Steve Castano
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One motor spinning too slow??

Started this discussion. Last reply by Steve Castano Jul 30, 2011. 5 Replies

So I've been tracking down some motor/ESC related problems and today I replaced a bad ESC from a motor that had been "stuttering" then giving up as it got too hot. The new ESC is in and working and…Continue

Motor redundancy..... Y6? X8? Hexa? Octa? something new?

Started this discussion. Last reply by chris g Feb 26, 2012. 14 Replies

So..... I guess you could consider me a bit of a nerd gone corporate sell out. I'm all for open source, home grown, new idea, etc..... but in the business world, it almost always means a loss of high…Continue

Tags: motor, failure, redundancy, octo, x8

Bad motor? (again) Bad ESC maybe?

Started this discussion. Last reply by Dany Thivierge Jul 31, 2011. 37 Replies

I thought I had a bad motor but...... When I first start the quad it seems like everything is fine. (maybe because its all cool?) Then I can fly around for a few minutes..... seems to stay in the air…Continue

 

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chris g replied to Steve Castano's discussion Motor redundancy..... Y6? X8? Hexa? Octa? something new?
"If you want redundancy, Y6/Hexa is not recommended. If you lose a motor you will lose considerable lift. I have built quads, coax quads, hexas and y6s. The only configuration that still actually flies very well in a motor-out scenario is the coax…"
Feb 26, 2012
Augusto Sala replied to Steve Castano's discussion Motor redundancy..... Y6? X8? Hexa? Octa? something new?
"For those in doubt, let's update this topic a bit. I had a flat hexa and spent lot of time for tuning PID for failsafe redundancy (disconnecting one motor while running for tests). I could never make it as stable and reactive as I wished but I…"
Feb 25, 2012
Marcel VDW replied to Steve Castano's discussion Motor redundancy..... Y6? X8? Hexa? Octa? something new?
"Y6 seems to work. I found this video of a motor failure http://www.rcgroups.com/forums/showthread.php?t=1400855 and even a better example a few days ago but I can't find it for the moment."
Oct 16, 2011
Chris replied to Steve Castano's discussion Motor redundancy..... Y6? X8? Hexa? Octa? something new?
"X8 is a X4 with two motors per arm... they both spin the same direction and are connected to the same output channel.   if you want redundancy you need to over engineer it so it would work as an X4 then add 4 more motors. basically you need…"
Oct 15, 2011
John Campen replied to Steve Castano's discussion Motor redundancy..... Y6? X8? Hexa? Octa? something new?
"an accelerometer would work to Craig.  Also add a small servo or solenoid  release so you can active it manually. I'm definitely add this to me new project"
Oct 15, 2011
Craig Treubig replied to Steve Castano's discussion Motor redundancy..... Y6? X8? Hexa? Octa? something new?
"I have actually thought about the chute thing myself also using a pressure sensor or something like that."
Oct 14, 2011
John Campen replied to Steve Castano's discussion Motor redundancy..... Y6? X8? Hexa? Octa? something new?
"Same question. I don't see any X8 on the latest upload of APM Planner.  Any ideas on this one?  I have also been considering fitting an emergency parachute that you an activate if it all goes wrong. Ive had a friend who lost a few…"
Oct 13, 2011
vijayaditya replied to Steve Castano's discussion Getting WAY too into this!!! in the group ArduCopter User Group
"what version code are you using -- 2.0.38 or any beta?"
Aug 18, 2011

DistributorDany Thivierge replied to Steve Castano's discussion Bad motor? (again) Bad ESC maybe?
"Hey Steve,  I now have the same situation/problem... when I was "flying" in the past it was cold outside and I always had a big yaw issue on one side... it causes multiple crashes and because I only have a finite amount of time to…"
Jul 31, 2011
Steve Castano replied to Steve Castano's discussion One motor spinning too slow??
"I think I figured it out..... it looks like I might have turned the "brake" function on while not doing the ESC calibration properly. I redid the manual calibration one ESC at a time and made sure I did the "long beep-----short…"
Jul 30, 2011
Steve Castano replied to Steve Castano's discussion One motor spinning too slow??
"OK..... so I'm doing the manual calibration and that seems to be going fine, but what I'm noticing is a lot of resistance in that motor. When the ESC has power, its almost like its trying to hold the motor in place. Its harder to turn it…"
Jul 30, 2011

DistributorDany Thivierge replied to Steve Castano's discussion One motor spinning too slow??
"no need for timing.. cli  then setup then esc follow instructions there on the prompt... unplug it all... then power radio and throttle to max (up), then plug in bat you will get 2 long beep then you move the throttle to zero (bottom) and that…"
Jul 30, 2011
Steve Castano replied to Steve Castano's discussion One motor spinning too slow??
"I'm actually standing here doing that right now..... seems like I'm missing something..... I'm going to take a video of the sounds and make sure I'm dropping the stick at the right time."
Jul 30, 2011

3D RoboticsChris Anderson replied to Steve Castano's discussion One motor spinning too slow??
"Did you do the ESC calibration manually? (Plug it right into Rx Ch3 and power on with throttle at max)"
Jul 30, 2011
Steve Castano posted a discussion

One motor spinning too slow??

So I've been tracking down some motor/ESC related problems and today I replaced a bad ESC from a motor that had been "stuttering" then giving up as it got too hot. The new ESC is in and working and the motor does start up now.... but the problem is that the motor on the new ESC (jdrones 30A) spins much slower than the others. I have re-done the ESC calibration, but I'm wondering if maybe I'm doing it wrong? what else might be causing this one ESC to keep that motor running too slow?? *SMCSee More
Jul 30, 2011
5 Comments
Steve Castano replied to Steve Castano's discussion Bad motor? (again) Bad ESC maybe?
"OK, so I've replaced the ESC now, done a full ESC calibration..... and the motor attached to the new one I just put in is definitely spinning much slower than the other motors!   Any ideas?    "
Jul 30, 2011

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Live in Washington DC and trying really hard not to get my first UAV shot down!
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