01 / ROTARY COMBUSTION
The Wankel engine.
An epitrochoid housing, a rotor cut to its inner envelope, and an eccentric shaft
turning three times for every turn of the rotor.
SINGLE ROTOR · R/e = 7 · 13B PROPORTIONS
CUTAWAY / FRONT HOUSING REMOVEDDRAG TO ORBIT · SCROLL TO ZOOM
FIG 01 — ROTARY ASSEMBLY
INTAKE
EXHAUST
LEADING PLUG
TRAILING PLUG
FRONT HOUSING
INTERMEDIATE HOUSING
REAR HOUSING
ROTOR 1/3 SHAFT SPEED · 36:24 PHASING GEARS
01 — HOUSING
∞Two-lobe epitrochoid, R = 105, e = 15 mm
02 — ROTOR
△Inner envelope flanks · 12.7:1 theoretical CR
03 — POWER
↻One power pulse per shaft turn