WARNING to TradHeli users:
Do not attempt to fly AC3.3 until you hear otherwise from me. I have not even bench tested it yet, let alone test flown it. There are quite a lot of changes that have gone in that could be crash-o-matic for helicopters.
AC3.3 release for Tradheli is likely to be delayed.
This post will serve as the official release progress thread for TradHeli.
Warning: DO NOT FLY RC6! It has a critical bug that will likely end in a crash.
Warning for RC5:
RATE_YAW_FILT_HZ param will change defaults from 5Hz to 20Hz to be more suitable for helicopters. If you have never changed this parameter from 5 before, then it will automatically update the value to 20 without warning. This much faster filter will probably require reduction in your P and D terms, and the yaw may oscillate badly. Be prepared to retune these. As a safety measure, probably cut them in half for your first take-off.
Warning #2 for RC5:
I accidentally broke the Landing Detector. It will probably never trigger. You should land in Stabilize mode, or be prepared to shut down the motor as soon as it touches the ground in Alt_Hold, Loiter, Auto, etc.
Replies
Hi Rob,
I can try it on a 550 and a 700 class heli, but it's still 3.3rc-10 in the download area. Where can I find the new software - is it the latest master ?
No, I've got it in a branch. I'll attach it here tomorrow *for bench testing only*.
Hi,
I tried ACRO_TRAINER=1, ACRO_BAL_PITCH/ROLL=1.
Left aileron stick input, swash follows, stick center, swash goes back to level.
Right aileron input, swash follows, stick center, swash does not go back to level.
Nose down elevator stick input, swash follows, stick center, swash goes back to level.
Nose up elevator input, swash follows, stick center, swash does not go back to level.
Do I have a 'special effect' or is it a bug ?
That sounds like a bug to me. I'll try to look into it, but essentially that is Leonard's bit of code I think.
Hi Rob,
I am looking to build a trad-heli,
Now i see your new release i would like to try it out.
I scanned the documentation and see a TREX 450 is suggested and i see on forum goblin 380 is mentioned
what are your suggestions for a first electic heli to use ?
I had a gas Heli many years ago, been building multis for over 18 months.
Thanks.
David.
Hi David,
evaluate Protos 500 it's not so bad it work very well not so much vibration see my last post
http://diydrones.com/profiles/blogs/the-first-drone-helicopter-enti...
Best
Roberto
Hi Steve,
E-stop and Interlock are not really options for heli. Basically, Interlock is forced to be true, and forced to be on Ch8 input. The gas motor code, has it such that if you are disarmed, the engine throttle will move to the Closed position. When you arm, with Ch8 Low, it will move to Idle position. When you set Ch8 high, throttle servo will begin operating on the 3-point curve for open-loop throttle control.
I think I can add a Engine-Run-Enable Auxilliary function easily for 3.3. This is a good idea. Basically, you would set one of the RCn Functions to Engine-Run-Enable. When disarmed, the PWM of that channel will go low. When armed, the PWM of that channel will go high. This will easily allow usage of a gas engine ignition kill switch.
Is this what you're looking for?
Just a question, if it uses an AC to DC converter, isn't it an alternator, not a generator (or at least an AC generator)?
Hi Steve, I actually added an official kill switch function for 3.3. Actually, it's called Motor Run Enable. It's just another Aux Servo Output function. You can slave it to any output. It simply sets PWM at min for that channel when disarmed, and then max when armed. I think this should be sufficient to trigger an ignition system?
Thanks, I actually just sourced the parts myself last week. :)
You shouldn't be able to start the motor, as the servo should be fully closing the throttle?
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