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Posted (edited)

So, I have noticed that GBU-12 seem to do more damage than GBU-38 despite being the same warhead. Possibly this is due to precision of impact point, but in a mission trying to destroy Mi-8's on the ground, I am finding that no matter how precisely the GBU-38 seems to hit, I can't DESTROY the unit with one shot, where a GBU-12 does the job instantly.  Both provide a good deal of Splash damage to adjoining units.

 

The attached TRK is a quick demonstration, though hardly optimized and crappy flying too. 

 

- First attack with GBU-12.  Destruction.

- Second attack with GBU-38 which SEEMS to hit the impact point well.  (I launched before it was fully aligned... but it hit the aim point and was properly fuzed, so it shouldn't be an issue)  I targeted the point where the HELO meets the ground on a unit that seemed to have gotten less splash from the GBU-12. DAMAGE.

- Third attack with GBU-38 on already damaged unit. Full destruction.

 

I've tried with GBU-32, and the heavier warhead definitely scores a kill.

 

Have successfully used GBU-38 against other targets (vehicles, small structures) and definitely gotten kills. Something about parked helos and aircraft that always seem more resistant to GBU-38 for me.

 

 

GBU38 vs GBU12.trk

Edited by Recluse
Other targets
Posted

unfortunately this boils down to damage modelling and weapon accuracy. irl a 500 pound even near a helicopter will utterly devastate it. at a minimum require inspection and repair prior to use as its intended. with that said there are benefits to the LGB over JDAM. one being accuracy. i once had a mission where i knocked down an MI-24. while on the ground and its pilots surveying the damage, i well placed hundreds of rounds of GAU, several 282 rockets, some 82s... and nothing. i reported it and was told that the MI-24 was well armored. heh ok. the crew must have been well armored too.

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Posted

Some of this is down to the DCS damage model, but it's actually the opposite problem that most people have with the DCS damage model for ground units. Because the damage model is quite advanced for aircraft, a bomb going off next to them is less likely to result in the unit being "destroyed" and more likely to result in a pile of system errors which would absolutely make the aircraft impossible to fly for a very long time, but the game doesn't register it as a destruction. Usually this isn't a problem in game, since heavily damaged aircraft generally fall out of the sky and are destroyed when they crash. But when the plane is already on the ground, it just keeps wracking up damaged systems without actually being completely destroyed. 

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Posted

Thanks for all the insight. Not just me seeing issues with A/C on the ground.  For sure they are not indestructible, but it seems to take a LASER PRECISE hit from a Mk 82 class to DESTROY them. I changed the mission success criteria to having them all damaged 60% or greater. Thinking this will allow a one pass salvo of GBU-38 to do the job.

Posted
41 minutes ago, Recluse said:

I changed the mission success criteria to having them all damaged 60% or greater. Thinking this will allow a one pass salvo of GBU-38 to do the job.

Yup, this is the best way. Whenever I make missions that require hitting aircraft on the ground, I make the objective to damage them. If you want to get fancy, you can make a trigger for each aircraft so that once it's damaged to a certain amount it will explode and spawn a fire as well. 

Posted

That's a good idea. They seem to burn pretty well even from splash damage, and I was expecting them to EVENTUALLY explode and register as destroyed, but no such luck.

 

If I can't get a good Damage Percentage to represent NON MISSION CAPABLE, I'll set the extra triggers.  Most of them had at least their tail rotors blown off and a good part of the main rotors shredded so it wouldn't be cheating 😇

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