Commercial or passenger aircraft are usually designed for optimum performance at their cruise speed or VC. Combustion engines have an optimum efficiency level for fuel consumption and power output. Generally, piston engines are most efficient between idle speed and 25% short of full throttle.
The blood to your head rushes when you do a quick movement, so, naturally, dizziness is expected. I think the blood rushes from your head too fast. it is called postural hypotension.. whereby, due to getting up suddenly to a upright position, there is lower blood supply to th head.
To prevent mild, occasional dizziness, avoid prolonged standing. Rise slowly after lying or sitting down. If you start to feel dizzy while you're driving, pull over. If you're standing when dizziness hits, lie down on your left side. ...Vertigo www.lifescript.com/health/a-z/conditions_a-z/conditions/v/vertigo.aspx. may have sudden, short (15-30 seconds), intense bursts of dizziness when you ...ny time you get up, do it slowly to avoid dizziness. What happens if you're normally on medication for something? ... You can use trays or a large book as a desk as you're lying on your side. ... Just don't lie flat on your back, on your stomach or on a massage table. ...