poppet pin
21Naturally aspirated engine — A naturally aspirated engine is one common type of reciprocating piston internal combustion engine that depends solely on atmospheric pressure to counter the partial vacuum in the induction tract to draw in combustion air. This is in contrast to… …
22VTEC — is also an abbreviation for the verocytotoxin producing Escherichia coli strain O157:H7 .: For the education institution, see Virginia Tech. VTEC (Variable Valve Timing and Lift Electronic Control) is a valvetrain system developed by Honda to… …
23Crankpin —   Crankpins highlighted in blue …
24Steam locomotive — A steam locomotive is a locomotive powered by steam. The term usually refers to its use on railways, but can also refer to a road locomotive such as a traction engine or steamroller.Steam locomotives dominated rail traction from the mid 19th… …
25Compression ratio — For compression ratio in data compression, see data compression ratio. The compression ratio of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its… …
26Rolls-Royce Merlin — Merlin The Rolls Royce Merlin …
27Pentagram — For other uses, see Pentagram (disambiguation). Regular pentagram A pentagram Type Star polygon Edges and vertices 5 Schläfli symbol {5/2} …
28Engine displacement — One complete cycle of a four cylinder, four stroke engine. The volume displaced is marked in orange. Engine displacement is the volume swept by all the pistons inside the cylinders of an internal combustion engine in a single movement from top… …
29Intercooler — For the Australian rock group, see Intercooler (band). An intercooler (original UK term, sometimes aftercooler in US practice), or charge air cooler, is an air to air or air to liquid heat exchange device used on turbocharged and supercharged… …
30List of characters in the Oz books — This is a list of characters in the Oz books of L. Frank Baum, Ruth Plumly Thompson, John R. Neill, Jack Snow, Rachel Cosgrove Payes, Eloise Jarvis McGraw and Lauren McGraw, Dick Martin, and Eric ShanowerA* A B Sea Serpent * Aa, the Salt Sorcerer …
