Clifton Hipsher
  • Male
  • Richmond, VA
  • United States
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Latest Activity

Clifton Hipsher replied to jeerasak moudpoklang's discussion how to get sensor data form pixhawk using mavlink? in the group PIXHAWK
"You need to be a whole lot more specific than that."
Mar 7
Clifton Hipsher replied to Peter Arnold's discussion Pixhawk Hex Take Off Stability problems in the group PIXHAWK
Mar 3
Clifton Hipsher replied to Peter Arnold's discussion Pixhawk Hex Take Off Stability problems in the group PIXHAWK
Mar 2
Clifton Hipsher replied to Peter Arnold's discussion Pixhawk Hex Take Off Stability problems in the group PIXHAWK
"Some other things that can jump up and bite you: 1.  RC_FEEL_RP, particularly when the aircraft is overpowered (hovers below 50% throttle). 2.  Autotune.  I prefer using In Flight Tuning.  I ran AutoTune on a quad that was…"
Mar 2
Clifton Hipsher replied to Peter Arnold's discussion Pixhawk Hex Take Off Stability problems in the group PIXHAWK
"You're just staying on the ground too long.  Flybarless helis do the exact same thing. The problem stems from the fact that as soon as you arm the motors, the flight controller is trying to keep the airframe level. A flybarless heli gyro…"
Mar 2
Clifton Hipsher replied to seyedali's discussion Pixhawk capability in the group PIXHAWK
"People have trouble with vibration because they do not balance motors or props.  In addition to doing both, I use vibration dampers..."
Feb 26
Clifton Hipsher replied to seyedali's discussion Pixhawk capability in the group PIXHAWK
"Pixhawk doesn't care how much the aircraft weighs,  What you need to be concerned about is the power system (motors, props, ESCs and battery) that will give you  at least 30 kilos of thrust at 50% throttle.  This comes out to…"
Feb 25
Clifton Hipsher replied to Tim Pritts's discussion Can I change the Pixhawk flight mode channel? in the group PIXHAWK
"I had the same issue with a FlySky TH9X with an XJT module and an X8R receiver. Short of installing a Smartiparts 9Xtremem and flashing new firmware, the easiest way to "fix" this is to use a PWM to PPM encoder. With an…"
Feb 6
Clifton Hipsher replied to Jason Greening's discussion Throttle mid/hover. in the group ArduCopter User Group
Jan 15
Clifton Hipsher replied to Jason Greening's discussion Throttle mid/hover. in the group ArduCopter User Group
Jan 15
Clifton Hipsher replied to Jason Greening's discussion Throttle mid/hover. in the group ArduCopter User Group
"That's because you are using an APM.  The CLI was removed to make room for better code..."
Jan 15
Clifton Hipsher replied to Jason Greening's discussion Throttle mid/hover. in the group ArduCopter User Group
"That chart still does not tell you what the thrust values are at 50% throttle, and because the physics are not linear, you cannot interpolate thrust at 50% based on thrust at 85% or 90%.  In fact, full throttle thrust is pretty much meaningless…"
Jan 6
Clifton Hipsher replied to Jason Greening's discussion Throttle mid/hover. in the group ArduCopter User Group
"Well, if the real wold motor data is even close to what is published here:Mars Power 2212-920Kv, the problem with the current power system is the props... To hover at 50% throttle each motor must make at least 325.25 grams of thrust. According to…"
Jan 6
Clifton Hipsher replied to Jason Greening's discussion Throttle mid/hover. in the group ArduCopter User Group
"Well, yes.  But more importantly MP is telling you the aircraft is under powered.  65% throttle just to hover coupled with an effective maximum throttle of 95% or so, leaves a scant 30% throttle for maintaining stability and…"
Jan 6
Clifton Hipsher replied to Bob Smith's discussion APM 2.8 landing gear retraction in the group ArduCopter User Group
"Yeah, what Craig said.  BUT, if you  really want automated AND manual control, get a Pixhawk.  You can use the radio to manually retract and deploy the gear and you can use LAND to deploy the gear automatically.  This works…"
Jan 4
Clifton Hipsher replied to Don Roberts's discussion Apm 2.6 motors won't spin up full throttle in the group ArduCopter User Group
"Check THR_MAX parameter.  It is supposed to be set to 1000 (100%) and I bet its set to 80 (8%)..."
Dec 29, 2016

Profile Information

About Me:
Retired US Navy Chief Petty Officer

I fly, therefore I am
Please tell us a bit about your UAV interest
Hobby. Photography, building, tinkering, and some FPV.
Hometown:
North Chesterfield VA

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