- the most reliable RC Calculator on the Web

Next Update includes

(update not planed yet)

  • Service Update

Release Notes

Date   Version   Description
09.05.17    7.00  
  • SSL / https: usage of Secured Server Certificate - please change your bookmark to https://... to use secured connection.
  • Service Update (share initiates a reload of the page, export thrust@speed, motor search works now with MS Edge too)
  • new: Swedish translation available
  • eCalc - easy: Prop-KV-Wizard available, transfering settings from/to expert view
  • xcopterCalc - easy: Final Release
20.02.17    ---  
  • eCalc uses now encrypted HTTPS only. The main motivation for HTTPS is authentication of eCalc's website and protection of the privacy and integrity of the exchanged data.
16.01.17    ---  
  • Update Membership System V5.1/2.0
09.01.17    6.72  
  • Service Update
  • automatic detection of language according system settings if parameter "lang" is not set.
  • Output of Wattmeter and Logger readings
  • Thermal model refined for improved temperature prediction of large motors
  • link to Toolbox inserted
  • propCalc: Estimated speed in level flight added to the Motor Partial Load table
  • propCalc - easy: Final Release V1.00. Complete removal of Gauges if google widgets not available (e.g. in china)
  • xcopterCalc - easy: Beta Version of a basic calculator. The easy view calculates a subset of the known (expert) eCalc and is more convenient to use on devices with small displays like smartphones
  • eCalc - easy: in-App capability added (for commercial users)
08.12.16    ---  

cgCalc Version 1.03 released (german translation) - to cgCalc

04.12.16    6.712  

xcopterCalc & heliCalc Hot Fix - underpowered copter did not show a result - problem solved.

27.11.16    ---  

cgCalc Version 1.02 released (Canard calculation problem with large canard solved) - to cgCalc

