About

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Male


Please tell us a bit about your UAV interest

I'm developing a multikopter with 16 motors


Hometown:

Kehrsatz


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Gerd Ulbers posted a photo
IMG_0569
Aug 13, 2014
Gerd Ulbers replied to Gerd Ulbers's discussion Two ESC with BEC, two batteries and one RC channel result's in problems
"Hi Dwgsparky,
I found the origin of the problem. My ESC were not calibrated but I didn't expect a huge difference among them, but once playing around with the gas stick the second motor suddenly starts to run. I had to move the gas stick half way to…"
Jul 29, 2014
Gerd Ulbers replied to Gerd Ulbers's discussion Two ESC with BEC, two batteries and one RC channel result's in problems
"Hi Dwgsparky,
The two esc grounds are connected by the connection of the grounds of the power supply as you can see at the graphic above."
Jul 27, 2014
Gerd Ulbers replied to Gerd Ulbers's discussion Two ESC with BEC, two batteries and one RC channel result's in problems
"Hi Scott,
"I would not assume that the battery negative is the same as the BEC ground"
If you measure the resistance it is 0. So according to my opinion it is connected.
I tried all your other proposals but there was no effect.
I think that it may…"
Jul 27, 2014
Gerd Ulbers replied to Gerd Ulbers's discussion Two ESC with BEC, two batteries and one RC channel result's in problems
"Hi Scott,
Like I said in the reply before the ground of the power supply is connected. So I don't see a need to connect both grounds of the BEC's, because both grounds in the ESC and BEC are connected.
Am I right?
Here is the correct layout:"
Jul 27, 2014
Gerd Ulbers replied to Gerd Ulbers's discussion Two ESC with BEC, two batteries and one RC channel result's in problems
"Hi Joe,
I got the graphics here:
http://2bfly.com/knowledgebase/electronic-speed-controls/multi-engi...
The ground in my case is connected by the common ground of the power supplies. So in fact the ground of the power supplies should be shown…"
Jul 24, 2014
Gerd Ulbers replied to Gerd Ulbers's discussion Two ESC with BEC, two batteries and one RC channel result's in problems
"Yes I tried it but it had no effect as I expected.
Thank you very much for your reply."
Jul 24, 2014
Gerd Ulbers posted a discussion
Hi,I got a problem, perhaps somebody is able to help me. I made the following configuration:In this configuration only motor 1 is running. When I disconnect the lower power supply motor 2 is running. Why is this happening? I use 4s batteries, 20A…
Jul 24, 2014