eCalc: propCalc - Propeller eMotor Calculator (c) by Markus Müller

	propCalc - Calculator for Propeller
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Design Fundamentals:

Model 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:

Load:
C

Voltage:
V

Rated Voltage:
V

Flight Time*:
min

mixed Flight Time:
min

Weight:
g

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:
%

Propeller:

Static Thrust:
g
oz

Prop Stall Thrust:
g
oz

Revolutions:
rpm

Pitch Speed:
km/h
mph

Tip Speed:
km/h
mph

Prop Efficiency:
g/W
oz/W

Entire Drive:

Weight:
g Drive
g Total

Power-Weight:
W/kg
W/oz

Thrust-Weight:
: 1

P (in):
W

P (out):
W

Efficiency:
%

Motor Data:		Motor Cooling:	Power Scale:
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! Verify before flight by measurment!	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.
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