This is a 13x4E Electric ONLY Composite Propeller
from Advanced Precision Composites.
FEATURES: Gray composite one-piece construction
Five adapter rings that adapt to different motor shafts
INCLUDES: One composite propeller
Five composite adapter rings for motor shaft diameters of 0.128"
(3.2mm), 0.158" (4mm), 0.197" (5mm), 0.237" (6mm), 0.313" (7.9mm)
REQUIRES: ALL props require balancing, this is VERY important, use TOPQ5700.
May need prop reamer, use GPMQ5006 (SAE) or GPMQ5007 (Metric)
SPECS: Diameter: 13"
Hub inner diameter: 0.25" (6.3mm)
COMMENTS: For use with Electric motors only. Do not use with nitro or gasoline