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Other › Phoenix 85 HV with NEU 1910H/1Y no constant speed
04-28-2010 10:39 PM  8 years agoPost 1
Heligio

rrApprentice

Belgium

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hey guys,

today i've updated my phoenix 85HV esc to the 3.20 firmware, programmed it for governor mode/ set RPM at 1850 and 1950.
The heli is a T-rex 600ESP with V-bar on 8s with a Neu 1910/1Y motor
and 13T pinion.
Now after it's spooled up it seems to be hunting rpm, like a nitro that's running a tad too rich? Runs a four seconds good, hunts for two seconds, runs a four seconds good, hunts for two seconds... like that.
Anyone of you had this problem before?

Thanks,
Gio.

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05-03-2010 12:00 AM  8 years agoPost 2
Hen3

rrNovice

America

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Sounds like a governor gain too low issue? I run a similar setup but with a 14T pinion and a target headspeed of 2100. Here are my settings:

#######################################################
# Castle Link Data File
# Created: Monday, March 22, 2010
# Do Not Edit This File By Hand
#######################################################
Hex55: 85
Brake Strength: 0
Brake Delay: .6 sec (Delayed) (*)
Brake Ramp: Immediate (*)
Cutoff Type: Soft Cutoff
Motor Start Power: 39
Direction: Reverse
PWM Rate: 12 Khz (*)
Vehicle Type: Helicopter
Throttle Type: Governor Mode
Throttle Response: 5
Governor Gain: 35
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: 8
Vehicle Setup - Battery Voltage: 29.6000
Vehicle Setup - Gear Ratio: 12.143
Vehicle Setup - Motor Kv: 1050
Vehicle Setup - Motor Number of Poles: 8
Desired Head Speed 1: 2001
Desired Head Speed 2: 2101
Desired Head Speed 3: 2177
Current Limiting: Disabled
Cutoff Voltage: 240
Motor Timing: 5
Power-On Beep: Enabled (*)
Auto-Lipo Volts/Cell: 3.0 Volts/Cell (*)

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