reliable electric drive simulations
Limited time offer - Hurry up!
Still guessing...? get the right drive - no
more mispurchase and safes your money
«The cost for eCalc is even lower then a mispurchase of a
propeller only, let alone from a wrong motor, esc or battery...»
more than 186'671'962 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:
Extend or renew existing Membership:
- fast, reliable, affordable and
- no more guess work and mispurchase -
advanced simulation will avoid any mismatch of your next RC
- eCalc is the one and only calculator considering
dynamic effect on a propeller with airfoil shapped
- access to the full and most
comprehensive component database with currently
- 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
Get a special discount
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
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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eCalc is a Web Application and runs on computers, tablets and
smartphones with a state-of-the-art web browser (Microsoft Edge, FireFox, Chrome, Safari and Opera) indepentent of the operating
system (Win, iOS, Anreoid, Unix,...).
We refund your membership only in exeptional cases when requested
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your username. If refund applies we refund your membership fee less
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