- the most reliable RC Calculator on the Web

Next Update includes

(next update planed for tbd, 2022)

  • propCalc, xcopterCalc: Propeller Constant Pconst calculation for generic props.

Release Notes

Date   Version   Description
04.11.21   2.00   cgCalc 2.0: all new center of gravitiy calculation for Bi-Plane
18.10.21   1.40  

chargeIndex 1.40: - Drive Drain Efficiency added - "How many km/mi you can drive on 1kWh of Battery Capacitiy"

05.09.21   1.01   perfCalc: Version 1.11 - Gauge Scale of Vertical Speed corrected
31.8.21   1.19  
  • cgCalc: Usage of T-Tail clarified
11.07.21   1.01   perfCalc: Version 1.1 - multimotor capable now
10.07.21   --   cgCalc: 1 Mio calculations
05.08.21   --  

SiteLok 6.2 installed

11.07.21   1.01   perfCalc: Version 1.01 - english unit translation corrected, Bug fix for AC Class evaluation
12.05.21   1.00  

w&bCalc 1.0: all new Weight and Balance Calculation to evaluate actual CG and CG correction

12.04.21   7.25  
  • propCalc, fanCalc: ESC timing can be changed, Drag based on Wingspan as reference area
  • perfCalc: Version 1.0 - indroduction of the inflight performance analysis tool
03.04.21 1.18
  • cgCalc: Bug fix regarding negative sweep
25.03.21   1.17  
  • cgCalc: Error message if input field empty
28.02.21   7.21  

eCalc: Blocking of Safari Browser at login solved

14.01.21   --  

SiteLok 6.0 installed

10.12.20   1.16  
  • cgCalc: autosave of the form fields added
26.11.20   --  

more than 10 million visits since february 2010!
We are proud to welcome the 9th-millionst visit since counting back in february 2010. Our community is constantly crowing....
Thanks to all for supporting eCalc.

23.11.20   1.30  
  • chargeIndex: new detail view and core efficiency
18.11.18   1.15  
  • cgCalc: Analytics event for data evaluation inserted

25.09.20   -   150 millions drive calculations
27.08.20   5.21  
  • evCalc: address entry modified.
24.08.20   1.00  
  • chargeIndex: first release
29.06.20   2.04  
  • chargeCalc: recharged kwh/km inserted to graph
24.06.20   5.20  
  • evCalc: actual wind and temperature information will be considered along your route, elevation evaluation problem for long leg corrected
23.05.20   5.11  
  • evCalc: accounting for high tailwind improved, image source for EV overwiev inserted 
13.05.20   7.20  
  • new Quick Gauge Plug-in - works in China too
  • xcopterCalc: Range estimate in the result column
  • heliCalc: Motot@Maximum calculation for  constant headspeed (iso max. headspeed)
13.05.20   5.10  
  • new Quick Gauge Plug-in - works in China too
  • evCalc: Using routing machine of MapBox, GrasHoppers and TomTom, charge time updated in the graph considering lower chargerrates in low/high SoC range
13.05.20   2.03  
  • chargeCalc: Service Update
06.05.20   --   
  • all products updated to new Google API - Google resource is quite instable on Chrome and Safari
25.02.20   2.02   
  • chargeCalc 2.02: improved charging model
23.02.20   2.01   
  • chargeCalc 2.01: updated with "efficient charge range" indication.
21.01.20   ---   more than 9 million visits since february 2010!
We are proud to welcome the 9th-millionst visit since counting back in february 2010. Our community is constantly crowing....
Thanks to all for supporting eCalc.
16.01.20   5.01  
  • evCalc: Adress search simplyfied & improved for "Location or next Waypoint".
14.12.19   5.00  
  • evCalc: Calculation on map based speed sheddule along the route plotting a graph with consumption, state-of-charge and detailed recharge information. Simulation of a car towing a trailer. Routing marker improved for better recognition of start (triangle) and finish (flag) marker.
14.12.19   7.17  
  • eCalc: Service Update
06.11.19   --  
  • eCalc: 100 mio electric drives calculatet so far - thanks for this incredibale meilestone!
30.10.19   --  
  • evCalc: 6 mio EV trip calculations
23.09.19   2.01   
  • chargeCalc 2.00: Taking battery degradation (SoH) into account, Range vs. Time Graph
20.09.19   4.56
1.11
 
