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Eolo Foldable Carbon Fiber Reinforced Nylon UAV Propellers 26x8 inch - A Pair

Product Description

Maximum quantity available reached.

OVERVIEW

Listed price is for a package of a pair normal rotation and reverse rotation propellers, and alloy adapter.

Impressive

I was well impressed by this foldable 26" CF prop. It is actually 26.5". On my test stand I tested it against a fixed blade 24" CF and a fixed blade 28" CF. Given that it was foldable and 0.5" larger I was expecting fixed blade 26" gr/W performance at 2kg thrust. However, it surprisingly measured at fixed blade 27" performance, which just shows foldables don't need to be less efficient than fixed blades of the same size and can be more efficient.

The mounting did not work for motors of its size, and is M4. My 6012 and 6007 pancake motors are both M3. I had to drill an M6 hole at the top center of the rail to make it work with an adapter.

Also it would be nice if SunnySky would offer a foldable 26x10 or x12 as the 8" pitch is too low for VTOLs. Even in quadcopter mode, higher pitch is as efficient as lower pitch if the rotor is not overloaded - i.e. below 4000 RPM, and results in significantly lower RPM.