Manufacturer Description

This is the 45mm Folding Propeller Hub for a 40mm Spinner from
Advanced Precision Composites.
For use on Electric powered aircraft only (not for gas engines).


FEATURES:
Two-piece, gray composite propeller hub that goes on each side of
    the folding propeller blades to hold them in place (blades are not
    included, see REQUIRES).
Hub has molded nut insets for easy tightening.
Comes in a bag attached to a header card


INCLUDES:
One composite propeller hub
Two 3x10mm cap head screws
Two 3mm nuts
Two 3mm washers


REQUIRES:
Propeller blade sets (use APCQ4305 through APCQ4345).
2.5mm hex wrench to tighten cap head screws.
Hand and eye protection when operating propeller.


SPECS:
Overall Length: 58mm
Length between blade mounting centers: 45mm
Inner mounting diameter: 8mm


COMMENTS:
See propeller blades for assembly instructions.
Sailplanes have no landing gear, and therefore would break a rigid
    propeller when the plane came in for a landing. The folding
    propeller folds back upon landing.




BOX DIMENSIONS: 2.25" W. X .38" H. X 5.00" L.
BOX WEIGHT: .03 LBS.