"Yes, great stuff! Just made this mod to mount an apm1 under my 3DR frame. Works tremendously. :) The filename has changed but grepping on GYROY etc will turn it up."
Graham's Discussions
APM Orientation for Traditional Heli
Started this discussion. Last reply by Don Megabyte Jun 6, 2012. 7 Replies 1 Like
I built a TRex 450 with an APM mounted as suggested by Randy but am thinking about changing it and mounting it in a different way that would result in the APM being upside down. My question is, can…Continue
Graham's Page
Latest Activity
Graham replied to malcolm churn's discussion ArduCopter Traditional Heli (was: "600-size heli")"Thanks Robert. The DS530 does look quite good based on the specs, but like you said the few review there are not that good."
Graham replied to malcolm churn's discussion ArduCopter Traditional Heli (was: "600-size heli")"Thanks Robert. I am going to upgrade my servos then. Do you think the HK-922 is a good and affordable choice? In my test this servo performs well on the tail. Would you recommend something different in the $10-$20…"
Graham replied to malcolm churn's discussion ArduCopter Traditional Heli (was: "600-size heli")"I currently have a HK-922 as my tail servo and I am thinking about using it for all 4 servos. Do you think there is a reason that align uses slower servos for the head than the tail? Besides cost? Is slower smoother or better in…"
Graham replied to malcolm churn's discussion ArduCopter Traditional Heli (was: "600-size heli")"I have been flying with HXT900 servos with limited success. I think they are too jittery and too slow to work well with the flybarless head and the APM. What do you guys think? What servo's are you using? I am thinking…"
Graham replied to malcolm churn's discussion ArduCopter Traditional Heli (was: "600-size heli")"Randy,
Do you need to "arm" the motors to make it save the offsets? I did a few flights today and it didn't seem to save the offsets."
Graham replied to malcolm churn's discussion ArduCopter Traditional Heli (was: "600-size heli")"Hey guys. I am having problems with my magnetometer. I haven't been able to get it to return correct and consistent values. I haven't been able to find any postings from people with similar issues. Here is what my…"
Graham replied to Chris Pitts's discussion Hardware-in-the-loop for traditional helicopter drones in the group ArduCopter (traditional heli) user group"Have you looked at the hardware-in-loop for quad rotors? I think you would be able to find or create a flightgear traditional heli model that would work and then be able to adapt the code. I haven't tried to do hardward-in-loop yet,…"
Graham replied to malcolm churn's discussion ArduCopter Traditional Heli (was: "600-size heli")"Glad to hear I am not alone :) I am using double sided gyro tape to mount my APM to a CF plate. Do you think the screws/washers would be better? Have you done both?
By 'sorting out' the main blades, do you mean you…"
Graham replied to malcolm churn's discussion ArduCopter Traditional Heli (was: "600-size heli")"Here is one of my log files. Note that all of my logs show the same behaviour. The z-accel changes from 9.8 to 5 and the signal gets very noisy after the motor is spun up."
Graham replied to malcolm churn's discussion ArduCopter Traditional Heli (was: "600-size heli")"I was telling you all earlier about the problems I had with drift (the heli would gradually roll or pitch more and more and would require more stick input just to keep it level). I haven't had a chance to fly it again or try the hardware…"
Graham replied to malcolm churn's discussion ArduCopter Traditional Heli (was: "600-size heli")"No nothing else changes. All you have to do it recompile the code with support for just one type of GPS and it fits (just barely). My APM_Config.h looks like this:
#define GPS_PROTOCOL GPS_PROTOCOL_MTK16#define MAGNETOMETER…"
Graham replied to malcolm churn's discussion 600 size heli"The APM is mounted to the heli with gyro mounting foam tape and no screws. How do you mount yours?"
Graham replied to malcolm churn's discussion 600 size heli"Thanks John. Might not have time to try this out for a few days, but I'll let you all know how it goes!"
Graham replied to malcolm churn's discussion 600 size heli"John,
Thanks for the info. What would I change in system.pde exactly? Could it be that vibration or interference of some kind makes this problem worse?
"
Graham replied to malcolm churn's discussion 600 size heli"Turns out I can include logging and still run it on the 1280! Unfortunately my problems returned today. On nearly every flight I had a significant bias build up in the elevator and aileron control. ie. I had to give it more and…"
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- About Me:
- Electro-Mechanical engineer from Vancouver, Canada.
- Tell us a bit about your UAV interest
- Just got into RC helicopters February 2011. Looking to get a stable aerial video platform going using a TRex 450 clone.
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