Helicopter eMotor Calculator (c) by Markus Müller

	eMotor Calculator for Helicopter (Prototyp)
all Data without guarantee! Accuracy +/-20%	The Prop Calculator works with JavaScript. Therefore you have to turn it on in your Browser.	Deutsch

Design Fundamentals:

Field Elevation:
m.ü.M

Air Temp:
°C

Pressure (QNH):
hPa

Battery: (continuous / max. C)

# seriell:
S

# parallel:
P

Capacity:
mAh

Resistance:
Ohm

Volt per Cell:
V

Weight per Cell:
g

Contoller:

Resistance:
Ohm

Continuous Current:
A

max. Current:
A

Weight:
g

Motor: Manufacturer - Type (Kv in rpm/V)

Kv:
U/V

Resistance:
Ohm

Idle Current:
A

Limit (up to 20s):

Case length:
mm

Weight:
g

Rotor:

Diameter:
cm

Pitch:

# Blades:

Rotor Const.:

Gear Ratio:

Approx. Values:

Warning:

Battery:

Load:
C

Voltage:
V

Rated Voltage:
V

Flight Time*:
min

mixed Flight Time:
min

Weight:
g

Motor:

max. Strom:
A

Voltage:
V

Revolutions:
U/min

el. Power (In):
W

mech. Power (out):
W

Efficiency:
%

Optimal Efficiency:

Current:
A

Voltage:
V

Revolutions:
U/min

el. Power (In):
W

mech. Power (out):
W

Efficiency:
%

Rotor:

Static Thrust:
g

Rotor Stall Thrust:
g

Revolutions:
U/min

Tip Speed:
km/h

Disc Load:
g/m²

Rotor Efficiency:
g/W

Entire Drive:

Weight:
g (Batteriy + Contoller + Motor + 10%)

P (in):
W

P (out):
W

Efficiency:
%

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

Motor Data:		Motor Cooling:	Power Scale:
Ampere