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03-01-2012, 03:59 PM | #41 (permalink) |
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Join Date: Jan 2012
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It would be nice if someone else on here had a devo 7 and the pre programmed settings that came with the tx then I could try those settings and see if it fixes the problem
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03-01-2012, 04:12 PM | #42 (permalink) |
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Join Date: Oct 2010
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I just found this 3 part video telling you how to set up the Devo 7 with the gcp, It might be worth it to keep what you have now, but create a new "model" in you D7 and follow this step by step. I think he has his own curves (not from the gcp manual) but it would be interesting to just save what you have now and try it from scratch (again) but this time you might see something he does that you are doing different.
http://www.youtube.com/watch?NR=1&fe...&v=Fx4PC83qdWM Good luck! |
03-01-2012, 05:47 PM | #43 (permalink) |
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Join Date: Oct 2010
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I noticed that at the beginning of part-2 he says you must tweak the "Travel Adjust" on the Pitch to something much lower than 100% default setting. In his example he cranked it all the way down to 70%. This is something that they don't say to do with the Devo-6 and it would make a rather significant difference in terms of the amount of pitch. Since you said it acted like too much pitch, this setting would certainly cause that if you left it set to 100.
Let me know... |
03-01-2012, 06:54 PM | #44 (permalink) |
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Join Date: Jun 2009
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If your running your pich curves to -100 percent at low stick and +100 at high stick you will have to limit your travel adjust percent . Im running at 50 percent on travel adjust for both low and high pitch in the travel adjust . Also what temperature are you flying in ?
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03-01-2012, 09:13 PM | #45 (permalink) |
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I'm flying indoors so roughly around 69 Fahrenheit and I Also have pitch h and l to 50% under trvad
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03-01-2012, 09:52 PM | #46 (permalink) |
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Join Date: Oct 2010
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Did you try entering a new model from scratch yet? I can't remember which forum, but I remember reading about someone having a problem they couldn't fix and when they entered a new one from scratch it worked perfect. They deleted the original because they (he or she) couldn't find anything wrong. It wouldn't be the strangest software bug I've ever seen, where a setting is corrupted but looks normal to the user and trouble for the data-stream to the bird. It is all very complex and while I have no idea if anyone has had this problem with the D7 it doesn't mean it can't happen. Maybe you got struck by lightening while hovering in your basement in the winter. Again, very common in Canada right? Seriously though after all the posts and all the help we all are groping a bit at this stage because normally a post like this would never be that complicated.
My recommendations would be to make sure the version of software on your radio is current. I know it was working fine before all this happened, but if there is a glitch in the code that caused it to quit working when you were trying to get bird #1 back in the air, and thus bird #2 acts the same. Just a wild guess. If the firmware is current, then proceed to enter a new model from scratch. If it doesn't work after that, I might be tempted to send the xmitter and the new bird (#2) back to Wow or whomever and have them take a look at it. Maybe someone else has other ideas that might help, but you have been grounded too long. I hope your sim still works at least. Speaking of sim, you should have a seperate model setting for the sim too but I'm not really sure why. Everyone recommends it. Anyway, what do you think? Are you up for this last gasp? Let us know... Good luck. |
03-02-2012, 06:24 AM | #47 (permalink) |
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Join Date: Jan 2012
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Do you know if the devo firmware can be upgraded throught a computer and I could try resetting all my models back to default is that what you mean ?
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03-02-2012, 07:21 AM | #48 (permalink) |
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Join Date: Jun 2009
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You might try setting up a throttle curve to 100 percent flat and pitch curve linear and see if it works .
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03-02-2012, 08:53 AM | #49 (permalink) |
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Join Date: Sep 2011
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Already tried that.
JB, Did you try to create a new model with all new settings yet?
__________________
// T-Rex 600EFL Pro 3GX // T-Rex 450 Pro V2 3GX // T-Rex 250 Pro DFC 3GX // // Walkera V120D02-S (x2) // Walkera V120D02 // Walkera Genius CP (x3) // // EFlite Blade MCPX (x2) // EFlite Blade 120SR // E-Sky Belt CPX // // WK2801 // Spektrum DX4e // |
03-02-2012, 09:06 AM | #50 (permalink) |
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Join Date: Jan 2012
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I will try later Im at work lol
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03-02-2012, 09:46 AM | #51 (permalink) |
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Join Date: Feb 2012
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If the throttle is at 100% and it still bogs down, either the max pitch has to be too high or, the motor is crap or, the motor is not getting enough current to drive it.
