- the most reliable RC Calculator on the Web

 news - April 17th

4/18 - 4/5/15 - out of office: we answer your questions again after 4th of May - thanks for your patience...

4/17/15 - Motor Database updated...

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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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.

Missing your Language?
We are looking for experienced RC Pilots willing to translate eCalc from english or german to any other language. Please contact us info[at]ecalc.ch.

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The private use is granted without restrictions. The copyright applies.

The commercial use without any contract with Solution for All Markus Mueller is expressly prohibited. For the contracted  commercial users the Terms & Conditions applies. 

Interested in a commercial use? Please contact us by email: info[at]ecalc.ch.

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