Clark Hymas
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  • Prosser, WA
  • United States
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Question about APMPlanner flight planning - Energy/Alt

Started this discussion. Last reply by Don Brooks Jul 10, 2011. 1 Reply

Is the default altitude AGL or ASL (absolute altitude)?  If default altitude = AGL this could explain why I keep gaining altitude while in FBW_B and AUTO.Could someone also give me a description of…Continue

Did my ArduPilot Mega quit working?

Started this discussion. Last reply by Alvaro Kawaoku Jul 1, 2011. 14 Replies

I had everything working and in the tuning phase but something has gone wrong. Even if I put it in STABILIZE while on the ground and move the plane around, roll and pitch are indicated with the…Continue

Overview / Guide PID set-up and Tuning

Started this discussion. Last reply by aaron Sep 3, 2011. 6 Replies

I am interested in the basics of what each of the 12 PID paramaters actualy controls and the relation of one to another.....I have read and really have a pretty good grip on PID's, the adjustments…Continue

Please add 2 new forum catigories...flying/tuning rotor wing/copter & flying/tuning fixed wing

Started this discussion. Last reply by Chris Anderson Jun 22, 2011. 1 Reply

The title says it all, most interested in fixed wing myself but thought the rotor wing / copter guys might like one too.

 

Clark Hymas's Page

Latest Activity

Clark Hymas commented on Wattas's blog post Getting six fly modes on Futaba T10CAG transmitter
"Is the futaba 8FG similar or is there anyone who has instructions for the 8FG?"
Jan 12, 2012
aaron replied to Clark Hymas's discussion Overview / Guide PID set-up and Tuning
"Hello,   I've successfully got my aircraft flying in auto and navigating waypoints.  (Radian powered glider & APM 2.3)  However, I too could use some more background on tuning.   With the parameters mentioned above,…"
Sep 3, 2011
Paul Mather replied to Clark Hymas's discussion Loosing altitude while trying to fly a mission
"You can change your units by clicking File, Settings"
Aug 7, 2011
Don Brooks replied to Clark Hymas's discussion Question about APMPlanner flight planning - Energy/Alt
"The asl/agl decision is yours to decide when you create your mission. In the planner, you simply check or uncheck the box for absolute altitude. The displayed altitude is asl. For the other question,ill leave it to someone else who may be able to…"
Jul 10, 2011
Clark Hymas posted a discussion

Question about APMPlanner flight planning - Energy/Alt

Is the default altitude AGL or ASL (absolute altitude)?  If default altitude = AGL this could explain why I keep gaining altitude while in FBW_B and AUTO.Could someone also give me a description of what Energy/Alt PID adjustment controls or changes and how the P to T mix works.See More
Jul 10, 2011
1 Comment
Clark Hymas replied to Gent Armedo's discussion How do you "nudge" the APM to fly in different flight modes and what is the default failsafe flight mode?
"Information on programming the flight modes can be found here.  As for the failsafe I haven't bothered with it on my radio or APM."
Jul 10, 2011
Alvaro Kawaoku replied to Clark Hymas's discussion Did my ArduPilot Mega quit working?
"thanks anyway!"
Jul 1, 2011
Clark Hymas replied to Clark Hymas's discussion Did my ArduPilot Mega quit working?
"I was just getting ready to respond.  I'm a rooky at this myself - no worries here."
Jul 1, 2011
Alvaro Kawaoku replied to Clark Hymas's discussion Did my ArduPilot Mega quit working?
"Sorry to bother you guys... I just found the way. Thanks."
Jul 1, 2011
Alvaro Kawaoku replied to Clark Hymas's discussion Did my ArduPilot Mega quit working?
"Hi,  I got the some problems like that.   how can I clear the eeprom?   regards, Alvaro"
Jul 1, 2011
Clark Hymas commented on Andrew Tridgell's blog post The importance of vibration isolation
"Here is what I have done.  Its pretty simple, I am running a four stroke .70 and I'm not having any trouble with gyro drift."
Jun 30, 2011
Clark Hymas replied to Clark Hymas's discussion Did my ArduPilot Mega quit working?
"1) Yes, this is what I had going on. 2) Not using an ESC - nitro powered plane using a servo, plugged in 1 2 3 4, 3 being throttle.   3) Maybe I should go to bed earlier - after getting home from work reset EEPROM went through all the setups…"
Jun 30, 2011

3D RoboticsChris Anderson replied to Clark Hymas's discussion Did my ArduPilot Mega quit working?
"Those look good. Two questions, just to be clear: 1) with your CLI switch in flight mode and the board restarted and up and running, you get servo output in manual mode but not in other modes? 2) And you've got an ESC plugged into the APM…"
Jun 30, 2011
Clark Hymas replied to Clark Hymas's discussion Did my ArduPilot Mega quit working?
"Radio ---------------------------------------- CH1: 1058 | 1467 | 1879 CH2: 1097 | 1628 | 2045 CH3: 1108 | 1500 | 1808 CH4: 1106 | 1517 | 1935 CH5: 1498 | 1500 | 1498 CH6: 1498 | 1500 | 1498 CH7: 1498 | 1500 | 1498 CH8: 963 | 1500 |…"
Jun 30, 2011

3D RoboticsChris Anderson replied to Clark Hymas's discussion Did my ArduPilot Mega quit working?
"Can you post the results of your radio setup? I'd like to see what PWM values were read."
Jun 30, 2011

DistributorMartint BuildYourOwnDrone.co.uk replied to Clark Hymas's discussion Did my ArduPilot Mega quit working?
"Hi Clark,   That sounds like the IMU is working, are you in chat now? maybe we could have a few moments ?   Martin"
Jun 30, 2011

Profile Information

About Me:
Aviation enthusiust - Aircraft Hydraulics Mechanic for 8 years in the USN. Private pilot. RC junkie flying RC since 1990, flight instructor at my local field.
Tell us a bit about your UAV interest
Looking into building a UAV as a camera platform for agricultural purposes
Hometown:
Prosser

Clark Hymas's Blog

Vibration damper for gas/nitro powered models

Posted on June 1, 2011 at 7:00am 6 Comments

I had read about issues or concerns with vibrations and gas/nitro powered planes so I come up with a vibration damper assembly made up of 2 fiberglass plates separated by 4 foam ear plugs that I cut the tips off and glued to each…

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