that are Competition Proven
Carbon Fiber Electric
1/2A Pylon Combat
Control Line Racing
FPV Racing / Freestyle
Giant Scale Racing
3D - Reversible ESC
Bundle Packs (2 CW and 2 CCW)
Q40 AMA 422
Slow Flyer Pusher
Speed 400 Electric
Speed 400 Electric Pusher
Thin Electric Pusher
3D Fun Fly
Find a Propeller
Technical Support Advisories
Self-Tightening MR Propellers
15.5x12 4-Blade Safety Issue
Balancing and Installation
Engine Shaft Hole Alignment
Slow Fly and Electric Propeller Holes
Electric Pusher Propellers
Q40 Propeller Availability
Modulus of Elasticity
In Flight Data
3 and 4 Blade
Excel Price List
Excel Prop Data
Find quick answers to your questions below...
How do I find a specific APC propeller?
Does APC only sell propellers?
How do I orient ANY fixed pitch propeller on my motor?
How can I change to color of my APC propellers?
What do the letters and numbers stamped on APC propellers represent?
How do I identify a matched pair of CW and CCW rotating APC propellers?
Can APC recommend a specific propeller for my model and engine combination?
Does APC make multi-rotor propellers with diameters less than 8 inches?
Do APC multi-rotor propellers come individually packaged?
How do I mount my self-tightening multi-rotor propellers?
Can I replace my keyed propellers, ones with flat spots in the hub, with APC propellers?
What propeller combinations should I use for co-axial motor applications?
Thin Electric Propellers
Why was the 21x14E replaced by the 21x13E propeller?
Why is the hub on my older Thin Electric propeller thinner than the one I just bought?
Are older versions of the Thin Electric propellers safe to use?
Does APC make carbon propellers?
Why does APC not make more propeller sizes from carbon material?
Does APC make custom propellers?
Where can I find APC propeller performance data?
What is the basis for the APC propeller performance data?
Are sea level Standard Atmosphere conditions used in performance calculations?