Hummel 28 HP 2 Cylinder VW Engine

88mm Bore X 69mm Stroke
840cc Displacement
85 lbs Weight
54 x 18 to 54 x 20 Prop
Aluminum NiCom Cylinders optional


Hummel 32 HP 2 Cylinder VW Engine

92mm Bore X 69mm Stroke
917cc Displacement
85 lbs Weight
54 x 20 to 54 x 22 Prop
Aluminum NiCom Cylinders optional


Hummel 37 HP 2 Cylinder VW Engine

92mm Bore X 78mm Stroke
1037cc Displacement
85 lbs Weight
54 x 22 to 54 x 24 Prop
Aluminum NiCom Cylinders optional


Hummel 45 HP 2 Cylinder VW Engine

94mm Bore X 86mm Stroke
1200cc Displacement
81 lbs Weight
54 x 26 to 60 x 20 Prop
Aluminum NiCom Cylinders standard