Rick F
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  • Yellowknife, NT
  • Canada
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2.8.1 problem re-loading firmware after minor crash

Started this discussion. Last reply by Rick F Feb 26, 2013. 2 Replies

First, I'd like to thank the team that developed and tested 2.8.1, I've recently found time to fly a more or less standard 3DR quad with APM2 and found it fly's very well  with standard…Continue

ESC arming problem

Started this discussion. Last reply by Randy Dec 5, 2013. 17 Replies

Hi, I'm building my first quad and am having problems getting the ESCs to arm. I have followed the ESC calibration instructions, several times, but no luck. On the APM (loaded with the latest code…Continue

Tags: frequency, arming, ESC

 

Rick F's Page

Latest Activity

Rick F replied to Vincent LAPORTE's discussion LIDAR for Bulk Sugar volume Measurement
"I worked with a minerals company that used a reflectorless theodolite  set up at 4 known stations around an indoor mineral stockpile with a volume of around 15,000 cubic metres.  Multiple readings from top to bottom along several different…"
Jun 9, 2017
Rick F replied to Samuel Arnold's discussion APM 2.6 Gimbal Setup in the group ArduCopter User Group
"Samuel:  You can do it either way, it pretty much depends on how big the servos are and knowing how much current they will draw.  You don't want them drawing more power than the APM 2.6 can provide or you could cause a brown out which…"
Dec 20, 2013

Developer
Randy replied to Rick F's discussion ESC arming problem
"Josh,     There's an RC_SPEED parameter that should do what you want.  it defaults to 490hz.     INSTANT_PWM was removed because it really doesn't help.  The idea when INSTANT_PWM was introduced was…"
Dec 5, 2013
Josh Vance replied to Rick F's discussion ESC arming problem
"I have been fighting this same problem for 2 days.  E-flite ESCs just don't seem to like the fast rate.  I am using Arducopter version 3.0.1. I can not find the above mentioned code in the source anywhere.  This post is 2…"
Dec 5, 2013
Rick F commented on Chris Anderson's blog post Pictures from the new 3D Robotics Tijuana factory
"Nice facility.  Any chance of posting a few short videos of the people and machines at work?"
Jul 10, 2013
Rick F replied to Brian MacKay's discussion Loading 2.81 after trying 2.9
"Brian, did you ever get this figured out?  I am trying to reload 2.8.1 and came up with the same list of hex numbers instead of version numbers."
Mar 3, 2013
Rick F replied to Rick F's discussion 2.8.1 problem re-loading firmware after minor crash
"Hi Eladio I eventually found a bad connection, the result of my crash I suppose, after fixing that everything seemed to load correctly and I had no more problems."
Feb 26, 2013
Eladio Garcia replied to Rick F's discussion 2.8.1 problem re-loading firmware after minor crash
"Hi, I have a problem like yours when I try to update the firmware. I have attached a screen shot of the fail window. Did you find a solution for your problem?"
Feb 26, 2013
Rick F replied to M.A.N.'s discussion Motors in the group ArduCopter User Group
"Above message was truncated:  Rest should read: Carefully straighten the shaft by holding the prop tightly in your hand and bending the shaft in the direction required, keep measuring and bending until the measurement is equal for both blades…"
Dec 29, 2012
Rick F replied to M.A.N.'s discussion Motors in the group ArduCopter User Group
"I've had similar problems, I use heavier APC props and the motor shaft will bend before the prop will break. I straighten the shafts by hand. Hold a tape measure against the arm holding the motor with the bent shaft and rotate the prop around…"
Dec 29, 2012
Rick F posted a discussion

2.8.1 problem re-loading firmware after minor crash

First, I'd like to thank the team that developed and tested 2.8.1, I've recently found time to fly a more or less standard 3DR quad with APM2 and found it fly's very well  with standard parameters (the best I've flown to date).Or it did until I flew it into a pine tree at a fair speed. Damage was light, only a bent motor mount. After fixing the motor and checking everything over I hand tested it and found that after arming I could run the motors up but when I put the throttle to "zero" the…See More
Nov 3, 2012
Rick F replied to Gábor Zoltán's discussion Adding extra functions to MinimOSD
"Hi Gabor I am having a similar problem.  I couldn't upload anything to the miniOSD using an FTDI cable and OSDconfig, always the same message, "Failed to talk to bootloader".  I don't know how to upload a hex file…"
Oct 12, 2012
Rick F commented on Chris Anderson's blog post Finally: replace just the bent shaft, not the entire motor
"I was also breaking and bending a lot of motor shafts when I first starting flying my quad.  I ended up buying about a meter of 4mm ground and polished tool steel shafting (amazon).  I used a dremel tool to cut the shafts to length and…"
Aug 17, 2012
Benjamin Winston replied to Rick F's discussion ESC arming problem
"I had a similar problem to this, and wrongly assumed from the ESCs beeping that the ESCs were forgetting their calibration once powered down. Once I scoped it, I saw the real problem. I originally posted this in a thread about user hooks, but it…"
Jun 21, 2012
Rick F replied to Randy's discussion ArduCopter 2.5 released!
" Has the compass been calibrated using one of the methods in the wiki?  Does the compass appear to give correct readings when you are connected to Mission Planner and turn the machine around? "
May 3, 2012
Rick F replied to Randy's discussion ArduCopter 2.5 released!
"Paul:  I had a similar problem two weeks ago and someone pointed out that I should check motor rotations.  I did and one was going the wrong way,  I had checked before, twice, but was only seeing what I wanted to see and not what was…"
May 2, 2012

Profile Information

About Me:
Retired, electronics engineering tech, lots of diverse experience. Worked in mineral exploration, logistics, large construction projects, lived in 5 different countries, worked in a dozen others. Interested in motorcycles, photography, travel, aviation.
Please tell us a bit about your UAV interest
This is my first UAV, a quadcopter. Have always been interested in RC models but the quadcopter really caught my imagination.
Hometown:
Yellowknife, NT, Canada

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