Well... I've performed two tests: one with a Pe-8 and other with a He-111, flying in the Moscow 1 (winter) map.
Both tests confirm all what I was telling until now:
the TAS, when used as settings for the BS, are different than those indicated by the actual charts, and they regards on the OAT and the altitude.
The attached file contains tracks of both tests.
Quote:
Originally Posted by KG26_Alpha
Something don't add up with current Bombsite data/settings/interface.
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I wouldn't say so...
It doesn't add up if you compare the tests' outcomes with the actual charts. But these tests show the internal consistency of the in-game's atmosphere model.
BTW, I've found the actual charts are not completely useless after all.
Yesterday, checking speeds at different altitudes higher and lower than the range from 4000 to 5000 m, calculating them with the wizz wheel and comparing my results with the charts, I realized that those charts were made for an OAT = 25 ºC @ MSL.
Thus, they may be used only with the following maps:
Iasi (on line)
Crimea
Kiev
Balaton
Hawaii
Midway
Kuyshu
Net 8 Islands
The bad news is that there are other 56 maps in the game, covering a range from -20 upt to +30 ºC.
If the new charts were made for starting OATs from -20 up to +30 in steps of 5ºC each, it would mean 11 charts to cover all the maps (plus other maps included in some mods).
But then it would be necessary to considere all the Altitud/IAS/TAS combinations:
- Altitude in m and IAS/TAS in km/h (Germans, Russians, Italians)
- Altitude in ft and IAS/TAS in mph and kts (Allies)
- Altitude in m and IAS/TAS in kts (Japanese)
This gives us... 33 different charts!!
Do you really think the players would feel comfortable managing so many papers?
IMHO, perhaps it would be better and easier to learn how to use the E6-B, or an app like pilotwizz.
Back to my last tests: the bombs fell faily close to the target.
At this point I'm considering that perhaps the altitude (used as input for the BS) should be corrected by OAT, instead of using directly the indicated altitude, to get a better accuracy.
Which leads us back to the question with wich I started this treath:
What should we use: the indicated altitude, or the corrected ('true') altitude?
It's very easy to check the TAS: we have some aircrafts with IAS/TAS guages. But we haven't other than the barometric altimeter... so, if TD doesn't fire a starshell for us, more testing will be needed.
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Edit:
The page doesn't let me to upload the zip file containing the tracks. Perhaps tomorrow...