get your drive right   -   get the right drive   -   no more guess work and mispurchase...

For renewal or extension of your membership follow this link...

✓ «The cost for eCalc is even lower then a mispurchase of a propeller only, let alone from a wrong motor, esc or battery...» more testimonials...

✓  more than 88'911'111 setups calculated and simulated so far.

eCalc - reliable RC Calculators since 2004
Buy a membership now, get instant access to the unrestricted version and enjoy the advantage of a membership:

• fast, reliable, affordable and exceptionally useful
• no more guess work and mispurchase - advanced simulation will avoid any mismatch of your next RC setup.
• eCalc is the one and only calculator considering dynamic effect on a propeller with airfoil shapped blades
• access to the full and most comprehensive component database with currently parts available.
• enjoy the additional functiunality: simulate virtually any drive by entering the specs manually, Wizard for motor/prop selection, search for motors, export your results to any spreadsheet application, save and recall or share setups as bookmarks.
• use the expert view for desktop computers or the easy view on your smartphone.
• visit and sign-up our growing eCalc YouTube Channel for explanatory videos
• Loyality bonus: get an additional discount for renewal of your membership
• no installation required and have always the current version at hand
• eCalc runs on all computer, tablets and smartphones having a state-of-the-art web browser installed, independent of the operating system (iOS, Win, Android, Unix,...)
• free of advertisement

Extend or renew existing Membership:
Get a special discount for renewal. An existing membership can be extended any time by any membership periode of the same membership type as long as the same email address is used for payment.

 
Terms and Conditions:
eCalc is subject to copyright and intellectual property rights.
Your membership is for personal use only. All values are calculated and may deviate from the real. Before flight you have to recheck the actual max. values. They must stay within the manufactuerers limitations.The functionality of eCalc may change without any notice. System outage or unforseen service discountinuation are not refundable. Use of the calculators is on your own risk - We reject any liablity.
Any misuse or extensive use will result in expiration of your membership without refund.
(For usage with commercial intent or commercial use please contact info[at]ecalc for a quote.)

 
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