Notice Castle shiz Governor

Discussion in 'Castle Creations ESC and Software' started by iggy, Sep 22, 2015.

By iggy on Sep 22, 2015 at 3:17 AM
  1. iggy

    iggy Well-Known Member

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    Hi there

    After 26 flights with my 700L dominator (castle 160 hv / 850mx) I have to say that Im not satisfied with the governor of the esc. From instable rpms to gear chattering and back.. Means that I have tried several tuning options and didnt get stable rpm - I have always a slight tail blowout (nose left) on all rpm, low mid and high.

    The tail torque precompensation of my beastx is wothless anyway. That option just doesnt work. Tried that allready on my 500 and now on the big one.

    Seems that I have to run the 700 with the good old throttle curve. Getting a VBar with governer or something similar isnt an option now.

    Maybe you guys have the same experiences with the post reactive governors from castle?
     

Comments

Discussion in 'Castle Creations ESC and Software' started by iggy, Sep 22, 2015.

    1. Manyc

      Manyc Well-Known Member

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      Castle gov is fine... Try doing the whole 4.0v per cell instead of 3.7, seems to make a world of difference.. Make sure your on the latest firmware.. That includes the beta versions...

      But I tend to run external gov anyway
       
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    2. Vito

      Vito Member

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      yep I love the CC gov as Manyc mentioned 4v per cell is the trick and im running about 15 gov gain on my 700e. Also another thing to keep in mind is gear ratio, nick Maxwell mentioned at wagga fun fly that the gear ratio on a 700 should be closer to 10. But ive found this to be less critical with the firmware. Also the new firmware defaults the cell voltage to 4v these days.
       
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    3. iggy

      iggy Well-Known Member

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      Ok guys I will try this immediately.

      Firmware is the latest. But it actually didnt change the pack voltage by itself.

      So I have to set the pack voltage to 48.000 and set the governor to medium (15). - Now the programmed RPM are gone. When I set the three RPM I had will there be any difference now in power consumpting? What does this trick actually do to the system?

      By the way: Auto rotation function is enabled. There is some information about this in the software that the esc has a small window of throttle range to get in the auto rot mode (fast spool up and recovery). I have programmed -130% throttle (minimum) on hold on my dx18. Is that right? Or do I need to have exactly -100%?

      I hope this works fine now.
       
    4. MickyD

      MickyD Well-Known Member

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      Low endpoint is higher with auto bailout enabled
       
    5. iggy

      iggy Well-Known Member

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      Sorry I cant follow? What value sould I have on the Tx?
       
    6. MickyD

      MickyD Well-Known Member

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      Till you hear the beeps... The value is around the 120 on low an 85 high
       
    7. iggy

      iggy Well-Known Member

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      Ok got it. High at 96% + 2 , low at 124% + 2 , throttle hold at -68%. Initial spool up and fast recovery after throttle hold works. Tested it without blades.

      Time to go to the field now. I hope the governor works better now with that 4.0 volt per cell trick, even if I dont know the reason.

      Will update you later. Thanks guys
       
    8. Manyc

      Manyc Well-Known Member

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      I usually just take the blades off.. Increase the throttle cut value till the blades start turning then drop it two points.. I then spool up into idle up hit throttle hold and make sure the head stops.. Then flick it and see if it spools up quickly. It should...

      Now this is on the bench so you need to test.. Take it up high.. Then hit throttle hold see the head speed drop them flick out.. Just make sure your up high enough and still have enough head speed in case it triggers slow spool up.. But just be warned if you don't get throttle good low enough it may not kill the motor.. So I usually have idle up 3 to be zero.. As I use this to arm my esc...
       
    9. MickyD

      MickyD Well-Known Member

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      Or not quick enough lol. I know hahah last Saturday hahaha
       
    10. iggy

      iggy Well-Known Member

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      Thats the way I did it on the bench. My kill switch is now normal mode (to get back to initial spool up). For idle up1 & 2 the trottle hold works with fast spool up.

      500 meters to the field. Lets do an auto.. God bless :)
       
    11. Vito

      Vito Member

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      It was night and day for me and most of us at marcs. Also you want to have the headspeed change rate at 19 for a good spool up from bailout.
       
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    12. iggy

      iggy Well-Known Member

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      Man that recovery took me much to long!! Must have been the longest 4 or 5 seconds in my life ever!! It was so damn calm!! First I thought was there is something wrong it will not recover. Damn hahahhaahha

      So the headspeed change rate huh?? :)

      The governor works better now but when I give full pitch in a hard stop the tail still blows out slightly. Tail torque precomp from beastx doesnt help. Should I give more gain on the gov?
       
    13. Vito

      Vito Member

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      I would be looking more at tail set up and precomp than the gov gain. In regards to the gov gain keep raising it till your happy with the performance or you get chatter from the motor.

      With the tail start with mechanical set up, make sure you have about 3 degrees against torque. That would be the best way to start on your tail issues.
       
    14. iggy

      iggy Well-Known Member

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      This is how it looks now in mid position. Its more against the torque then in the manual. Thats why I thought its up to the rpm.

      image.jpeg
       
      Last edited: Sep 22, 2015
    15. Vito

      Vito Member

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      What about tail servo horn spacing? What head speed you running on this set up?
       
    16. iggy

      iggy Well-Known Member

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      Im using the 4 arm servohorn. It has longer arms than the 6 arm, so that the tail push rod doesnt bent that much. It makes the tail servo work easyer..

      I like 2050 rpm. Thats enough for me..

      Far more I have to say that I had the same amount of tail blowout with my 500 as the beastx was mounted there..
       
    17. Vito

      Vito Member

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      Yeah I used to have a trex 700 but cant remember if I used the 3rd or 4th hole on the 4 arm horn. You have to make sure you have enough mechanical gain on the tail or it wont hold well and tend to blow out. I still think it has to be tail, I have cc esc on all my helis and never had tail issues from the gov. I used to use only vbar gov, but found the cc gove to work quite well with a really easy set up.
       
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    18. iggy

      iggy Well-Known Member

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      As I said I had the same problem with my 500 and this gyro and solved it trough a trottle curve. Thats why I tought its up to the governor.

      I will check my tail settings again.

      Thanks to everybody.
       

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