the journey was very smooth , no bumps or vibration and this i was pleased about because although i just fitted in the space and was actually able to sit reasonably upright as long as i crouched low in my seat and didnt mind my neck bent forward at a rather uncomfortable angle , it seemed to me that if there was the slightest bump i was going to hurt my head or a knee or something as these parts of me were uncomfortably close to the outside shell of the cylinder .