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Skookum Robotics Skookum Robotics SK-360 SK-540 & SK-720 Digital Flybar |
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05-27-2014, 10:48 PM | #1 (permalink) |
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Join Date: Oct 2012
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Switching from BX
I am in the process of switching from BX to the SK540 on my X5. I am planning on using the hobby wing rpm sensor for governor. I also have a CC bec pro, where do I plug in the leads from the bec. The manual says any open ports. I just want to make sure I don't fry anything. Are all the ports on the 540 capable of receiving power?
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05-28-2014, 02:49 AM | #2 (permalink) |
Join Date: Mar 2007
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=] what radio are you on? your free ports would be =
SW-A, & 10-B (if not using S-bus) gov sensor to 10-C, do not use EX-LED for power!
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05-28-2014, 06:44 AM | #3 (permalink) |
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Join Date: Sep 2011
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Ext led will not fry your system-it just doesn't supply power...
Been there, done that mistake...
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2 X X7 | Scorpion 4525 Ultimate 4+6T YY / Xnove 4530 525 | scorpion Tribunus 200II ESC | Edge 713 | Logo 690SX | Pyro 440 7+8T YY | Castle 120HV | X3 | 4S | HW 50A V2 ESC | Scorpion 2221 2050KV 9T D | SK540 / Brain2 | Mks |
05-28-2014, 08:20 AM | #4 (permalink) |
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Join Date: Oct 2012
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Switching from BX
Thanks guys. I am running spectrum so I will use satellites. Sounds like SW- A and IO-B it is.
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05-29-2014, 06:48 PM | #5 (permalink) |
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Join Date: Oct 2012
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Switching from BX
Got everything mounted and set up. Everything seems to be working except the governor. It over speeds in normal mode at first spool up, then ramps down to the set speed. Then in IU 1 the tail shakes severely. I have tried adjusting the tail gain up and down with no changes. The gyro gain is grayed out in the software and will not allow me to adjust it.
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05-29-2014, 06:56 PM | #6 (permalink) |
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Join Date: Jul 2010
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The over spool tells you the gov is def working. To eliminate or seriously limit how far it over shoots take the value down farther in the Overdrive window.
Next your overall gov gain may be too high. Drop that down 3 to 4 pts at a time until the tail shake is gone.
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05-29-2014, 09:02 PM | #7 (permalink) |
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Switching from BX
I figured out that I have to be in the advanced menu to adjust gov gain and the overdrive. I will try again tomorrow. Thanks.
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05-30-2014, 12:07 AM | #8 (permalink) |
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Note that it is better to use very low governor gain first to fix your tail gain otherwise you have gov and tail gain interaction making both hard to set up.
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2 X X7 | Scorpion 4525 Ultimate 4+6T YY / Xnove 4530 525 | scorpion Tribunus 200II ESC | Edge 713 | Logo 690SX | Pyro 440 7+8T YY | Castle 120HV | X3 | 4S | HW 50A V2 ESC | Scorpion 2221 2050KV 9T D | SK540 / Brain2 | Mks |
05-30-2014, 03:27 AM | #9 (permalink) |
Join Date: Mar 2007
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=] the default 50% gov gain is for nitro, you will want to be around 28-32%......
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05-30-2014, 05:17 PM | #10 (permalink) |
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Switching from BX
Ok good to know. I can just drop that in the software right or do I have to do it in the TX?
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05-30-2014, 07:39 PM | #11 (permalink) |
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Join Date: Jul 2010
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Actually, you can do one or the other. In the Sk software you can lock the gain in so the Tx doesn't have any input there. Or, you can open it up so the TX gain controls it.
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05-30-2014, 10:24 PM | #12 (permalink) |
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Join Date: Sep 2011
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Its gov gain they are talking about - only software. Until next rev...
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05-31-2014, 02:52 AM | #13 (permalink) |
Join Date: Mar 2007
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=] you change nothing at the Tx, use only the software %.....
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06-01-2014, 01:29 PM | #14 (permalink) |
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I need to quit posting late at night.....
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06-01-2014, 01:40 PM | #15 (permalink) |
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Join Date: Jan 2013
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Switching from BX
Luv, I'd say you are ahead of the curve. You should be able to assign a TX channel to the gov gain with the next firmware version
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06-01-2014, 10:03 PM | #16 (permalink) |
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Join Date: Oct 2012
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Switching from BX
Thanks to RontaryUS we got the tail wag and wobble issues resolved. I am now having gov problems. There is no change in head speed going from Normal to IU 1 or 2. I have been through my esc set up and tried a couple of different settings in there and have double checked my TX settings. The esc is the stock one that comes with the X5 combo GE 610. I can see the input from the hobbywing phase sensor. When I turn off gov and just use throttle curves everything works correctly. With gov on there are no HS changes.
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06-01-2014, 11:07 PM | #17 (permalink) |
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Join Date: Sep 2011
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Try overdrive on 0. You coul'd also try higher ramp value.
Sometimes, if gearing is high, the throttle % to maintain the headseep are too low for the gov to engage. Higher target headspeed and some positive collective input to load the system can cause it to engage.
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2 X X7 | Scorpion 4525 Ultimate 4+6T YY / Xnove 4530 525 | scorpion Tribunus 200II ESC | Edge 713 | Logo 690SX | Pyro 440 7+8T YY | Castle 120HV | X3 | 4S | HW 50A V2 ESC | Scorpion 2221 2050KV 9T D | SK540 / Brain2 | Mks |
06-02-2014, 01:10 AM | #18 (permalink) |
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Join Date: Jul 2010
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I had the same problem when I went with more powerful motors in my case. I did what Omerco advised and it solved the issue.
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06-02-2014, 10:40 AM | #19 (permalink) |
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Join Date: Oct 2012
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Switching from BX
Now that you mention the overdrive setting and the ramping those were two things that we changed previously. I will change those settings one at a time and see what that does. Thanks guys. I will keep you posted.
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06-06-2014, 08:59 PM | #20 (permalink) |
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Switching from BX
I tried changing the overdrive setting and the ramping settings. On the bench the governor worked well, but not when I went to the field. I don't get it. I think I'm going back to the Breast X.
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