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xcopterCalc - Calculator for MultiCopter
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Design Fundamentals:  
 # of Rotors
   xCopter Weight:
  g   		  Field Elevation:
m ASL		    Air Temp:
°C		   Pressure (QNH):
hPa
Battery: (continuous / max. C) - charge state
    # serial:
S 		  # parallel:
P 		  Capacity:
mAh		   Resistance:
Ohm		   Volt per Cell:
V		   Weight per Cell:
g
Controller:
 		Resistance:
Ohm 		Continuous Current:
A		 max. Current:
A		 Weight:
g		 Motor Weight:
g
Motor: Manufacturer - Type (Kv in rpm/V)
  		 Kv (w/o torque):
rpm/V 		   Resistance:
Ohm		   no-load Current:
A @ V		   Limit (up to 20s):
   # mag. Poles:
   Case length:
mm
Propeller: Type - yoke twist
 Diameter:
inch 		Pitch:
inch		 # Blades:
 Prop Const.
 Gear Ratio:
:1
Approx. Values:    Warning:  

Battery:    max. Load:
C		    Voltage:
V		    Rated Voltage:
V		 Flight Time*:
min		 Flight Time Hover:
min		 Weight:
g
Motor @ Maximum:
Values per Motor		 max. Current:
A		 Voltage:
V		 Revolutions:
rpm		    el. Power (In):
W		    mech. Power (out):
W		    Efficiency:
%
Optimal Efficiency: Current:
A		 Voltage:
V		 Revolutions:
rpm		 el. Power (In):
W		 mech. Power (out):
W		 Efficiency:
%
Motor @ Hover:
Values per Motor
 Current:
A		 Voltage:
V		 Throttle (linear):
%		    el. Power (In):
W		    mech. Power (out):
W		    Efficiency:
%
Entire Drive:   Total Current:
A to hover
A maximum		   Weight:
 g Drive
 g AUW		   add. Payload:
g 
oz		   P (in):
W to hover
W maximum		   P (out):
W to hover
W maximum		   Efficiency:
%
%
Motor Data: Motor Cooling:
 Power Scale:
0
1
2
3
4
5
6
7
8
9
0
20
40
60
80
100
el. Power [in 1W]
Efficiency [%]
max. Revolutions [in 100rpm]
wast Power [W]
Motor Case Temp. [°C]
Motor Case Temp. overlimit [°C]
(c) by s4a    V1.07

Ampere

Important Note:
 Before flight recheck the max. current! If your Current, el. Power or RPM are over the manufacturers limits your 
 motor, controller and/or battery may take damage! Thrust reduction due long ducting are not considered!

  for printing use Landscape format
 * Flight Time @ Full Power
 ** Testdata with reduced accuracy

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Copyright (C) by Markus Müller, http://www.s4a.ch    email: ecalc[at]s4a.ch All rights reserved.
See HTML Source for full and complete copyright notice. About eCalc...
V X5.16 08.05.12 / Data: 10.06.12 with 2596 Motors
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