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K2Freak
11-26-2010, 01:28 PM
Hi All,

Is there a website or any info for best practices regarding CC ESC settings for the scorpion motors? I am curious about PWM, timing, and the other motor specific settings.

Thanks, Scott

nightflyr
11-27-2010, 05:34 AM
If your planning on using a Castle Creations ESC..DO NOT use outrunner mode.
CC does not recommend it for Scorpion motors.

FredRX
11-27-2010, 06:59 AM
Could you elaborate on the outrunner mode not recommanded by CC please ?
I am using it (with a CC ICE HV 160) on an Scorpion 4035-500kv motor and everything's fine...

nightflyr
11-27-2010, 07:34 AM
There was a bit of a debate over this...Feel free to read through and decide for yourself:thumbup:

http://www.helifreak.com/showthread.php?t=243039

mlucia
11-27-2010, 12:10 PM
Here ya go: http://www.scorpionsystem.com/catalog/motors/hk40/hk4035/HK-4035-500/

Specifications

Stator Diameter 40 mm (1.56 in) Stator Thickness 35 mm (1.024 in) No. of Stator Arms 12 Magnet Poles 10 Motor Wind 10 Turn Delta Motor Wire 26 - Strand 0.25mm Motor Kv 500KV RPM / Volt No-Load Current (IO) 1.77 Amps @ 8.4v Motor Resistance (RM) 0.020 Ohms Max Continuous Current 84 Amps Max Continuous Power 3500 Watts Weight 431 Grams (15.20 oz) Outside Diameter 48.9 mm (1.9 in) Shaft Diameter 5.98 mm (0.235 in) Body Length 61.5 mm (2.38 in) Overall Shaft Length 94.7 mm (3.73 in) Max Lipo Cell 12s Motor Timing 5deg Drive Frequency 8kHz



You will have to enter the gearing information and adjust the gov gain but for an example:

################################################## #####
# Castle Link Data File
# Created: Saturday, November 27, 2010
# Do Not Edit This File By Hand
################################################## #####
Brake Ramp: Immediate (*)
Brake Delay: .6 sec (Delayed) (*)
Auto-Lipo Volts/Cell: 3.0 Volts/Cell (*)
Sample Frequency: 5 Sample / Sec (*)
Power-On Beep: Enabled (*)
Hex55: 85
Data Log Enabled: 255
Current Limiting: Insensitive (70A)
Cutoff Voltage: Auto Li-Po (*)
Vehicle Type: Helicopter
Throttle Type: Governor Mode
Throttle Response: 5
Governor Gain: 15
Initial Spool-Up Rate: 5
Head Speed Change Rate: 5
Auto Rotate Enabled: False
Governor Mode Type: Fixed
Vehicle Setup - Battery Type: LiPo
Vehicle Setup - Number of Cells: 12
Vehicle Setup - Battery Voltage: 44.40
Vehicle Setup - Gear Ratio: 1.0000
Vehicle Setup - Pinion: 1
Vehicle Setup - Spur: 1
Vehicle Setup - Motor Kv: 500
Vehicle Setup - Motor Number of Poles: 10
Desired Head Speed 1: 1900
Desired Head Speed 2: 2100
Desired Head Speed 3: 2200
Motor Timing: 5
PWM Rate: 8 Khz
Brake Strength: 0
Direction: Forward (*)
Motor Start Power: 59
Cutoff Type: Soft Cutoff

K2Freak
11-27-2010, 12:33 PM
"Motor Timing: 5deg
Drive Frequency: 8kHz"

Thanks.! That's exactly what I was looking for. Sounds like there really isn't much discussion regarding what to do for performance - it's about what the motor wants in order to run correctly and last a full life...