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    Understanding Lithium Polymer batteries

    They are Turngy nanotech 5000mah s4 packs.
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    Understanding Lithium Polymer batteries

    I have a couple of packs that have gone a bit puffy. Not sure why they are about 18 months old. I used one on the weekend and nearly crashed at the end of the flight. Fully charged and I had used 2750 mah from a 5000 mah pack. I have never gone past 4000 ma and most of the time 3500. Are my...
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    Compass calabration HK Mega Pilot 2.7

    All sorted now. Thanks for looking. Sent using fat fingers on the iPad thingy
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    MultiWii / NAZE / SP Racing F3 HK Mega Pilot 2.7 GPS issues I think

    After more investergation it seems that I have not used the external compass but the internal one of the FC. If I remove the jumper for the internal compass then I can not get the compass to calibrate at all. Any one got any ideas? EDIT. Well I do now. I figured it out with some help from...
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    MultiWii / NAZE / SP Racing F3 HK Mega Pilot 2.7 GPS issues I think

    I hope this is in the correct spot. Today I test flew my scratch built quad. Stabilze mode good. Alt Hold mode good Loiter mode the quad took off rolling to the right then pitching forward at an ever increasing speed. Flick back to stab and recovered got it nearer to me and tried again did the...
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    Understanding - (QuadCopter) Inputs & Electronics

    It is about doing calculations (or in my case trial and error). remember more cells in a battery then more weight therefore more thrust is needed and then you need to match the props to the motors. EG DJI motors say 3s use 10 inch props but on 4s use 8 inch. What lots of people do is make a...
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    Compass calabration HK Mega Pilot 2.7

    Hi all, I have been analizing my logs and have found this line in it that worries me a bit "Test: Compass = FAIL - Large compass off params (X:259.00, Y:-11.00, Z:35.00) No MAG data, unable to test mag_field" Now I have calabrated my compass in mission planner and hit all the points using...
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    Understanding - (QuadCopter) Inputs & Electronics

    You mist understand what the kv rating on the motors means. For each volt applied the motor will spin at the stated rpm. Therefore a 1000kv motor with 1 volt applied will spin at 1000rpm. if you applied 5v to the same motor it will spin at 5000rpm and so on. These are theoretical values and due...
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    Understanding - (QuadCopter) Inputs & Electronics

    Not necessarily. The FC and the Rx need 5v to operate. There are a few ways of achieving this. One is via the ESC that has a Bec in it. If you use this method only one ESC needs to have a BEC so you buy 3 without one and one with one. Or do what I do and buy them all with a BEC and disconnect...
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    Questions on gopro used with fpv

    What model Gopro? I have not had any luck with the silver 3 but my black 3 works well. Could that be it? Regards Crispy
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    Lipo charging on the go

    With the Honda you will have about 2000w @ 240v (Australian version) That means there is plenty of power to run a battery charger or 2. Figure out how Watts is needed to run your charger and factor in a safety margin and then you have your answer Regards Crispy
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    Lipo charging on the go

    I have charged from an Anderson plug at the rear of my car using a deep cycle battery that is mounted under the bonnet (hood) in my 4wd. My charger will run off 12v and at maximum draw is about 25a. My wiring is well and truly up for it as I installed it myself. When I finish charging I plug my...
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    Free to a good home

    If still available I will take it off your hands if you will post to Vic. PM me if ok for my address. Regards Crispy
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    Naza CSC for motors start/start seem inverted.

    Connect it to the NAZA assistant and when the stics are moved the slider should move the same way. For T if you push the throttle up you should see an increase to the right A push he stick left the slider should go to the left. E push up an it should increase to the right R push to the left and...
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    450 or 550?

    Well it might help if you can tell us what you want to do with your MR. for video the 550 will give more stability and a higher lift capacity. I started with a 450 with stock motors but have now upgraded to T-motors so I had enough lift for my setup. I hope this helps bit. Regards Crspy
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    Help! Naza Setup / Naza M V2 won't calibrate TX + generating "CFG-ERR"

    What about the latest firmware updates for the DX9 and NAZA? Have you got the correct NAZA software? there is a M (multi rotor) and H (Heli) version. Regards Crispy
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    Group Build 2014, DJI NAZA/F450 Quadcopter!

    You should be able to set up with that voltage but there us not much flight time in there so you would be wise not to be tempted to fly. Regards Crispy Sent from my GT-I9210T using Tapatalk
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    first build thread: lessons and learning to follow...

    Maybe the bump on the ground upsets the gyros or something an by stopping everything it gives it time to reset Regards Crispy
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    Group Build 2014, DJI NAZA/F450 Quadcopter!

    Just on a side note I noticed lots of people are waiting for it to warm up so they can fly. I am waiting for it to cool down so I can get out. Forecast here today is 41 c (about 104 f) and tomorrow I is the same. Regards Crispy Sent from my GT-I9210T using Tapatalk
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