"I agree I had been using a 450 quad as a learning system for eventually building a heavy lift hexa. I started using a KK2 and got it flying well but never really dialed in. I installed the APM 2.5 with power module a bam! on first flight rock solid.…"
Larry Grimm's Discussions
Why are motors not getting full power from arducopter
Started this discussion. Last reply by Criterion-Industries Jan 25. 12 Replies 0 Likes
Arducopter is limiting the total power output of my hexacopter to 37 amps when it has the potential for 66amps when at full throttle.I bench tested many different motor and prop combinations to see…Continue
Tags: limited throttle, throttle trim, thrust test, more power, low power
6 Flight Modes Futaba 7C and Arducopter
Started this discussion. Last reply by Rick Jan 4. 1 Reply 0 Likes
How to program 6 flight modes into the Futaba 7C using Switch E for channel 5 and Switch A with a program mix with an offsetPIP video with Mission Planner on the Flight Modes Page and the Futaba T7C…Continue
Tags: turnigy 550 hexacopter, h550, hexacopter<, , futaba, 7c", futaba7c
APM 2.5 Arducopter is awesome Go for it! Its not as hard as it looks.
Started this discussion. Last reply by Andrew Sommer Feb 19. 6 Replies 0 Likes
I set up my first Arducopter APM 2.5 last week and had it flying in 6 flight modes by the next day.i put it on a 550 hex that i built a week ago with a kk2 controller on it. My only experience with…Continue
Tags: turnigy 550 hexacopter, h550, hexacopter<, , futaba, 7c", futaba7c
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Andrew Sommer replied to Larry Grimm's discussion APM 2.5 Arducopter is awesome Go for it! Its not as hard as it looks.
Martin Gornitzka replied to Larry Grimm's discussion APM 2.5 Arducopter is awesome Go for it! Its not as hard as it looks."You are so right about all the toughts before bying the APM :-) But also about the joy og seeing it fly. It took me 8 days of fiddling around with the Missionplanner and DIY Drones. It felt like planning a mission to the moon! Okay, I just…"
Criterion-Industries replied to Larry Grimm's discussion Why are motors not getting full power from arducopter"Ok, tested my new settings as I described previously setting the PWM limits. Flies fantastic now, lots of power and control. I had turned some of my P rates very high when it wasnt flying right, so I re-set them before flying again and am now…"
Criterion-Industries replied to Larry Grimm's discussion Why are motors not getting full power from arducopter"Yes, but only getting 50% of full thrust? To me that is unacceptable. Especially when the aircraft is not lifting anywhere near the payload it should. I would rather take the risk of losing some stability at the outer edges of the…"
Søren Kuula replied to Larry Grimm's discussion Why are motors not getting full power from arducopter"Hi, Please don't forget that when giving a multicopter full throttle, the motors should NOT all go up to full speed (as when their PWM input is connected directly to channel 3 of the rx).
If set up like that, there is no (upward) throttle…"
Criterion-Industries replied to Larry Grimm's discussion Why are motors not getting full power from arducopter"I realized looking through the Adv Param list that the APM assumes a PWM range of 1000-2000 for each channel. (there are some special cases like flight modes I think). At any rate, I modified my end points in my transmitter so that on…"
Michael Johnston replied to Larry Grimm's discussion Why are motors not getting full power from arducopter"Yep - as noted by Criterion the Max Throttle (Thr_Max) can be found towards the bottom of the Arducopter / Standard Params. I'm using current version of Mission Planner 1.2.32.
Hope this gets you up off the floor.
MJ"
Criterion-Industries replied to Larry Grimm's discussion Why are motors not getting full power from arducopter"This setting is at the bottom of the standard params page. Mine was set to 1000 which I am assuming is 100 percent. Will test amp draw again but not sure this will change anything.
There is also a thrust curve enable/disable. From…"
Michael Johnston replied to Larry Grimm's discussion Why are motors not getting full power from arducopter"My F450 was transformed into a ankle-biter after an update. It did my head in trying to work out why the machine could barely take off when at full stick.
My solution was to go into Mission Planner / Config / .... and because I haven't got a…"
Criterion-Industries replied to Larry Grimm's discussion Why are motors not getting full power from arducopter"Im having the same issue and would like to know what the solution is"
Brad Hughey replied to Larry Grimm's discussion Why are motors not getting full power from arducopter"This headroom value MUST be configurable, or the guys with larger ships are going to have issues (of course, no one has a craft as large as mine, but still...).
I just blithely updated my APM software when 2.8 came out, and never realized this…"
Larry Grimm replied to Larry Grimm's discussion Why are motors not getting full power from arducopter"Thank u for ur response, that make a lot of sense, when I fly aggressively in acro mode it sounds like it got tons of power in a sharp angled maneuver like reversing forward speed aggressively.
I hope someone responds with a solution to my problem.…"
Joe replied to Larry Grimm's discussion Why are motors not getting full power from arducopter"I am surprised no one answered your question.
Seems no one knows why this change was made in 2.8 or maybe it's all hush hush.
I am guessing it is for headroom to maneuver.
ARM you multicopter and lift one arm up, observe more power beyond max…"
Larry Grimm replied to Larry Grimm's discussion Why are motors not getting full power from arducopter"i flew the hex while tethered to my laptop by usb so i could log the current while flying, i attached that log file. There must be a way to unleash more power from arducopter. "
Larry Grimm posted a discussionWhy are motors not getting full power from arducopter
Arducopter is limiting the total power output of my hexacopter to 37 amps when it has the potential for 66amps when at full throttle.I bench tested many different motor and prop combinations to see which would be the most efficient for my arducopter hex 550.I decided to use 6 x 1000kv motors with 9x4.7 props which deliver 710g of thrust at 11amps each at max throttle.Why is arducopter limiting my throttle current draw to 37 amps when the max should be 6motors x 11 amps each = 66 amps. (see…See More
Rick replied to Larry Grimm's discussion 6 Flight Modes Futaba 7C and Arducopter"Larry,
Thanks for taking the time to document your procedures. I have a T8FG, and this is a great companion to the work James did initially. My T8FG has the latest firmware which came out after James posted, thankfully someone…"
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