WebOcalc + Search - Metric Units Last updated: May 15, 2024 Altitude (ASL) & Temp. m     C     Set Air Density:  kg/m3 Airframe Details All Up Weight (gm) Number Of Wings Monoplane Biplane Triplane Wingspan (mm) Total Wing Area (dm2) Number of Propellers One Two Three Four Maximum Prop. Size (inches) 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 Run Prop Size Wizard Performance Details Flight Mission - Please select one - Gentle scale flight Slow sport aerobatics Fast sport aerobatics Slow unlimited aerobatics Medium unlimited aerobatics Fast unlimited aerobatics Advanced Pattern Slow 3D Fast 3D Mild racing Fast racing Desired Top Speed (km/hr) Suggest Top Speed Desired Minimum Thrust (gm) Suggest Min. Thrust Desired Flight Duration (minutes) Get More Information Powertrain Details Motor Efficiency (%) Micro brushless (50%) Dirt-cheap outrunner (60%) Cheap outrunner (70%) Average outrunner (75%) Good outrunner (80%) Exceptional outrunner (85%) Cheap inrunner (75%) Average inrunner (80%) Good inrunner (85%) Premium inrunner (90%) Battery chemistry & cell count Lipo A123 1 S 2 S 3 S 4 S 5 S 6 S 7 S 8 S 9 S 10 S 11 S 12 S 13 S 14 S 15 S Run Battery Wizard Battery Voltage (V) Current Per Motor (A) Motor Kv (rpm/volt) Run Kv Wizard    About WebOcalc + Search