RC boat props (experimental)

The overall dimension is 40mm, supporting 4mm shaft.

upgradeparts-prop-40mm4mm

This is a variation of the 40mm prop:

upgradeparts-prop-40mm4mm-v2

Another 40mm variation (larger blade):

upgradeparts-prop-40mm4mm-v3

Yet another 40mm variation (larger blade and deeper angle):

upgradeparts-prop-40mm4mm-v4

This one is 30mm supporting 2.5mm shaft:

upgradeparts-prop-30mm25mm