Bevel gear ordinary gear is the shape of a cylinder. The pitch angle of a gear is the angle between the face of the pitch surface and the axis. The most familiar kinds of bevel gears have pitch angles of less than 90 degrees and therefore are cone-shaped. This type of bevel gear is called external because the gear teeth point outward. The pitch surfaces of meshed external bevel gears are coaxial with the gear shafts; the apexes of the two surfaces are at the point of intersection of the shaft axes. Bevel gears that have pitch angles of greater than ninety
Less Than Hero episode received a Nielsen rating of 5.0/9. Zack Handlen of "The A.V. Club" gave the episode an A, saying: "Seeing Leela, Fry, and Bender work together as a team nearly always makes for something grand, and on the whole, “Less Than Hero” doesn’t disappoint. Its ambitions are modest, and it makes the most of them. Plus, it offers the rare chance to see super-heroes being ridiculous for no other reason than they want to. We could use more of that, really." Less Than Hero "Less Than Hero" is the fourth episode in the fourth season of the American animated television