Unguided Bomb advanced settings question

[Balu0]

Hi all

 

First post \o/

 

Juts bought the sim a few days ago, and spent most my time in the manual :book: not in the cockpit as it should be :D Great Sim! :joystick:

 

Anyway Im coming from Falcon4 (long time ago :pilotfly:) so luckily a lot of things are familiar and old reflexes are coming back.

 

My question is how and when to use the extra parameters for unguided bombs on the 2nd page of the DSMS profile page.

(Escape Maneuver, Desired Time of Fall, Minimum Altitude, Horizontal Offset, Vertical Offset, Weapon Eject Velocity and Bomb Rack Delay)

 

I would like to practice bomb delivery with those settings in use. But the manual is not too informative about them.

 

I have no clue at all what some of those do.

 

So I would appreciate and training material, link, post about those setting.

I'm also curious if real A-10 pilots are using those or are they for only some special situations.

 

Would be nice to know the methods used behind those setting, how to calculate them for a given situation, how to determine the values ect.

[Eddie]

Escape Maneuver,

 

This refers to the maneuver you'll use after release, it is used by the IFFCC in minimum range calculations. From memory, so the exact definitions may be off but, CLM = climb, TRN = turn, TLT = turn/level/turn and NONE is what it says. I'll have to check through some documents when I get home and get back to you with more detail on each if nobody responds beforehand.

 

Desired Time of Fall

 

What it says on the tin. The time of fall you would like the bomb to have, this is used in combination with the desired release cue (DRC) on the hud. If you search the manual you'll see the DRC explained very well.

 

Minimum Altitude

 

Again, what it says on the tin. Used in minimum range symbology calculations (along with the escape maneuver setting). Should be set according to your delivery type and the weapon yield. The IFFCC will not stop you releasing below this altitude, it'll only display HUD symbology to let you know you're below it.

 

Horizontal Offset, Vertical Offset, Weapon Eject Velocity and Bomb Rack Delay.

 

All of these settings are not relevant to the sim. They are all specific to the aircraft and are calibration settings to allow the IFFCC to compensate for imperfections in the airframe and weapon pylons etc, in the same way that you have to 'zero' a rifle sight.

[Balu0]

Escape Maneuver

"...it is used by the IFFCC in minimum range calculations..."

Please elaborate this when you get back, sounds interesting.

What effect it have on the delivery, any visual clue provided for the pilot?

What difference dose each settings have?

Desired Time of Fall

Yes, I understand the concept, and how it effects the delivery, and what visual clue is provided for the pilot ,and the actions needed to match the DToF.

What I'm most interested in here is the methods and factors considered setting up this value. Let's say how do I determine I need 15 sec of fall time or 22?

Dose this have anything to do with toss bombing ?

Minimum Altitude

"...The IFFCC will not stop you releasing below this altitude..."

Nice info, I always thought it will prevent me for releasing the weapon.

 

IIRC Min altitude is determined by the weapon type , the speed of the aircraft at release and the general threat environment.

I faintly remember seeing the detailed table about minimum safe release altitude and speed for different weapons in a PDF files. Maybe in the public USAF F-16 manual ... I will have to look it up.

Edit: Oh man, it was the F-16 Dash 34 manual, and I had it in pdf format, but I have new system since then and I lost it. Now all dash 34-s are relay hard to find. IIRC they are no classified just damn hard to get. If they are classified, I lied I didn't had it in pdf format ;)

 

Anyway if you have any addition info about the methods for calculating Min.Alt, I would appreciate. :smartass:

 

 

/*

Horizontal Offset

Vertical Offset

Weapon Eject Velocity

Bomb Rack Delay

*/Got this, they are for calibration for errors. Makes sense (less numbers to play around with :( :smilewink:)

Edited October 21, 2011 by Balu0

[Balu0]

Desired Time of Fall

Just come across a nice CBU setting in the DSMS and here on the forum about the FZU39 and FNC Time for CBUs. So I immediately concluded that if I have a given CBU burst time, I can use this DToF setting in conjunction. Setting it up so I know the Fall time, and I know the Burst time, so I can match it to a desired burst time above surface :smartass: ye, I'm nerd, but now the ground chief can give me all those faulty CBUs with defunct FZU39s :doh:

[159th_Viper]

....so I can match it to a desired burst time above surface....

 

CBU's rely on altitude to determine when they burst: Set in the INV (Inventory) page, OSB HOF (Height of Function).

[Balu0]

CBU's rely on altitude to determine when they burst: Set in the INV (Inventory) page, OSB HOF (Height of Function).

 

Not if you shut down the FZU39 proximity sensor on the same inventory page you mention, than it is the FZN time that will burst the CBU.

 

I did not tested this yet, but there is a forum post around about this here.

(http://forums.eagle.ru/showthread.php?t=77591)

 

But I will definitely will give this a try, but for that I will have to learn the editor part (may weakness in all sims :D)

 

I'm trying to figure out the reason behind the DToF setting. How why and when to use it. Just come up with this silly thing while reading that post I linked.

I guess real A-10 pilots don't go around with faulty CBUs, end even if the FZU39 malfunction, the pilot have now way knowing it in the air. So this was more of a joke than real thing.

 

Lets get back to normal free fall unguided munition delivery. :P