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Governor issues - SUPER slow start and not enough head-speed!

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  • Governor issues - SUPER slow start and not enough head-speed!

    I'm having a problem with the governor on my MSH Brain v1. Problem is that when I go to fly, the throttle stick needs to be
    at around 40% or more for it to start up. Then once it starts, the slow start is incredibly slow and even then it doesn't
    reach anywhere near full RPM. Attempting to take off will I can hear it slow down under load and returning to zero pitch
    it speeds up again.

    This is a vid I made yesterday of my Protos:


    I've also seen this vid:

    where the guy appears to be having the exact same issue as me. Think hes supposed to be at 2000RPM. It seems like he fixed it but the google translate on his comment is:

    "Differential share was only too high !!!!! Now it's working!!!! GREAT!!!!!!!!!" which can only mean Sensing divisor
    was too high.

    I'm running: Align 750MX 530KV which has ten magnetic poles so I've entered 5 for my Sensing divisor.

    Anyone know if this is the wrong value or had the same issue?

    cheers Craig

    More details:


    Align 750MX 530KV
    YEP 120A
    MSH Brain v1
    DX7
    OrangeRx phase sensor
    12S 5000mAh
    Protos Max v2


    Brain
    RMP 1=1750
    RMP 2=1800
    RMP 3=1850
    Sensing divisor=5


    DX7
    Normal=0-40-40-40-40
    IU 1= 60 flat
    IU 2= 85 flat

    Last edited by craigjell; 25-08-2017, 05:01 PM.
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