downward stroke

  • 11down|stroke — «DOWN STROHK», noun. 1. a downward stroke of a pen, pencil, etc. 2. a stroke delivered downward: »the downstroke of a piston …

    Useful english dictionary

  • 12chop stroke — /ˈtʃɒp stroʊk/ (say chop strohk) noun Cricket, Tennis, etc. a downward stroke made with the racquet or bat at an angle …

  • 13Butterfly stroke — Overhead shot of a swimmer performing the butterfly stroke. The butterfly (colloquially among swimmers known as fly) is a swimming stroke swum on the breast, with both arms moving simultaneously. The butterfly kick was developed separately, and… …

    Wikipedia

  • 142-stroke power valve system — The 2 stroke power valve system is an improvement to a conventional two stroke engine that gives a high power output over a wider RPM range. Operation of a two stroke engine A stroke is the action of a piston travelling the full length of its… …

    Wikipedia

  • 15Two stroke diesel — A two stroke diesel is a diesel engine that works in two strokes. A diesel engine is an internal combustion engine which operates using the Diesel cycle. Invented in 1892 by German engineer Rudolf Diesel, it was based on the hot bulb engine… …

    Wikipedia

  • 16Two-stroke engine — Brons two stroke V8 Diesel engine driving a Heemaf generator. A two stroke engine is an internal combustion engine that completes the process cycle in one revolution of the crankshaft (an up stroke and a down stroke of the piston, compared to… …

    Wikipedia

  • 17expansion stroke — The stroke in the operating cycle of a reciprocating engine in which both the inlet and exhaust valves are closed, the fuel air mixture has been ignited and burned, and the piston is being forced downward by expanding gases. This is the only… …

    Aviation dictionary

  • 18four-stroke cycle — The sequence of operations by which a reciprocating engine converts heat energy into mechanical energy. During the induction strokes, the fuel air mixture is inducted into the engine. During the compression stroke, the mixture is compressed. The… …

    Aviation dictionary

  • 19two stroke — A reciprocating engine cycle in which the piston takes over some of the valve functions in order to obtain a power stroke each revolution of the crankshaft. This involves the use of ports in the cylinders which are covered and uncovered by the… …

    Dictionary of automotive terms

  • 20power stroke — The stroke in the operating cycle of a reciprocating engine in which both the inlet and the exhaust valves are closed, the fuel air mixture has been ignited and burned, and the piston is being forced downward by expanding gases. See four stroke… …

    Aviation dictionary