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

Tail Servo

Started this discussion. Last reply by Sean Whitney Oct 27. 8 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 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. 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

Pixhawk Wiring

Started this discussion. Last reply by Sean Whitney Jun 17. 14 Replies

A little confused on setup. 1) Can I run Helicopter mode H1 on the my transmitter? I like the menu options with Helicopter mode on my transmitter rather than Airplane mode. 2) Hooking up the ESC to…Continue

 

Sean Whitney's Page

Latest Activity

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
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 I am using a YGE 120 ESC which seems a little outdated when it comes to programming.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
Sean Whitney replied to Ferruccio Vicari's discussion Gasser APM2.6
"Log file"
Nov 25
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
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
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
Sean Whitney replied to Robert Merki's discussion Tell me what pains you about drones/UAVs. (VENT AT ME)
Nov 20
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
Sean Whitney replied to Ferruccio Vicari's discussion Gasser APM2.6
"Yes very similar. "
Nov 10
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
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
Sean Whitney replied to Sean Whitney's discussion Tail Servo
"Correct file"
Oct 27
Sean Whitney replied to Sean Whitney's discussion Tail Servo
"I will redo my PID settings today and see how it goes. I think the larger tail blades should help. "
Oct 24

Developer
Rob_Lefebvre replied to Sean Whitney's discussion Tail Servo
"That is more than fast enough.  I don't think a 760uS servo will help at all. The problem could be the IMU filter rate.  Or your PID settings.  Or the fact that the algorithm isn't quite right.  I'll have to work…"
Oct 24
Sean Whitney replied to Sean Whitney's discussion Tail Servo
"I am running a Savox SB2272 @7.4V which is rated at .032 sec.  The helicopter has an under driven tail so I am dealing with a small tail wag. I got some larger tail blades I will see if these help."
Oct 24

Developer
Rob_Lefebvre replied to Sean Whitney's discussion Tail Servo
"Any reasonably fast servo will work.  I'm currently using HK MIBL servos, and I have one of the 0.04 second ones on rudder.  But sticking with name brands, something like a Futaba S9352HV for example should be more than fine. IMO, a…"
Oct 24

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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