- the most reliable RC Calculator on the Web

 news - March 23

3/23/15 - Motor Database updated - new with MotrolFly & Warhead...

3/22/15 - every copter pilot should know the phenomenon of Vortex Ring State - read more on eCalc, it might save your copter on the next flight...!

2/25/15 - New release V6.53 available with variouse new features:

  • new language dutch
  • Battery Energy
  • Engine Failure Prediction for Multicopter
  • Thrust @ Flight Speed, rough estimates for level and vertical speed and max. climb rate for fixed wing airplane
  • speed prediction for undue prop stall
  • new mixed flight time for fixed wing airplane based on Thrust-Weight-Ratio (not anymore on half max. current)

...for details visit the Release Section or the Help Section of the respective calculator. Enjoy...

having problems? please make sure your browser does a full page reload! (see the first procedure here...)

We apprecite your scan's of any article about eCalc you read in your prefered RC Magazine - info[at]ecalc.ch

We will redesign our homepage to responsive technologie - this will provide a better user experience on small devices. Check-out our screen prototyp 1.1 with responsive design - we realy appreciate your feedback on the look and feel on different devices...  info[at]ecalc.ch

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The restricted Demoversion with reduced functionality and 25% random database is for free. Sign-up now and become an eCalc Member today with instant access to the full funcionality and over 4800 predefined components.

about eCalc

eCalc provides since 2004 web-based quality services to calculate, evaluate and design electric motor driven systems for RC (remote controled) models.

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Is my Motor available?
Wondering your motor is in the Database? ...check the full motor list.

Did you find a bug or data error?
please report to info[at]ecalc.ch with detailed discription and screen shot - Thank you.

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