No. The helicopter does not go along with the train, generally speaking. If the air were replaced with water, the copter would go along with the train, generally speaking. The reason for that is the force that the water exerts as drag is orders of magnitude greater than air. It has nothing to do with pressure. Also, given a sufficient moment of acceleration it hits the wall in the water.
Are you speaking about a copter that is already moving along the same vector as the train and they both maintain that vector or a copter that is hovering relative the ground and then the train moves?
I'm talking about the doors are open while people load the train, dude flies his helicopter in there, the doors close, and the train takes off.
Yeah, well in that case the copter hits the wall. The reason things don't go apeshit in an airliner is that they are flown smoothly and you are seated for when shit ain't smooth. Pressure isn't really a factor in this outside of extremely dense air and exceptionally high acceleration forces.
That's what I said back in the very beginning. Even in the picture in the OP it says "the helicopter enters a resting train and hovers, then the train moves".
It's weight the same, air pushing down on the floor to give the chopper lift would replace the weight of the chopper touching the floor
So anyway - for me it's less about newtons laws (which say flat out the object not in motion stays still and the wall of the train car creams the chopper) and more about how helicopters move/hover. I'm guessing when hovering they are not actually putting any force in an outward direction, just downwards in an amount equal to the weight of the helicopter. So in that case unless the train pushes the air hard enough to have it transmit force to the helicopter, it smacks the wall. If the blades are putting some sort of horizontal force out as well as down then it could move with the train (I don't think that's the case tho, maybe I'll do some more reading up on them during the Endurance Saturday )
Correct, it will smash against the wall unless the pilot – operator counteracts for the motion and sets the helicopter in a forward moving motion to keep the same distance to the wall while staying at a set distance to the floor, until the train Has reached its targeted speed that it’s not required anymore to compensate positive or negative acceleration
So, what if you take a 2 oz fishing sinker and a 40lb dumbbell to the top of the tower at COTA and drop them at the same time. Which one hits first?
Google flying heli inside a moving truck. It's been done. The air in the enclosed cabin moves with it.