Hemispherical combustion chamber engine

GPTKB entity

Statements (29)
Predicate Object
gptkbp:instanceOf piston engine
gptkbp:advantage improved airflow
higher manufacturing cost
higher power output
complex valve train
efficient combustion
gptkbp:alsoKnownAs hemi engine
gptkbp:combustionEfficiency high
gptkbp:emissionStandard higher NOx potential
gptkbp:hasCombustionChamberShape hemispherical
https://www.w3.org/2000/01/rdf-schema#label Hemispherical combustion chamber engine
gptkbp:introducedIn early 20th century
gptkbp:notableBrand gptkb:Jaguar
gptkb:Toyota
gptkb:Chrysler
gptkbp:notableModel gptkb:Chrysler_Hemi_V8
Jaguar XK engine
Toyota 2JZ-GE
gptkbp:replacedBy pent-roof combustion chamber in modern engines
gptkbp:sparkPlugLocation center of chamber
gptkbp:usedIn gptkb:aircraft
automobiles
motorcycles
gptkbp:usedInRacing yes
gptkbp:valveArrangement crossflow
gptkbp:valveCountPerCylinder usually 2
sometimes 4
gptkbp:bfsParent gptkb:Hemi
gptkbp:bfsLayer 7