Helix angle the helix angle. The efficiency can be plotted versus the helix angle for a constant friction, as shown in the adjacent diagram. The maximum efficiency is a helix angle between 40 and 45 degrees, however a reasonable efficiency is achieved above 15°. Due to difficulties in forming the thread, helix angle greater than 30° are rarely used. Moreover, above 30° the friction angle becomes smaller than the helix angle and the nut is no longer self-locking and the mechanical advantage disappears. In helical and worm gears, the helix angle denotes the standard pitch circle unless otherwise specified. Application of the
Larger than Life (House) Larger than Life (House) "Larger Than Life" is the ninth episode of the seventh season of the American medical drama "House". It aired on January 17, 2011. When a musician named Jack (guest star Matthew Lillard) puts his life on the line to save a stranger who fell onto subway tracks, he emerges unscathed, then suddenly collapses, much to his young daughter Daisy's distress. The team works to diagnose his problem as his condition worsens, with only House remaining cynical about his heroism. Masters insists it must be an infection, but House dismisses the idea. Jack, who is away from