About

Gender

Male


Location

Austin, TX


About Me:

renewable energy pyrotechnics power systems


Please tell us a bit about your UAV interest

just started 12/26/2015


Hometown:

austin


Activity Feed

harry sawyer posted a discussion
I'm using the AUX PWM outputs and i'd like the default PWM rate to be 0 instead of 900.  I'm using the PWM output to control an EPM and upon bootup, the default rate causes actions on the device.Sure this has been posted somewhere, but i can't find…
Jun 5, 2016
harry sawyer replied to harry sawyer's discussion iris strange flight dynamics
"For anyone noticing a simliar issue, i believe this problem is the result of altitude changes during waypoints changes.  If i don't change altitude, i don't get the pauses and delays during flight.  Therefore, i conclude that there is a tuning or…"
Jun 5, 2016
harry sawyer replied to harry sawyer's discussion iris strange flight dynamics
"Found this in the log using the 'auto analysis':
Test: Compass = WARN - Moderate change in mag_field (31.74%)
this seems to be the only warning. 
Since the problems is evidenced by the pitch changes, i checked the ATT logs despitch vs pitch - i can…"
Apr 23, 2016
harry sawyer replied to harry sawyer's discussion iris strange flight dynamics
"Charlie,

Thanks for the reply- what are the best signals to monitor to check vibration? I will search around for this an the normal ranges. Would excessive vibration cause something to 'pause'? Forgot to mention - little to no wind at all on this…"
Apr 21, 2016
harry sawyer posted a discussion
Pretty green at this and need some help to diagnose a problem:I'm flying an IRIS+ with a gopro session and a samsung S4 on the bottom to provide a cellular telemetry link.  The issue i'm seeing is that as it flies a mission, it keeps pausing for a…
Apr 20, 2016
harry sawyer commented on Tim Corbett's photo
"Tim, this is a nice build. It's been a year since you posted. Anything you would do differently now? I know I want a pixhawk and I'm looking over tarot frames. Where did you get that canopy? Nice!"
Jan 24, 2016
harry sawyer commented on Larry A Amati's photo
"What kind of flight time?"
Jan 24, 2016