bottom dead center

См. также в других словарях:

• bottom dead center — (BDC) The lowest point of the piston and connecting rod travel in a cylinder. In a horizontally opposed engine, it is sometimes called the outer dead center. Opposite to top dead center. Also see after bottom dead center before bottom dead center …   Dictionary of automotive terms

• before bottom dead center — (BBDC) As the crankshaft rotates, it brings the piston down to a place just before it reaches bottom dead center …   Dictionary of automotive terms

• bottom dead center — The position of the piston within a cylinder of a reciprocating engine when it has reached its position farthest from the cylinder head …   Aviation dictionary

• dead center — n. 1. the position of maximum (top dead center) or minimum (bottom dead center) extension of a crank and a connecting rod, in which both are in the same straight line 2. a nonrevolving center, as of a lathe spindle 3. the exact center …   English World dictionary

• dead center — The point at which the piston reaches its uppermost or lowermost position in the cylinder the rod crankjournal would be at 11 o clock UDC or 6 o clock LDC. Also see after bottom dead center after top dead center before bottom dead center before… …   Dictionary of automotive terms

• dead center position — The position of the piston in a reciprocating engine in which the wrist pin, the crank pin, and the center of the crankshaft are all in one line. The two dead center positions are top dead center (TDC) and bottom dead center (BDC). At either of… …   Aviation dictionary

• after bottom center/after bottom dead center — The position of a piston in the cylinder of a reciprocating engine after the crankshaft, turning in its normal direction of rotation, has caused the piston to pass the bottom of its stroke and start back up. As soon as after bottom center point… …   Aviation dictionary

• lower dead center — (LDC) See bottom dead center …   Dictionary of automotive terms

• outer dead center — See bottom dead center …   Dictionary of automotive terms

• after bottom dead center — (ABDC) The position of the piston as it starts its way up …   Dictionary of automotive terms

• center — To place something in a central place in relation to other items. Also see after bottom dead center after top dead center before bottom dead center before top dead center before upper dead center bottom dead center dead center diagnostic center …   Dictionary of automotive terms