Sean Whitney
  • Male
  • Oregon City, OR
  • United States
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Sean Whitney's Groups

Sean Whitney's Discussions

Gimbal Setup

Started this discussion. Last reply by David Boulanger yesterday. 1 Reply

Anyone running a gimbal on their helicopter?Curious if someone found the best route for taking vibration out of the camera while in flight and in a hover? Care to share?  Continue

Tail Servo

Started this discussion. Last reply by Sean Whitney on Thursday. 9 Replies

Curious if the Pixhawk can only support servos at 1520μs? When I look at most tail servos they are usually running at 760μs. Will the Pixhawk support 760μs? If not what Tail servo would you suggest?…Continue

TBS Discovery Down

Started Jul 20, 2014 0 Replies

This was probably my fault but just want someone else to look at this.Before taking off I noticed my HUD was canted to the right about 10 degrees. While airborne watching my HUD leaning farther and…Continue

My Pixhawk Setup

Started this discussion. Last reply by Ray Gamero Jul 15, 2014. 8 Replies

I was able to get 5 flights in today mostly in loiter and it's pretty rock solid. I am curious what it will do with a little wind. Here are my params for a Trex 550 stretched to a 700 running 1500…Continue

 

Sean Whitney's Page

Latest Activity

David Boulanger replied to Sean Whitney's discussion Gimbal Setup
"Sean, I'm using a tarot 2D and a Hero 3 Black.  Everything works pretty well.  I had to find a good headspeed that didn't cause a vibration issue.  Running 1550 RPM all is jello free. Regards, David R. Boulanger"
yesterday
Sean Whitney replied to Sean Whitney's discussion Tail Servo
"Just wanted to add a small note.  I replaced my YGE ESC for a Kontronik ESC and the tail wag is now gone! I have been fighting that tail wag for a long time. My guess is that the YGE has a hard time with its governor mode. You could here it…"
Thursday
Sean Whitney posted a discussion

Gimbal Setup

Anyone running a gimbal on their helicopter?Curious if someone found the best route for taking vibration out of the camera while in flight and in a hover? Care to share?  See More
Wednesday
Sean Whitney replied to Rob_Lefebvre's discussion Warning about Helicopter Power Supply!
"Robert,  Tell me if this works.  I am running the APM power module to power my Pixhawk then after the power module I have my BEC to power my servos. Is this…"
Wednesday
Sean Whitney replied to Ferruccio Vicari's discussion Gasser APM2.6
"I have tuned the ESC PID setting over and over and still haven't found a sweet spot. In the manual it says that with larger helicopters you can pretty much max out your P and I settings. I recently ordered a Kontronics ESC because I think they…"
Nov 26, 2014
Sean Whitney replied to Ferruccio Vicari's discussion Gasser APM2.6
"I always wondered if it was my ESC pulsing causing this twitch. I am using a YGE 120 ESC which seems a little outdated when it comes to programming. "
Nov 25, 2014
Sean Whitney replied to Ferruccio Vicari's discussion Gasser APM2.6
"Log file"
Nov 25, 2014
Sean Whitney replied to Ferruccio Vicari's discussion Gasser APM2.6
"Tail gear ratio is 4.75:1  155mm Tail Blades 980mm Main Blades 1170 RPM http://www.airstarintl.com/index.php/155-tail-rotor-blades.html I ran smaller blades and it didn't seem any worse or better but I can try going back for testing…"
Nov 25, 2014
Sean Whitney replied to Ferruccio Vicari's discussion Gasser APM2.6
"I tried increasing and decreasing Rate_Yaw_FF from .01-.14 it just made the wag bigger or smaller. I found the wag was better with a lower FF. If I decrease the Rate Yaw P the wag would get bigger because the tail would become sloppy.   I tried…"
Nov 25, 2014
Sean Whitney replied to Ferruccio Vicari's discussion Gasser APM2.6
"Maybe my tail servo is to fast? Im running a Savox 2272 @7.4 Volts which is Speed(@7.4V sec/60): .032.  Looking at your tail servo it's pretty slow compared to the Savox 2272. What do you think? "
Nov 25, 2014
Sean Whitney replied to Robert Merki's discussion Tell me what pains you about drones/UAVs. (VENT AT ME)
Nov 20, 2014
Sean Whitney replied to Ferruccio Vicari's discussion Gasser APM2.6
"My Helicopter is electric. So you went to a slower tail servo and that solved the issue? I also think that the ESC may have something to do with it. It's a YGE and I think it's sending a pulse which is making that tail twitch. "
Nov 11, 2014
Sean Whitney replied to Ferruccio Vicari's discussion Gasser APM2.6
"Yes very similar. "
Nov 10, 2014
Sean Whitney replied to Ferruccio Vicari's discussion Gasser APM2.6
"Custom air frame swinging 980mm blades. What are your tail PID settings and Rate Yaw FF? My heli is flying really well but there is a tail wag I can't get rid of. "
Nov 4, 2014
Sean Whitney replied to Ferruccio Vicari's discussion Gasser APM2.6
"Is your tail wagging in a hover? My helicopter has a small tail wag in hover that I can't get rid of. "
Nov 3, 2014
Sean Whitney replied to Sean Whitney's discussion Tail Servo
"Correct file"
Oct 27, 2014

Profile Information

Please tell us a bit about your UAV interest
I work in the UAS field.
Hometown:
Oregon City

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Comment Wall (1 comment)

At 3:00am on April 24, 2013, Manuel Zangenfeind said…

Dear Sean Whitney,

I saw a video from your Trex 550 in Loiter Mode. The heli is staying very rigid in the air.

I'm using a TREX 700E and want to fly this heli with apm 2.5 version 2.91 autonomously.

Currently I want to adjust the PID parameter. The stabilize and the Altitude Hold Mode is working perfect, but I have some problems with the Loiter values.

So would it be possible to send me your PID values of the loiter mode? I think they have to be very similar.

Thanks.

Nice Greets from Austria

Manuel

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