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-   -   3PK question (https://www.rctech.net/forum/radio-electronics/1086269-3pk-question.html)

Andy Koback 06-15-2021 10:01 AM

3PK question
 
I recently obtained a used 3PK and I'm having issues trying to calibrate it with 2 different ECS's. (Mamba/Tekin) Issue is it can't find the "Neutral" that makes calibration complete. Throttle mode is set at 70/30, same as my other 3PK. Is this something that can be fixed or is something out of adjustment? Anyone else ever have this issue? These ESC's work just fine with another 3PK. Even tried different receivers, no change. Gotta be in the radio. Any ideas???

Roelof 06-15-2021 10:16 AM

You can set the throttle range to 50/50

http://manuals.hobbico.com/fut/3pk-manual.pdf

Andy Koback 06-15-2021 10:28 AM


Originally Posted by Roelof (Post 15796794)
You can set the throttle range to 50/50

http://manuals.hobbico.com/fut/3pk-manual.pdf

Will try that tomorrow. racing tonight. I did set the Neutral width in the Tekin to factory setting of 56 up from 10 and made no difference.

AWB17 06-15-2021 12:34 PM

Try setting the throttle channel (ch 2) to reverse on your transmitter, then recalibrate.

Andy Koback 06-15-2021 01:13 PM


Originally Posted by AWB17 (Post 15796817)
Try setting the throttle channel (ch 2) to reverse on your transmitter, then recalibrate.

Already tried that.

Shawn B 06-15-2021 01:28 PM


Originally Posted by Roelof (Post 15796794)
You can set the throttle range to 50/50

http://manuals.hobbico.com/fut/3pk-manual.pdf

bad advice for racing but good for crawling

Roelof 06-15-2021 11:06 PM


Originally Posted by Shawn B (Post 15796827)
bad advice for racing but good for crawling

Huh?????

The movement of the throttle/brake will still be 30/70 but the transmitter translate it to a 50/50 signal so the center is on the right spot with which several ESC's need to be. If the ESC does accept a 30/70 setting then by calibrating the ESC the ESC will make it a 50/50 translation.

So how can this be bad if it still happens anyway?

Shawn B 06-16-2021 06:06 AM


Originally Posted by Roelof (Post 15796954)
Huh?????

The movement of the throttle/brake will still be 30/70 but the transmitter translate it to a 50/50 signal so the center is on the right spot with which several ESC's need to be. If the ESC does accept a 30/70 setting then by calibrating the ESC the ESC will make it a 50/50 translation.

So how can this be bad if it still happens anyway?

What competition esc needs to have the throttle set to 50/50?

Geezatec 06-16-2021 08:12 AM

Try changing M-Sel(M1-10), where it set at could be corrupted. Make sure you bind RX w/o connecting the ESC. Then connect ESC and Config as normal. Ran into problem with Tekins RX8. Fine after that.

Andy Koback 06-16-2021 08:33 AM


Originally Posted by Geezatec (Post 15797047)
Try changing M-Sel(M1-10), where it set at could be corrupted. Make sure you bind RX w/o connecting the ESC. Then connect ESC and Config as normal. Ran into problem with Tekins RX8. Fine after that.

I did try another mode (M-11) and that seems to have helped. Trying a different ESC today to test.

Andy Koback 06-16-2021 08:34 AM


Originally Posted by Geezatec (Post 15797047)
Try changing M-Sel(M1-10), where it set at could be corrupted. Make sure you bind RX w/o connecting the ESC. Then connect ESC and Config as normal. Ran into problem with Tekins RX8. Fine after that.

In my situation, I need to power the receiver by connecting the ESC for power.

Geezatec 06-16-2021 03:32 PM

https://cimg0.ibsrv.net/gimg/www.rct...5267531809.jpg
All you need is this. plug it into Ch1-3 or Batt. It will bind. Thats how I bind all my RX. Futaba and Sanwa. I'm old schooled. Hope it help you! Good Luck!!

Andy Koback 06-16-2021 03:50 PM


Originally Posted by Geezatec (Post 15797190)
https://cimg0.ibsrv.net/gimg/www.rct...5267531809.jpg
All you need is this. plug it into Ch1-3 or Batt. It will bind. Thats how I bind all my RX. Futaba and Sanwa. I'm old schooled. Hope it help you! Good Luck!!

Forgot about those things. I was thinking receiver pack but that went out the window long time ago too. I went back to my regular 3PK and everything works as it should. The issue with this stand-by radio is it won't recognize the neutral band during calibration. Looks like a book end now. -)

Geezatec 06-16-2021 08:36 PM

Like AWB17 say Rev the direction of CH2. PK3 has that option.Menu go to CH-Rev, it'll show you CH1, CH2 & CH3, toggle CH2. Creation and Tekins have their Propietary set up on Neutral positions. Try it it wont hurt, cuz I've seen it when crossing over Creation and Tekins ESC's. Later!!!

Roelof 06-17-2021 12:09 AM

Binding the receiver is only needed if the 3PK is equipped with a 2.4ghz TX/RX module system. I would not advise to use such a battery together with the ESC plugged, you can fry the BEC system.

If the steering servo does work then no binding is needed. If not tyou should also check if the transmitter is in the right mode PPM/HRS/PCM for the receiver.


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