That’s why some high-end resorts now offer to lock away guests’ computers, CrackBerry’s, cellphones and PDAs so it’s almost impossible to slip back into staying in 24-hour contact “just in case.”

Remove brushes and short the ring together with a copper link in case of a slip ring motor (wound rotor).

The fore-body with sharp section angle can produce direction stability at middle-higher angle of attack in the case of side-slip.