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Increase flight speeds to mach 0.85 or 85% of max.

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Everyone seems a bit slow, generally. 0.85 is probably a better cruise
speed for supersonic jets and 85% of max is probably fine for subsonic.
This commit is contained in:
Dan Albert 2021-05-22 01:10:23 -07:00
parent 2ca0edf5fd
commit 59e03434e4
1 changed files with 3 additions and 3 deletions
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6
gen/flights/traveltime.py
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@ -36,16 +36,16 @@ class GroundSpeed:
# DCS's max speed is in kph at 0 MSL.
max_speed = kph(flight.unit_type.max_speed)
if max_speed > SPEED_OF_SOUND_AT_SEA_LEVEL:
# Aircraft is supersonic. Limit to mach 0.8 to conserve fuel and
# Aircraft is supersonic. Limit to mach 0.85 to conserve fuel and
# account for heavily loaded jets.
return mach(0.8, altitude)
return mach(0.85, altitude)
# For subsonic aircraft, assume the aircraft can reasonably perform at
# 80% of its maximum, and that it can maintain the same mach at altitude
# as it can at sea level. This probably isn't great assumption, but
# might. be sufficient given the wiggle room. We can come up with
# another heuristic if needed.
cruise_mach = max_speed.mach() * 0.8
cruise_mach = max_speed.mach() * 0.85
return mach(cruise_mach, altitude)