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P4 Qtech Copter Rebuild

Started by Daniel Ugarte 13 hours ago. 0 Replies

Good morningI will like to know if somebody can help me to rebuild my P4 QTECH Copter.I got it from AliBaba a few years ago, and it never flew, casue de esc board burns every time I've tried to fly…Continue

How can I trigger Loiter_turn from a flight switch mode using APM3.12

Started by HOH. Last reply by HOH 15 hours ago. 2 Replies

Hi All,  Is there a way to trigger Loiter_turn from one of the flight mode? using APM 3.12I need to do this to take a smooth panoramic video.ps. I used to this using CIRCLE with radius = 0, this…Continue

APM 2.5 2.9.1.b throttles down and lands by itself?

Started by Angus Allen. Last reply by jose on Friday. 11 Replies

APM 2.5 Quad on firmware 2.9.1.b throttles down and lands by itself even while applying more throttle in stab mod? It throttles back and lands as if the apm is telling it to like in rtl mode but from…Continue

Tags: fail, problem, issue, 2.5, apm

Building Copters with Round Tubes - Stronger, Lighter, Easier to Mount Motors than Square Tubes

Started by Forrest Frantz. Last reply by Hugues on Wednesday. 488 Replies

Round tubes offer the following pros:handle twist better than square tubes.  Thus for the strength, are far lighter.are more readily available (pipes, tubes, arrows, kite frames, golf clubs and…Continue

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Comment by Shyam Balasubramanian on January 19, 2013 at 11:48am

Hi @Reto,

I have posted a similar question on Forum and later brainstormed and wrote a code. I think this is what you might need (will work for even APM 2.5):

Here you go!

Comment by Reto on January 19, 2013 at 11:42am

Hi all,
I hope I post my question in the right place.
Does anybody know if APM 2.5 easily could be configured to do time lapse photo trigger? Any input on that would be helpfull.

Cheers

Comment by Mark Goodell on January 18, 2013 at 5:48pm

Yes, I calibrated the ESCs all together then tried again individually.  Didn't notice any change after repeating this several times.

Comment by Daryl on January 16, 2013 at 5:05pm

@Mark;

Did you go through the throttle range setup to calibrate the ESC's to your radio?

Comment by Mark Goodell on January 16, 2013 at 5:23am

I purchased a quadcopter with Turnigy TY-P1 25amp ESCs.  I should have checked more before purchasing these as I see there are many negative reviews.  Has anyone been successful getting these ESCs to work on a multirotor?  The problem I am having is rotors are not turning at same speeds.  I have not found any way to program these ESCs via the transmitter.  Any suggestions are appreciated. 

Comment by Simone Chiaretta on December 19, 2012 at 9:13am

I'm finding that the pitch channel has to be reversed to have the quad behave properly (stick forward, pitch forward). Otherwise the quad will pitch forward when pulling the stick back, which imho is counter-intuitive.

Personally I think it's a bug, and so I added it as issue. But if for some reasons it cannot be fixed (apparently the reason is that both plane and copter share the same RC_Channel code) it would be a good idea to say it more prominently in the First Setup page of the wiki. At the moment there is a reference to the fact that you need low pwm to have pitch forward, but it's not very visible and not obvious.

Comment by Bradley J Carr on December 19, 2012 at 8:36am

Yea.  Maybe I will stick with my quad.  I haven't really mastered it yet.  Probably never will but I think I will stay with it and see what I can do.  Thank you Richard


T3
Comment by Richard Boyhan on December 19, 2012 at 8:34am
Hi Bradley,
The Hex is more stable and it can lift more weight. But the Hex is more work and expense. If you crash the Hex you have youay have more parts to replace. With Hex you have a bit more tuning since you have the extra motors and ESC. I own both a Quad and Hex. Both are a joy to work on and fly. If money is not a problem, go with the Hex. If you want to save money and learn, start with the Quad.
Hope this helps.
Merry Christmas,
Richard
Comment by Bradley J Carr on December 19, 2012 at 8:13am

I have a 3dr quad and was thinking of buying upgrades to get it to the hexa.  Are the hexa's more stable and little better to fly?  I was looking for some pros and cons.

Comment by Matt R on December 18, 2012 at 10:23am

Ditto on the same setup, 3DR Hexa-B, 11X4.7. I encountered the same clearance issue between two of the props. What worked for me was to loosen the two arms slightly, shift them apart, and re-tighten.

 
 
 

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