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recip. engines
Question | Answer |
---|---|
The part of the crankshaft on which the connecting rods ride | crankpin |
Tubes or thin sheet metal chambers installed in the throws of an aircraft engine crankshaft. | sludge chambers |
The part of the crankshaft that connects the crankpin to the main crankshaft journal. | crank cheeks |
The machined surfaces on the crankcase of an aircraft engine on which the cylinders are mounted | cylinder pad |
Used to secure an accessory, cylinder, etc | mounting lugs |
The condition that exists in a rotating body in which all of the rotating forces are balanced within themselves and no vibration is produced by the body in motion. | dynamic balance |
Generally used for the crankshaft, cam ring, camshaft, connecting rods, and the accessory drive shaft bearings.Subject to radial loads only. | plain bearings |
The hardened steel surface upon which anti-friction bearings rids. | bearing race |
The component in an internal combustion engine that connects the piston to the crankshaft. | connecting rod |
Areas between the ring grooves that support the rings as the piston moves. | ring land |
A clearance between the ring ends, measured to insure they do not touch. | piston ring gap |
Leakage of the air – fuel mixture or of combustion gases between a piston and the cylinder wall into the crankcase. | blow by |
Is free to rotate in both the piston and in the connecting rod piston-pin bearing. | full floating piston pin |
The diameter of the cylinder barrel. | cylinder bore |
A cylinder where the walls are to produce a smaller internal diameter at the top than at the bottom | choke bore |
An extremely hard, wear-resistant metal used for valve faces and stem tips | stellite |
A cap mounted on the exhaust valve tip to ease valve rotation during engine operation | rotator cap |
Keys that form a lock ring to hold the valve spring keepers or retaining washers in place | split key |