Manufacturer Description

This is the 9x4.7SF-B4 Slow Flyer Quadcopter Propeller Bundle from APC.


FEATURES:
Long fiber composite construction, gray in color


INCLUDES:
Two Standard Rotation 9x4.7SF Propellers
Two Reverse Rotation 9x4.7SF Propellers
Two each; 3/16", 3mm, 5mm and 6mm Adapter Rings from the APC
LPAR18SF or LPARM12SF adapter ring packs


REQUIRES:
ALL props require balancing, this is VERY important, use TOPQ5700.
May need prop reamer, use GPMQ5005 (SAE) or GPMQ5007 (Metric)


SPECS:
Hub Diameter: 0.50" (12.7mm)
Hub Thickness: 0.31" (7.8mm)
Shaft Diameter: 1/4" (6.3mm)
Weight: 0.32oz (9.07g)


COMMENTS:
For use with electric motors only. Do not use with gasoline or glow
    powered engines.




BOX DIMENSIONS: 5.00" W. X .75" H. X 10.50" L.
BOX WEIGHT: .11 LBS.