Ray Gamero
  • Male
  • Towson, MD
  • United States
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My APM thinks it's underground.

Started this discussion. Last reply by Ray Gamero Jan 2, 2014. 2 Replies

It seems that after the first flight plan, my copter goes into reversed altitude control.  First loiter of the day, Perfect.  First Flight plan of the day, perfect.  Everything after that (after…Continue

Tags: Altitude, Reversed

Complete Shutdown at high alt. Can't figure out why.

Started this discussion. Last reply by Ray Gamero Dec 14, 2013. 4 Replies

I was flying my Trex 450 trad heli with an APM 2.6 running 3.0.1.  I was doing auto takeoffs.  20% of the time these result in uncontrolled climbs so I was trying to tune out the throttle.This time…Continue

Tags: failure, shutdown, Crash

 

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Profile Information

About Me:
UAV Engineer.
TREX 800 and TREX 550 trad helis.
Pixhawk on both.
Tarot 650 sport.
Please tell us a bit about your UAV interest
UAV accident investigator. UAV flight test Safety Engineer.
Hometown:
Baltimore, MD

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Comment Wall (4 comments)

At 2:18pm on January 4, 2015, Conor mcdonough said…
Trying to set up my trex 800 with pixhawk can't seem to find any info on setting for pid
Any suggestions??
At 7:43pm on January 4, 2015, Ray Gamero said…

Mine is a stock Trex 700 DFC (Align servos not HV). With an 800 stretch kit.  It has the big 800 blades on it.  If you have different servos, it will behave differently. I'm running about 1450 rpm.

I think better servos will need lower pids.  Higher head speed will also require lower pids. (P specifically)

I'll attach my recent Param file (3.2).  It flies nicely.  The only weird thing is that the battery monitor settings are to measure a 3s reciever pack and a 12s flight pack (measured on the current pin).

Trex800%20Copter%2032%20good.param

At 12:59am on November 3, 2015, Rish said…

Hi Ray and anyone,

I have one question...i m using AC 3.2 in APM 2 for setting up trex 550.

Heli Swash plate in stabilize mode is well tuned but as i switch to alt hold or loiter  collective goes  to full negative ..thanks.

At 10:07am on November 4, 2015, Ray Gamero said…

Rob commented on your page that this is normal if not trying to fly.  

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