Can someone give a good explanation of changing HOF and RPM on CBUs?

I know what they mean and stand for but can someone give me a good explanation of how and why to change them given a specific situation?

I find I tend to get better results when I lower the HOF to 1200 feet. I assume it's creating a more concentrated blast area? But I still notice often infantry standing when I feel they should be obliterated.

Also, I use CBU 87s and 103s on infantry and utility trucks. And CBU 97 and 105 on tanks and IFVGs. Is this correct deployment?

What do you guys use? And how do you approach it?

Regards Jason

You're using them correct. The correct bomb for the correct target. Unfortunatly blast-fragmentation isn't that greatly modelled right now. So you'll sometimes see vehicles and infantry survive things from the 87/103 while they should definitly have been in the pain zone. Note that the 87/103 is a multi-purpose round that also has a HEAT element to it. So it should damage some armored vehicles. I don't think it's worth it against tanks though.

It's true that both HOF and RPM affect the weapon footprint. I am providing a link to a table of footprint sizes as provided by the 476th

https://www.google.nl/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&ved=0ahUKEwiP8umc_t_MAhXlA8AKHb8UClEQFghAMAQ&url=http%3A%2F%2Fwww.476vfightergroup.com%2Fdownloads.php%3Fdo%3Dfile%26id%3D73%26act%3Ddown%26actionhash%3Dguest&usg=AFQjCNGRGM0DkKYidL2-NYtsubd_V8NA2g&sig2=eHXXW9mSuIOuAz8DNJHBSA&cad=rja

Lowering the HOF also reduces the time the 97/105 spends dangling from their parachutes. Useful against mobile targets or during windy days. Don't lower it to much though. About 900-1200 feet is fine if I recall correctly.

Hope it was helpful.

Thank you!

I know what they mean and stand for but can someone give me a good explanation of how and why to change them given a specific situation?

 

I find I tend to get better results when I lower the HOF to 1200 feet. I assume it's creating a more concentrated blast area? But I still notice often infantry standing when I feel they should be obliterated.

 

Also, I use CBU 87s and 103s on infantry and utility trucks. And CBU 97 and 105 on tanks and IFVGs. Is this correct deployment?

 

What do you guys use? And how do you approach it?

 

Regards Jason

I found 1200 feet much too high for optimum CBU effectiveness. Here is how you can reset the default:

Open the LUA file in program files/eagle dynamics/dcs world/mods/aircraft/a-10c/cockpit/scripts/dsms/device/dsms_interface.LUA


 (shortcut would be just do a windows search for "dsms_interface.lua")
 Edit the "HOF_names" line to 
 HOF_NAMES = {"300 - A", "500 - B", "700 - C", "700 - D", "700 - E", "700 - F", "700 - G", "2200 - H", "2600 - J", "3000 - K"}


 HOF_DATA = {300, 500, 700, 700, 700, 700, 700,   2200, 2600, 3000}


 You can also just edit the default height if you didn't want to be stuck at 700 feet all the time. Once you do this, anytime you put a 105/97 on the jet it will be set for 700 feet, and since DCS doesn't model proper skeet target height detection it will mitigate having to aim off target for wind. 
 

Thanks habu- great to know there's a way to change the default settings. I hate the hastle of changing it every time I run a mission.

So how do you change the default? Just change the lines in the HOF_data?

Is there a way to change RPM too?

I think the default is 1200-E, so whatever value is assigned to E is the default. I have not investigated rpm settings.

I prefer 700ft as well. RPM should further affect the area of dispersal, but it doesn't do anything in DCS.

In my thorough weapons testing, 87s fell short to 97s. 97s consistently killed more soldiers than 87s for instance.

I don't bother to load 87/103, but ED may one day incorporate true blast damage and fragmentation. Then they'll be a real asset for wide dispersal high wind situations (they don't have parachutes).

[ame=http://www.liveleak.com/view?i=86e_1455565360]LiveLeak.com - SU-34 attacks Haritan with two cluster bomb strikes[/ame]

Thanks habu- great to know there's a way to change the default settings. I hate the hastle of changing it every time I run a mission.

 

So how do you change the default? Just change the lines in the HOF_data?

 

Is there a way to change RPM too?

lol It's part of the set up, like with the rest of the start up/check list. HOF, as mentioned, needs to be adjusted for desired radius AND if there's wind. Lower seems to be better and I tend to keep it at 700.