propCalc
for Airplane

setupFinder
for Airplane
 

perfCalc
Performance
 

cgCalc
Center of Gravity

w&bCalc
Weight & Balance

bladeCalc
beta Version

xcopterCalc
for Multirotor

heliCalc
for Helicopter

fanCalc
for EDF Jets

torqueCalc
for industry

evCalc
electric cars
 
 

chargeCalc
charging EVs
 
 

 

Still guessing...?

Sign-up now and get instant access!

✓ affordable and less than a single wrong prop!
✓ Reliable Predictions since 2004
✓ calculating more than 20'000 setups a day
✓ over 475mio drives calculates so far

available in 19 languages: العربية ,中文, čeština, deutsch, english, español, français, hrvatski, italiano, 日本語, 한국어, Nederlands, فارسی, polski, português, русский, românesc, svenska, türk

System Status:  normal 

 membership

The membership for full functionality is not only affordable but  pays off with a single wrong propeller and safes your money.
The restricted Demoversion with reduced functionality and 20% random database is for free. Sign-up now and become an eCalc Member today with instant access to the full funcionality and over 15'000 predefined components.

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

evCalc − #rEVolution

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Direct Advertising

We support direct advertisement on eCalc to maximize your advertising return with a unique, strong and focused target audience.

toolbox

These tools may further support you by calculating RC- and EV-related tasks:

• Explanatory videos on eCalc YouTube Channel and published articles (see below).
• get the Real World Consumption of a Plug-in Hybrid (PHEV)
• Total Cost of Ownership and CO₂-Analysis of an EV
• cgCalc: Calculate, evaluate or verify the Center of Gravity (CG), Neutral Point (NP) and Aerodynamic Center (AC) of your airplan before maiden. The only CG Calculator for upto 5 wing panels.
• control surface moment: calculate the required torque of your servo.
• decalage: static evaluation with some easy measurments on the table. dynamic decalage correction based on out of neutral trim.
• How to measure the decalage of V-Tails for the above evaluation (Google translated from german)
• TRUE C Rating: calculate the true perfomance of your battery.
• xcopterDesigner: optimise and visualises your copter design.

published articles

• check out our interview by NowYouKnow

sorry these are german only:

• 20 years eCalc - How it started and evolved
• eCalc - Berechnungsprogramm für die Antriebsauslegung  
• Elektrische Modell optimal auslegen I  
• Elektrische Modell optimal auslegen II  
• Auslegung I - Modellart t 
• Auslegung II - Rahmenbedingungen  
• Auslegung III - Berechnunsbeispiel  
• Auslegung IV - Berechnung im Detail 
• Auslegung V - Schwerpunkt ermitteln  
• Auslegung VI - Schwerpunkt mit cgCalc  
• Auslegung VII - Saga von der EWD  
• Auslegung VIII - Edge V3 (Teil 1, Evaluation) 
  
• Auslegung IX - Edge V3 (Teil 2, Auslegung & Bau) 
  
• Auslegung X - Edge V3 (Teil 3, Verifikation und Erstflug) 
• Auslegung XI - setupFinder - Einfach Antriebe finden 
• Auslegung XII - BEC-Backup - Einfach und effektiv 
• Technik I - Brushless Motor  
• Technik II - Motorenkonstanten  
• Technik III - Regler bei Vollast  
• Technik IV - Regler bei Teillast  
• Technik V - Timing  
• Technik VI - Tödliche Kabelverlängerung  
• Technik VII - Batterieübersicht  
• Technik VIII - Lithium-Akku  
• Technik IX - Servo und BEC dimensionieren  
• Technik X - Getriebe- oder Direkt-Antrieb?  
• Technik XI - Luftschrauben, schneller als die Pitch erlaubt  
• Technik XII - Schwerpunkt ausmessen, elegant Blei vermeiden  
• Antriebe - F5J  
• Antriebe - Hotliner  
• Antriebe - Elektro-Jet-Power  

about eCalc - drive calculator

Since 2004 eCalc provides web-based quality services to simulate, calculate, evaluate and design electric brushless motor drives for RC pilots of airplane, multi rotor, UAV, helicopter and EDF jets.
eCalc's motor database is the most comprehensive on the web.

Follow us on Twitter @eCalc_e, Facebook Group eCalc or the eCalc YouTube Channel to get the latest news.

Is my Motor available?
Wondering your motor is in the Database? ...check the full motor list. If you motor is missung just provide us with the specifications...

You are a motor manufacurer?
Please send us your specifications or fill in this form and we will update our database with your motors. Thereafter all visitors may use your motors for calculation. This will increase your visibility on the market considerable.

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.

terms & conditions

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.

copyright & author's right

All source codes, data, texts, pictures and graphs and their arrangements are subject to copyright and are the intellectual property of Solution for All Markus Mueller. They may neither be copied for forwarding nor used in an amended form or on other websites or servers or any kind of electronic device.