This Bolly wooden propeller is an RC-scale 14x8 three-blade unit made for model aircraft where a wooden prop is chosen for its surface finish and trimming options. The three-blade layout changes static thrust and rpm behavior compared with two-blade props, so expect a different response when switching blade counts.
Fitment is generic to RC model aircraft prop hubs that accept three-blade props; confirm your prop adapter, spinner or prop nut configuration before mounting. Use the correct hardware for your hub, tighten progressively and check there is no contact with the spinner or cowling.
Before the first flight carry out static and dynamic balance checks and remove small high spots by careful sanding at the blade tips, then re-check balance. Store wooden props in a dry place to reduce warping risk and inspect routinely for cracks or chips.
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