Gvs

[1Cane]

While traveling in a ground vehicle unable to maintain speed and slowly slowing down.  I have mapped  both accelerate and full speed to stick.  It seems to be worse in aT34-85

[Lusche]

Have you checked for accidental small amounts of rudder input? That could slow down a vehicle too.

[1Cane]

I adjusted the dead span of the rudder and so far it seems to have done the trick

[lunatic1]

plus some of the terrains have hills that sometimes you can't tell your climbing instead of being level

[Chalenge]

There is quicksand near the beach that will slowly tug you into the ocean, and near other bodies of water there is sometimes a terrain type that will slowly bring your vehicle to a stop.

[1Cane]

Still having a problem with slowing and stopping.  Recently it happened when I zoomed in a m3

[Skuzzy]

Does the problem appear to happen with all vehicles?  If yes, then it is something localized.  It it happens in only one vehicle, then attach a film to a bug report for that vehicle in the bug report forum.

There are a number of things which can slow a vehicle.

1)  Terrain types.  Different types of terrain will add drag to the vehicle.
2)  Oscillating rudder input,  This is normally just noise from the rudder of the stick.
3)  Terrain grade.  A slight grade is going to slow a vehicle down.

Eliminate all the above, and if it still happens in all vehicles, then attach a film (native AHF file) in the bug report forum.