This blade is designed for use with this shaft adapter: https://hobbyking.com/en_us/4mm-shaft-adaptor-for-high-performance-70mm-alloy-dps-fan.html. With a turnigy
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2800kv motor (https://hobbyking.com/en_us/turnigy-l2855-2800-edf-outrunner-730w.html?wrh_pdp=3) and a 4s battery, it draws about 35A and produces around 1000g of thrust depending on the duct used.
