Why is it that when taking off in GA aircraft as soon as the nose wheel lifts up the aircraft violently veers to the right. I’m sure this never used to happen. Also I’ve seen videos on YouTube where this doesn’t seem to happen.
Does anyone know what this could be?
I have not observed this behavior.
that normal. is the torque. if the propeller is turning clockwise, the aircraft goes to the left.
if you suddenly accelerate the effect is stronger.
Always happened and was never fixed, it happens with crosswinds.
Since clouseaubo now has other priorities I can suggest to try with a bit of trim up or push a bit the yoke/stick.
Doesn’t sound like torque to me if he doesn’t notice it until the nose wheel lifts, but that IS when you’d lose nosewheel steering.
Would help to know the specific aircraft we’re discussing.
Search your question for many more explanations.joystick calibration, dead zone , xwind etc.. If you are new to flying, try the enable auto rudder..
For sure enable this option if you fly keyboaed/mouse only.
True, but the OP reported a lurch to the right, not left. Probably wind related if not a controller issue.
There’s nothing to fix, with the exception of crosswind being non-existent until the aircraft reaches a certain speed, at which crosswind is now at full strength. This can lead to a lurch in the direction of the wind if you are not ready for it. In effect you have to put in increasing amounts of rudder. This itself is not a bug, but a deliberate kludge to mask the issue they have with static friction.
If they didn’t do this, planes would be blown sideways by a crosswind when stationary. You can still see this in some circumstances though. Find hill, and park the plane on that slope side on. If you sit you will notice the plane slowing creeping up the hill. 
Probably the the wind shear I’m now finding, just like the old FSX instant wind change.
Can you pick where the wind will change during the takeoff roll??? Zoom in on the 2 socks. SMH
There is a known issue where a scenery developer places a windsock in the incorrect orientation. That can lead to two windsocks reporting wind 180 degrees out. It’s difficult to see if that applies in your shot.
This issue has been in the sim for a long time, if not from the beginning, and is not limited to propellor driven aircraft. Happens in the Citations as well. Absolutely incorrect and making takeoffs/landing very awkward with any crosswind component over let’s say 5 knots.
As soon as the nosewheel lifts, you have no rudder authority to keep the aircraft going down the runway.
Rudder authority should increase with increasing airspeed. That is why there is a Vmcg for example. Currently in the sim it seems like it is V maximum control ground instead of minimum 
This will occur if you have “Take-off auto-rudder” enabled in assists in the Piloting section.. The process keeping you straight on the runways disenages as you lift off resulting is a sharp jerk as the full force of any wind takes effect.
That happens to me with every single aircraft
I’ve never used the take off assists, but it makes sense to me. I would imagine it feels a bit like when you have that feature off, and the crosswind component creeps up in speed on your take-off roll. If you aren’t prepared for this, and gradually put in more rudder you get this lurch.
Negative. Happens with assists off.
So in that case its likely one of two things: crosswind, or controls calibration.
Do your take offs look like this?
This was a fairly stiff crosswind, with gusts. Keep an eye on the “Crosswind” readout at the top left, and watch how there is no crosswind when stationary, then as I accelerate the wind comes in. The first point I see a 20kt crosswind is when hit 74kts. The gusts make it near impossible, for me at least, to maintain centre line. Its much easier without gusts though, but the crosswind issue is always there.
I was talking about crosswind takeoffs. I see now that OP does not mention crosswind. I have not tried third party aircraft apart from the WT CJ4 but in all aircraft in MSFS i have flown crosswind takeoffs and landings are weird. As soon as you rotate or when you make contact with the runway, you have to give full rudder input (all calibrated) to compensate the insane weathervaning. And often there is barely enough rudder authority to keep the aircraft from veering of the runway. That is with a 10-15 knot crosswind. That is the issue i am seeing, at least.
True, but they didn’t mention much of anything to go on so I was attempting to fill in the blanks with some possibilities.
Please ignore if already talked about:
Go into Weather Settings and delete the base layer of wind (Ground Layer? Can’t remember the exact name of it in sim, at the moment). For some reason MSFS has always had this built in wind layer between 0-~100 ft.
That only applies to manually configured wind, of course, and not Live weather.
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