18.11.16    ---  

cgCalc Version 1.0 released - to cgCalc

01.10.16    ---  

wingDesigner4 Version 1.0 released - to wingDesigner4

24.09.16    ---  

wingDesigner Version 1.0 released - to wingDesigner

18.09.16    6.711  
  • xcopterCalc: Hot Fix - White labeling for partners (Range Esimator) corrected
15.09.16    6.71  
  • Service Update with korean language
  • Usabiity: Remarks will be color coded - critical = red / informational = blue
  • xcopterCalc: Range Estimator, Copter Visualization (Wizard & Gauge Bar), calculation of Total Disc Area
  • propCalc: New remark for hard hand launching and unable to maintain vertical climb speed
  • propCalc - easy: Beta Version of a basic calculator. The easy view calculates a subset of the known (expert) eCalc and is more convenient to use on devices with small displays like smartphones phones.
30.06.16   ---   more than 5 million visits since february 2010!
We are proud to welcome the 5th-millionst visit since counting back in february 2010. Our community is constantly crowing....
Thanks to all for supporting eCalc.
30.05.16    ---  
  • Update Membership System V4.6/2.0
15.04.16    ---  
  • Server migration for future requirements
07.04.16    6.70  
  • Service Update (cursor wait, unified source code language)
  • All Calculators: improved search, max. discharge range now 10%...100%
  • xcopterCalc: Prop Dimensions as well in mm, new Power-Weight-Ratio [W/kg, W/lbs] for maximum and hover, max Speed now based on max AUW rpm, improved rotor failure prediction for coax configuration.
  • propCalc: Prop Dimensions as well in mm
11.03.16    6.631  
  • Service Update
  • xcopterCalc: refined calculation modell for coaxial multicopter improves hover and flight time values
29.12.15    6.63  
  • Service Update (usability improved:automatic Project Name selection, Component Selection in Demo will be transfered when logging in)
  • All Calculators: the capacity discharge percentage for flight time calculations is not anymore fix 85%. It may be selected between 70%...100%. All flight times are now based on "used capacity" (=Discharged % of total capacity)
  • propCalc: new Prop-Kv-Wizard helps to find a resonable Prop Pitch / Motor KV combination even faster,
    Search a specific motor directly from the Prop-KV-Wizard
  • xcopterCalc: definition for accessories (e.g. camera) regarding weight and current consumption if supplied by flight battery,
    Prop-KV-Wizard calculates additionaly required power and ESC size,
    Search a specific motor directly from the Prop-KV-Wizard
  • propCalc, fanCalc: Considering wiring extension
  • heliCalc: Mixed Flight Time is based on geometric mean value (not anymor on arithmetic mean value)
05.11.15   6.622  
  • Service release
  • All Calculators: The Demo Version will show up with all components, but ~75% will be disabled. Nevertheless to new user it's even more convenient to check the required component is already in the database.
26.09.15   6.621  
  • Bug Fix for users with restricted access to Google. The new Quick Check Gauges uses Google Widgets. As some countries (e.g. china) do restrict the access to Google the Quick Check Gauges are not available within those countries - sorry.
  • Bug Fix for motors fitted with a gear box x.xx:1 (were shown as 0.xx:1 instead of x.xx:1)
25.09.15   6.62  
  • Service Update
  • Introduction of Quick Check Gauges for a quick overview
  • share finction (in stad of generateLink)
  • propCalc: Motor Partial Load Table formating (grey below stall, bold at max. efficiency)
  • xcopterCalc: introduction of Thrust-Weigh-Ratio
29.08.15   6.61  
  • Service Update, new with italian translation
  • Define a Project Name
  • Calculation export to CSV-File (readable with Excel or other spreadsheed software)
  • xcopterCalc: the warning regarding the "propeller blade stall" depends now also on the disc load. The warnung apears for a pitch to diameter ratio between 0.667 for medium to heavy copters and ~0.9 for very light weight race copters, definition of the tilt limitation of the FCU for better estimate of the max. forward speed in level flight
  • heliCalc: Hover Calculation with a defined constant Headspeed
16.08.15   --.--   more than 4 million visits since february 2010!
We are proud to welcome the four-millionst visit since counting back in february 2010. Our community is constantly crowing....
Thanks to all for supporting eCalc.
06.06.15   6.601   xcopterCalc: Service Update V6.601 to reintroducie the former Throttle calculation now named "Throttle (log)".
22.05.15   6.60  
  • Service Update
  • all Calculators: refined Motormodel for even more accurate efficency.
  • xcopterCalc:
    - Engine Failure Prediction for Coax-Configuration
    - acheavable vertical climb rate
    - refined Throttle Calculation with better accurarcy below 60%
    - hover rpm calculation
    - Propeller - KV - Wizard
  • propCalc: Partial Motor Load Table
25.02.15   6.53  
  • Service Update
  • all Calculators: Calculation of Battery energy, new language: dutch
  • xcopterCalc: Introduction of Coax Calculation final version, Engine Failure Prediction - resistent, controlable, uncontrolable
  • propCalc, fanCalc: Thrust at a specific Flight Speed, estimates for max speed in level flight, for vertical flight and max rate of climb, Speed for undue Prop Stall
    new calculation for mixed flight time - not anymore based on on half max current, it's now based on the Thrust-Weight-Ratio
17.10.14   --.--   more than 3 million visits since february 2010!
We are proud to welcome the three-millionst visit since counting back in february 2010. Our community is constantly crowing....
Thanks to all for supporting eCalc.
08.09.14   6.52   General: beside All-up and basic weight, you can now enter also your empty weight (model less Battery), Better user guidance in case of session expiry, motor characteristic graph rpm draw corrected for multiple engine calculation
xcopterCalc: estimate of max tilt and max forward speed to maintain level flight, improved mixed flight time (geometric iso arithmetic mean value)
propCalc: Verification if Thrust-Weight-Ratio is at least 0.4, else eCalc throws an erroor message,  introduction of Wing Load, Cubic Wing Load, esitmated Stall Speed calculation
fanCalc: Verification if Thrust-Weight-Ratio is at least 0.4, else eCalc throws an erroor message
heliCalc: Verification if Thrust-Weight-Ratio is at least 1.2, else eCalc throws an error message, introduction of specific thrust calculation for the hover case
12.06.14   6.511   xcopterCalc: Service Update (RPM corrected)
propCalc: Service Update  (RPM corrected)
fanCalc: Service Update
heliCalc: improved Calculation of static Thrust, Service Update
27.05.14   6.51   xcopterCalc: no negative payload shown anymore, Throttle Calculation improvement, Specific Thrust calculation for the hover case (g/W)
propCalc: multi-engines on same battery
fanCalc: multi-engines on same battery
heliCalc: Service Update
05.05.14   6.502   Service Update (no major changes)
The legal statement will not be shown anymore after login.
25.02.14   6.50   Motor Search Function
Introduction of Membership Fee
... ...
1.06.2004 0.1 First Prototype
© by Solution for All Markus Müller  -  www.eCalc.ch  -  info[at]eCalc.ch

 
 
 

 

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