[font=Trebuchet MS][b][size=150]The second application is [color=#ff7700]Wankel Rotary Engine[/color].[/size][/b][/font]

[font=Trebuchet MS][b][size=150]Above one is the gif image of [color=#ff7700]Wankel Rotary Engine[/color].[br]As you can see, gas comes in and compression follows. Thus, piston is able to get force.[br]After the firing process, exhaustion and emission occurs.[/size][/b][/font]

[font=Trebuchet MS][b][color=#ff7700][size=150]As the description in calculus, is is applied from epitrochoid.[/size][/color][/b][/font]