  • evCalc: integration of chargeCalc - Link to chargeCalc presets the settings
  •  chargeCalc: integration of evCalc - Link to evCalc presets the settings
14.09.19   1.00   
  • chargeCalc 1.1: Graph for Range vs Time at Charging added
10.09.19   1.00   
  • chargeCalc 1.0: Final Release - new service for calculating specific charge sessions
21.08.19   4.55  
  • evCalc: Bug fix for sorting the benchtest according Charge Time and Travel Time, Database Structure change
21.08.19   ---  
  • Update Membership System V5.7
06.08.19   ---  
  • evCalc: 5 Mio Trip Calculations
  • eCalc: we inserted the 10'000th motor to the most comprehensive database on the web
10.07.19   4.54  
  • evCalc: Advanced Settings: select benchtesting for current available cars only or for all cars in the database, correct handling of recharging with high SoC at Desitnation, bug-fix for Address-Serach on Android showing next insted of go
09.06.19   4.53  
  • evCalc: Charger Data Quality improved (null vlaue replaced by plan text and estimates)
24.05.19   4.52  
  • evCalc: full map functionality is back: Topography and route insertion of charger
20.05.19   4.50  
  • evCalc: change to Open Street Map
29.03.19   4.02  
  • evCalc: automatic map centering if car symbole leaves the boundary of the visible map.
    (static = no map movement / center = automatic centering)
25.03.19   4.00  
  • evCalc: completly redesigned and new features...
    Navigate through a specific Charg Staion, Charge Point Information updated, at origine and destination also chargepoints (also below defined charge power limit) will be shown within defined radius.
25.03.19   7.16  
  • eCalc Service Update (Cursor Wait during Calculation, printing optimized)
23.03.19   ---   more than 8 million visits since february 2010!
We are proud to welcome the 8th-millionst visit since counting back in february 2010. Our community is constantly crowing....
Thanks to all for supporting eCalc.
16.03.19   --  
  • evCalc: evCalc allready calculated 1 Million Trips for electric Vehicles for range simulation
23.02.19   3.11  
  • evCalc: Charge Point details with numbers of stalls and plugs, color coded charge points
10.02.19   3.10  
  • evCalc: Electric Car Overview for selection
31.12.18   3.02  
  • evCalc: Indication of region where a recharging is expected according charging strategy, Result Table with reduced Column on small devices for better overview.
24.12.18   3.00  
  • evCalc: Indication of Charging Points along your Route
03.12.18   7.15  
  • eCalc Service Update V7.15
  • propCalc: considering zero thrust speed is byond pitch speed due prop airfoil
  • setupFinder: share function added
  • xcopterCalc: max. speed calculation and range model improved, accessory allows negative amp draw to simulate solar panels for prolonge flight
03.12.18   2.20  
  • evCalc: Indication of the Econ Speed - best energy-speed-ratio, TCO and CO2 Analysis Sheet
06.11.18   2.11  
  • evCalc: User Statement inserted
04.11.18   ---  
  • Update Membership System V5.6
31.10.18   2.10  
  • evCalc: Route Designer integrated, Service Update (additional BMS Value «on - very hight» for cold soaked batteries)
23.06.18   2.03  
  • evCalc: Service Update (Titel inclueds car name)
14.08.18   1.12  
  • cgCalc Version 1.12 released (returning Error for Delta and Canard corrected) - to cgCalc

23.06.18   2.02  
  • evCalc: Bug fix for Roll-Resistance scale
20.06.18   7.111  
  • Bug fix for Chrome Ads blocker does not allow dialog box anymore.
04.06.18   2.00  
  • evCalc: now with cross-brand benchmarking
03.06.18   7.11b  
  • xcopterCalc: no more calculation resriction for Race Copter with a propeller diameter of 6.5" or less. However, accuracy byond a Diameter-Pitch-Ratio of more than 0.667 decreases.
27.05.18   ---   more than 7 million visits since february 2010!
We are proud to welcome the 7th-millionst visit since counting back in february 2010. Our community is constantly crowing....
Thanks to all for supporting eCalc.
06.06.17   ---   more than 6 million visits since february 2010!
We are proud to welcome the 6th-millionst visit since counting back in february 2010. Our community is constantly crowing....
Thanks to all for supporting eCalc.
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.
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.
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.
   
   
  Mile Stones of eCalc development:
05.2021   -   200 millions drive calculations
04.2021   -   Introduction of perfCalc - Simulation of inflight perormance for fixed wing aircraft
09.2020   -   150 millions drive calculations
09.2019 - Introduction of chargeCalc - Charge Stop Simulation for (real) electric Cars
08.2019 - Motor Database contains 10'000+ motors
11.2018 - Motor Database contains 9000+ motors
04.2018 - Introduction of evCalc - Range Simulation for (real) electric Cars
10.2017 7.1 Introduction of setupFinder - easy find RC Airplane Drives
Introduction of torqueCalc
- for industrial applications
10.2016 - Introduction of cgCalc - to verify Center of Gravity
10.2016 - Introduction of wingDesigner and xcopterDesigner
04.2011 4.2 Introduction of xcopterCalc - for RC muticopter
03.2010 4.0 Introduction of heliCalc - for RC helicopter
09.2004 1.0 Introduction of propCalc and fanCalc - for RC electric ducted fan jets
06.2004 0.1 First Prototype propCalc - for RC fixed wing propeller airpane