Two-blade folding propeller for 5–40 hp
Choice of 20 different blade kits and 6 different hub kits. Blade area: 25% (2 x 12.5).
Three-blade folding propeller for 25–60 hp
Choice of 28 different blade kits and 6 different hub kits. Blade area: 37% (3 x 12.3).
Four-blade folding propeller for 55–120 hp
Choice of 10 different blade kits and 7 different hub kits. Blade area: 45% (3 x 11.25).
This graph shows how rapidly the propeller drag increases with higher speed. At 8 knots, for example, a 3-blade fixed propeller produces more than six times the drag of a 3-blade folding propeller.
2-blade folding B.
2-blade fixed C.
3-blade folding D.
3-blade fixed E.