Оценка эффективности 110х моторов
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Tiny Whoop efficiency or why cannot we fly long
Overall efficiency and flight time of tiny whoop quad-copters is discussed. Measurements and calculations are performed to get estimation of the motor and propeller efficiencies
Эффективность Tiny Whoop или почему мы не можем летать долго
Измерения и вычисления эффективности моторов, пропеллеров, тяги и времени полета для tiny whoop.
sub 3g 3d-printed tiny whoop frame
Attempt to 3d print custom tiny whoop frame with weight less than 3g. The trick is to make the frame thin and flexible (elastic).
Is RFM98W LoRa a Fake?
RFM22B vs RFM98W. FSK vs LoRa. Tests show no difference. Is RFM98W a fake?
LoRa and others
How range of RF communication can be extended with modulation techniques
RC Finder Beacon: Digital vs Analog
RC finder (beacon). Range test of digital and analog modes
©2017
The Great Copter’s Theorem usage examples
Examples of back-of-the-envelope calculations for heli, quadcopters, hoverbikes: electric, gasoline and man-powered
The Great Copter’s Theorem
Math shows that maximal hovering time can be easily estimated regardless of type of the copter, battery or fuel.
©2014
