Wankel Engine (13A)

 The wankel engine is a type of ICE developed by Felix Wankel in 1929.It used rotors instead of traditional piston and connecting rod configuration.The rotor developed the pressure through combustion to rotate the Eccentric shaft of the engine.

Some advantages were:

1.Small size

2.Higher output power as compared to a similar reciprocating engine.

3.Fewer moving parts 

4.Fewer engine seize due to good thermal expansion from the aluminium housing of the engine at higher loads.

5.Due to turbulence of the rotor there were few hotspots forming inside the housing thus reducing engine knocking.

Disadvantages:

1.Regular breakdown of apex seals due to constant contact as well as weak material resulted in higher repair costs.

2.Rich air fuel ratio(Although rich air fuel ratio is preferred in performance engine it is also expected to develop higher air fuel ratio for a lean mixture and releasing less harmful gases , but the inability of the wankel engine to develop higher air fuel ratio also resulted in Bad emissions)

3. Poor fuel economy.

All said i have made a complete model of this engine using solidworks and fusion 360.

Specs

Rotor Dia         : 120mm

Offset distance: 17.5mm

Thickness         : 80mm

with each chamber displacing 655cc or 1310 cc total displacement.







Full Model



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