"Bradley
I noticed with my quad, normally, all the ESCs give out the 123 (self test) then 3 beeps (3S battery ) and finally 2 beeps ("I'm ready to arm").
At -5C I got a case where 1/4 ESCs gave out the double…"
Bob Roach's Discussions
Another Quad needs a Doctor
Started this discussion. Last reply by Jani Aug 30, 2012. 5 Replies 0 Likes
Dear Quad DoctorsNoticed strange behaviour with my quad. With Version 2.6 , Logs were not working, presumably due to the dataflash issue. Now with 2.7, I notice large magnitude GPS…Continue
Bob Roach's Page
Latest Activity
Bob Roach replied to Bradley J Carr's discussion ESC component problems. in the group ArduCopter User GroupBob Roach replied to Jonathan Brodie's discussion Arducopter just flips over in stabilize mode"Did you confirm your X vs + configuration and prop rotations are correct?"
Bob Roach replied to Hugues's discussion How to arrange cables+battery neatly in 3DR quad ? in the group ArduCopter User Group"ESCs : Tie wraps
Motor wiring: Ditch the bullet plugs and direct solder . Enclose all wires in 1/2 inch plastic cable loom. See photos below:
"
Bob Roach replied to M.A.N.'s discussion Motors in the group ArduCopter User Group"Anybody got tips on how to press in a new shaft? Would a drill press work?"
Bob Roach replied to M.A.N.'s discussion Motors in the group ArduCopter User Group"Welcome to the Bent Motor Shaft Club!
I didn't have much luck straightening shafts unless I dissassembled the motor. I found a little trick that seems to work for me.
1. Carefully remove the "E" Clip from the motor bottom.…"
Bob Roach replied to luisbasso's discussion ESC using 5 volts from APM in the group ArduCopter User Group"Luis
The ESC has a built in +5V regulator so the servo plug Red is +5V output from the ESC. see below
On the 3DR PDB your red/black cable connects to one of the ESC +5 volt output pins. The red/black cable powers…"
Bob Roach replied to Edgar Scott's discussion Autoland not shutting down motors. in the group ArduCopter User Group"Edgar
Auto land does not cut off the motors but rather puts the copter into a decent. The pilot has to flip back to Stabalize and manually cut the throttle. I got a gust once and did a ground roll in Autoland mode so I like to land…"
Bob Roach replied to Edgar Scott's discussion RTL went up and up and up in the group ArduCopter User Group"re Loiter Unlimited: The last command prior to the "0-throttle" crash was Loiter Unlimited. See below the copter executes Loiter Unlimited causing mode to switch to Loiter. You can see the motors go to zero resulting in…"
Bob Roach replied to Edgar Scott's discussion RTL went up and up and up in the group ArduCopter User Group"Regarding "Sticks ignored as long as auto mode is selected."
I managed to cause a crash by not carefully watching the throttle stick in auto. I inadvertantly bumped the throttle to zero while executing an auto program. When the…"
Bob Roach replied to Edgar Scott's discussion What happens at last waypoint? in the group ArduCopter User Group"Edgar:
Thanks
Do you know how to get the copter to decend to "Approach Altitude" in programmed RTL?
I've tried a programmed RTL a few times but it doesn't behave the same as RTL mode..
In RTL mode: the copter goes…"
Bob Roach replied to Edgar Scott's discussion What happens at last waypoint? in the group ArduCopter User Group"Randy
I always have RTL at the end of my missions too . However, I was expecting the copter to decend to the approach altitude (3m) when it reaches home, but that's not what happens. Instead, it returns but stays at RTL altitude. I put in…"
Bob Roach replied to Edgar Scott's discussion RTL went up and up and up in the group ArduCopter User Group"Edgar
That happened to me once because I accidently had the throttle up high.
Did you look at the logs?
Bob"
Bob Roach commented on Emile L.'s blog post Winter Quading"Emile
Here I thought I'd put the 'copter away for the winter. Maybe we'll start a "Nov- April North of 45" blog!!
btw your photo is fabulous. I nominate you for the drone photo of the year ...It's…"
Bob Roach commented on Emile L.'s blog post Winter Quading"Emile.
Great video. I presume you are still using same equipment as your vacation blog i.e. APM 2.0 (modified)?
Did you "cold soak" your equipment prior to flying ?
Here in Ottawa, I flew my 3DR/APM2.0 a few weeks ago at …"
Bob Roach replied to R. D. Starwalt's discussion APM2.0 5V/Vcc Schematic"Doug
Thanks for taking the time to do this. Very helpful to see what is going on with the power.
Bob"
Bob Roach commented on Chris Anderson's blog post Examples of Non-Military, Non-Police use of Drones (please add your own)"More Wildlife monitoring
1. Caribou herd counts
2. Polar Bear Monitoring
3. Various Arctic Development jobs"
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