These are fiberglass filled plastic propellers. Adding fiberglass makes them more ridged/stronger then a propeller made from plastic only. These are a low cost alternative to metal boat propellers. These don't need to be balanced or sharpened. We recommend these for 10K-25K RPM Range.
Offered in 4 Sizes, all for 3/16" shafts.
38mm Diameter, Pitch 1.4x38=53.3mm or 2.09" 40mm Diameter, Pitch 1.4x40=56.0mm or 2.20" 45mm Diameter, Pitch 1.4x45=63.0mm or 2.48"47mm Diameter, Pitch 1.4x47=65.8mm or 2.59"
