$('#example1').propeller({inertia: 1, speed: 1});

$('#example2').propeller({inertia: 0.98, speed: 0, onStop: function(){alert('Stopped')}});

$('#example3').propeller({inertia: 0, speed: 0});

$('#example4').propeller({inertia: 1, speed: 0, step: 30});

$('#example5').propeller({inertia: 0.99, speed: 0, step: 10});

$('#example6').propeller({inertia: 0, speed: 0, step: 45});

$('#example7').propeller({inertia: 1, speed: 0, step: 30, stepTransitionTime: 500});

$('#example8').propeller({inertia: 0.99, speed: 0, step: 10, stepTransitionTime: 100});

$('#example9').propeller({inertia: 0, speed: 0, step: 45, stepTransitionTime: 300,
onRotate: function(){ console.log(this.angle); }});