This is One Master Airscrew 19x8 Hardwood Maple Model Airplane Propeller|
from the Scimitar Wood Series by Windsor Propeller Company.
Large glow propeller.
High performance Scimitar-shape with swept-back, narrow tips and
undercambered blades (similar looking to a "Scimitar Sword" in the
fact that they are curved on one side and flat on the other).
The Scimitar shape generates greater thrust at lower RPM--resulting
in less noise.
Made of hardwood maple and accurately balanced.
Single center bore.
Recommended use so that the best performance can be attained:
2-Stroke Engine Size: N/A
4-Stroke Engine Size: N/A
Available in sizes 12" through 22".
One Scimitar Wood Series Propeller
Bore Diameter: 1/4"
Prop Diameter: 19" (47cm)
Prop Pitch: 8" (20cm)
Depending on the engine crankshaft size, the propeller may need to
be reamed to a larger size using GPMQ5005 (SAE) or