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[2.9.15.9599] Bombing calculator erroneous Bomb Range calculations


Go to solution Solved by Stickler,

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Posted (edited)

Is there an error on the Bomb range calculations in the Bombing calculator or is there a bug on my DCS installation? Miz file attached.

EXAMPLE

Mission weather settings: Standard Day (altimeter 29.92, temperature 15°C, zero winds)

Bombing calculator input: DIRECT, MK-82, 500 KTAS, Release altitude 5000 ft, Target altitude 0 ft, Dive angle 30°

Bomb range output: 23 772 ft (see attached image)

However: Consider the following triangle (see attached drawing), where RA = (Release altitude), BR = (Bomb range), AOD = (Aim off distance), X = (BR)+(AOD).

From basic trigonometry it follows that X = RA / (tan(Dive angle))

If we input the above values we get X = 5000 / (tan(30°)) = 8660 ft

It is evident that the Bomb range should be less than the distance X. So it follows that the Bomb range in the Bombing calculator output must be wrong.

 

Edited: added missing definition of BR

Näyttökuva 2025-04-27 115656.png

Bomb triangle.png

TEST.miz

Edited by MagicSlave
Edited: added missing definition of BR
Posted
Is there an error on the Bomb range calculations in the Bombing calculator or is there a bug on my DCS installation? Miz file attached.
EXAMPLE
Mission weather settings: Standard Day (altimeter 29.92, temperature 15°C, zero winds)
Bombing calculator input: DIRECT, MK-82, 500 KTAS, Release altitude 5000 ft, Target altitude 0 ft, Dive angle 30°
Bomb range output: 23 772 ft (see attached image)
However: Consider the following triangle (see attached drawing), where RA = (Release altitude), BR = (Bomb range), AOD = (Aim off distance), X = (BR)+(AOD).
From basic trigonometry it follows that X = RA / (tan(Dive angle))
If we input the above values we get X = 5000 / (tan(30°)) = 8660 ft
It is evident that the Bomb range should be less than the distance X. So it follows that the Bomb range in the Bombing calculator output must be wrong.
 
Edited: added missing definition of BR
Nyttkuva2025-04-27115656.thumb.png.970af86fb7a7e0c55e88cc135d202596.png
Bombtriangle.png.4ee8c0b7fb45e08f84774df3d0dd2e4b.png
TEST.miz
Are you on the latest version? There was a sign bug on the dive angle. But if I recall it had been fixed in the latest patch.

Could you redo the experiment with a dive angle of 0? Cheers
Posted
11 minutes ago, Zabuzard said:

Are you on the latest version? There was a sign bug on the dive angle. But if I recall it had been fixed in the latest patch.

Could you redo the experiment with a dive angle of 0? Cheers

Dive angle 0° gives Bomb range 14 418 ft.

My DCS Launcher says the game version is 2.9.15.9599

12 minutes ago, Stickler said:

It‘s a bug. Please reference 

 

 Setting the angle to -30° indeed gives a more plausible result of 6427 ft.

Thanks!

Näyttökuva 2025-04-27 142135.png

Näyttökuva 2025-04-27 142229.png

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