor would be the exact same as the AIM-120B that we have in-game which isn't the case as stated by you.

- The motor total impulse of the 120B is 105211 N while the 120C we have in-game has a total impulse of 117629 N this is all while the 120C is single stage.

- While the warhead is basically copy-paste, the C-4 improvement to the warhead doesn't specifically mean the warhead is smaller or larger and could just mean that the warhead is improved in a manner such as improved reliability.

- The 3D model is indeed incorrect as it is missing the shorter control section but this is an art thing and doesn't have a direct impact on the performance since it is an art error.

In-game control section

Spoiler

u6Si7IX.png


What it should look like:

Spoiler

NvXItuO.png

 

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Posted

@DSplayer @Default774 Well this is confusing - if it were a C-5 all along, why the change of name from AIM-120C-5 to AIM-120C in the loadout list?

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Posted (edited)
3 hours ago, Northstar98 said:

@DSplayer @Default774 Well this is confusing - if it were a C-5 all along, why the change of name from AIM-120C-5 to AIM-120C in the loadout list?

I have no idea why -5 was removed from the name, but Its worth noting that it was only labelled as a C-5 for a year or two, before that it was also named as an unspecified 120C.

Perhaps @Chizh could provide some insight on why the -5 suffix was removed?

Edited by Default774
  • 3 months later...
Posted
3 hours ago, DCS FIGHTER PILOT said:

Well regardless of what is actually going on with respect to this, it would be nice (given certain upcoming “advanced” modules) to get more modern versions of the AMRAAM. 

I doubt there is any publicly known information about it. It would be amazing though.

Which also means we would also need a missile from the red side as a counter part.

 

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