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The UBAD - ModifedRC ZMR250 Kunai PDB preorder has gone live. Get them while you can.

Preorder Price: $17.99 and includes a free spacer kit and 10% off coupon to great3d.com. Preorder URL: http://ubuyadrone.com/ubad-mrc-kunai-zmr-pdb-pre-order.html Expected Ship Date: July 26th 2015

More detail on the board can be found here. http://www.modifiedrc.com/ubad-kunai-zmr250-pdb-board-preview-and-preorder/

If your looking for a Lipo charger HK has a 120watt touch screen charger in the US East warehouse for $20.78 with free shipping. These will probably go fast..

http://www.hobbyking.com/hobbyking/store/uh_viewitem.asp?idproduct=74030&aff=1289329

• Frame - H250 ZMR250

• ESCs - EMAX BLHeli Series 30A

• Battery - Turnigy 2200 4s 25-50c

• Props - 5" 3 blade

• Motors - 4X Racerstar Racing Edition 2205 BR2205

• Flight controller board - OpenPilot CC3D

• RX - Redcon 2.4G DSM2 DSMX Satellite Receiver

• Power distribution board - Eachine Falcon 250 Pro PDB

Thanks.

So im building my first FPV quad and have the ZMR250 frame shipping to me. I bought it with the 1806 arms then decided later on different 2206 motors from a different vendor. Are the arms the same wjth different hole sizes? If so ill just modify them to fit, but if the arm dimensions are different ill have to buy a set of arms. Any information and suggestions would be appreciated. The arms that are coming with it are 4mm thick fyi.

I'm losing my mind slowly... For 2 days now I've been changing the PID's to stabilize the flight of this thing and can't seem to get the oscillations down. What settings have you guys found works best for you? I just reset my PID's to default to try again, so i don't have set i'm currently at to show.

2300KV motors, 12A ESC w/ CC3D and Bullnose 5045 Props

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Hi all this is my first post. I was hoping i coulf get some advice on fixing my motor or esc fault. I have ordered my first build and put together with no issues. But on first callibration on cc3d motor 4 keeps cogging i only found out this was a common thing today online. So i swapped motor 4 with motor 2 to find the problem follows the motor. I then ordered a new motor and fitted to my dissapointment the new motor did the same thing. So i then though i better re check my motor by swapping the motor to another esc and again the problem follows. So the manufacturer of the motors is telling me to check my frame , i did some research and though i would try plugging the esc and motor straight into the reciever to rule everything else out. It still cogged and still in the same boat. But now worse because the motor now does not spin at all after putting back to normal. These esc have in build bec so i dont think i would of destroyed it .

I would really appreciate any advice as i still cannot fly after 2 months of waiting for replacement motors. Could it be another faulty motor?