RC Jim shows you how to select electric motors and related components to match an equivalent nitro motor, meet the requirements for a given plane, and have a safe system. Check out our related article: https://rcjim.com/2024/12/15/selecting-electric-motor-size-and-specs/.
Contents:
00:00 Electric component selection for RC planes
00:32 Bind n Fly BNF
01:02 RC plane conversions and builds
02:00 Dangers to avoid
02:25 Motor selection
02:45 Match horsepower?
03:27 Engine efficiency
05:08 Electric motor efficiency
05:50 Discrepancy in matching power
08:07 Matching thrust
08:56 OS Max 46 performance
10:00 Duplicating thrust with electric motor
10:20 Cobra motor propeller test data
11:30 Comparing Cobra with Dualsky
12:45 Lower wattage requirement
13:38 Comparing continuous vs peak performance
15:25 Colour scheme for performance chart
16:50 Why does a nitro motor need more power?
19:04 Propeller pitch
20:26 Issue of propeller size
21:28 Solution for smaller prop
25:12 Thrust to weight ratio
26:10 ESC selection
26:40 Amperage capacity
27:20 Brand selection
28:30 Additional considerations
29:50 Voltage range
30:15 Active freewheeling
33:32 Battery selection
34:12 Calculating battery capacity required
36:20 Lipo battery C rating
38:18 Benefit of larger battery C rating
39:06 Nature of C capacity
39:34 Selection of connectors
40:45 Male vs female connectors
43:41 Soldering issues
44:38 Physical size of battery
LINKS:
Dualsky motor specs:
http://www.dualsky.com/motor/Xmotor_EA.shtml
OS Max 46 performance:
https://www.rcgroups.com/forums/showthread.php?2029493-Prop-Thrust-Experiment-OS-46-AXII
Cobra C4130-14 motor specs:
https://www.innov8tivedesigns.com/images/specs/Cobra_4130-14_Specs.htm