Physics on player behaving oddly

Hey, bringing back an issue I’ve had with the engine ever since launch, I have posted a previous question regarding this but recieved no help.

So I have a physics simulating skeletal mesh parented into my character blueprint, running of the original UE4 fistperson character.

The lantern works great when standing still and moving sideways, it behaves as one would expect, but as soon as I start moving around, jumping, crouching and walking/running things go very bad, it is as if the force applied to the player to cause movement is also being applied to the mesh. I have tried everything I could think of and fiddled around with every possible setting inside the skeletal mesh to try and fix this, but to no avail.

Here is a video of the problem in action.

RIGHT HERE