At some point between 0 and 100% pitch, it would seem to have to have normal flight no matter what. Even if the max pitch was too high, the thing should launch through the roof at some point before it would bog down as one eases the throttle/rudder stick up, no? Also, the likelihood of two motors on two different heli's of two different ages both being crap would seem unlikely, right? What other possibilities are there? |
03-02-2012, 03:04 PM | #52 (permalink) |
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Join Date: Oct 2010
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jb 1024,
Did you also get a 2nd charger when you got the BNF? The only reason I ask of course is that if you didn't, and you only had one to start with then this would possibly be a 2nd thing (besides your transmitter) in common to both birds. I don't know if anyone has ever had a charger that appeared to work but didn't so I would still think it would be a very slim chance but I thought I would mention it at least. If you have a volt meter you could easily check a battery after a charge and make sure it is in the 4.2V range. If you don't have a volt meter, swing by your nearest volt meter store and get one because you have to have one. |
03-02-2012, 11:16 PM | #53 (permalink) |
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I've tried Setting up a new model from scratch still have the bog but I'm beginning to think I have a few bad batteries I'm only getting about 30 or 40 seconds hovering with some batteries and 1 minute and a half on the newer batteries but from what I've read a on some posts I should be getting about 3 min flight time right ?
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03-03-2012, 08:07 AM | #54 (permalink) |
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Join Date: Jun 2009
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Also are you breaking in your batteries . I use my hyperion charger to charge at 1c and discharge at no higher than 4c for 5 cycles before I use them in heli . Just a thought
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03-03-2012, 08:24 AM | #55 (permalink) |
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Join Date: Dec 2011
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When I had power issues it turned out that my fixing collar had slipped a little without me noticing. Even a few millimeters can have a huge impact on pitch. If you haven't already, make sure there is ABSOLUTELY NO VERTICAL PLAY in the main shaft. Then make sure blade pitch is spot on. Indoorheli at rcg made a good video for doing this with the mcpx (search youtube for "Mcpx 0 pitch setup").
Also check wires are not frayed where they are soldered onto the board. I always hot glue mine as that is a weak point with walkera rx's. Guess it could also be bad batteries or a bad motor. |
03-03-2012, 09:56 PM | #56 (permalink) |
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Join Date: Sep 2011
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I don't think it's very likely that you have that many bad batteries in a row, but... stranger things have happened.
Is there a local hobby shop you may be able to visit? Maybe they can shed some light on the bird after a hands-on approach.
__________________
// T-Rex 600EFL Pro 3GX // T-Rex 450 Pro V2 3GX // T-Rex 250 Pro DFC 3GX // // Walkera V120D02-S (x2) // Walkera V120D02 // Walkera Genius CP (x3) // // EFlite Blade MCPX (x2) // EFlite Blade 120SR // E-Sky Belt CPX // // WK2801 // Spektrum DX4e // |
03-03-2012, 10:06 PM | #57 (permalink) |
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Join Date: Feb 2012
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Looking for similarities between two birds of different ages displaying similar characteristics, the TX is one, but very unlikely at this point, batteries are another although again, unlikely due to multiple batteries displaying the same results.
On the other hand, what do all the batteries have in common? The charger. I don't remember, has the charger been ruled out as a possible cause yet? The charger that came with my V120D02S is not bad, batteries are charged to 4.21 volts consistently. On the other hand the charger that came with my Mini-CP, although convenient because of its size and ability to charge two batts at once, charges to a considerably lower capacity. I'd initially charge on the Mini's and then when it thought it was done, switch the batt to the 02S' to top it off. So, maybe a charger issue? If it hasn't been ruled out yet, knowing what voltage it outputs, un-loaded, may be of interest. |
03-04-2012, 09:38 AM | #58 (permalink) |
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Join Date: Jan 2012
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Ya I need to find a volt meter to check my battery voltage i think i have one some where and unfortunately I don't have any hobby shops that i can take the bird to for them to look at for probably 100s 0f miles
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