1750KV Vs 2000KV Motor for 6S FPV Compare 1750KV vs 2000KV motors for 6S FPV drones. Learn how KV affects theoretical RPM, propeller loading, thrust, current, heat, and flight time. Explore a published 1750KV bench example, a fair A/B testing method, and practical selection tips for 5-inch freestyle, racing, and OEM/ODM builds.