Frequently Asked Questions
Which is better, the 40mm 4-blade 2S Whoop Propellers (1.5mm Shaft Hole) or the Sub250 HQ 40mm Bi-Blade Micro/Whoop Prop?+−
Both are capable propellers options. The best choice depends on your specific build requirements. Review the spec differences above to find which suits your needs — consider weight, power output, mounting compatibility, and price.
What is the difference between the 40mm 4-blade 2S Whoop Propellers (1.5mm Shaft Hole) and Sub250 HQ 40mm Bi-Blade Micro/Whoop Prop?+−
The 40mm 4-blade 2S Whoop Propellers (1.5mm Shaft Hole) is made by BetaFPV and the Sub250 HQ 40mm Bi-Blade Micro/Whoop Prop is made by RDQ. There are 2 spec differences between them — see the full comparison table above for details.
Are the 40mm 4-blade 2S Whoop Propellers (1.5mm Shaft Hole) and Sub250 HQ 40mm Bi-Blade Micro/Whoop Prop compatible with the same drone builds?+−
Both the 40mm 4-blade 2S Whoop Propellers (1.5mm Shaft Hole) and Sub250 HQ 40mm Bi-Blade Micro/Whoop Prop are in the Propellers category and are broadly compatible with similar drone builds. Always verify mounting patterns, voltage requirements, and firmware support for your specific frame and flight controller.