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31 Aug 2019 20:37:03
Looking forward to BFU #9 footage  :D Hope you all had a great time
31 Aug 2019 04:46:44
Hope you all have a great day today at the BFU 9  :beer2:
29 Aug 2019 11:19:07
try again now, hopefully it should be resolved...
29 Aug 2019 11:17:40
Should be fixed now
29 Aug 2019 11:12:33
replies with only a few words are being rejected as file too big.. :hmm:
29 Aug 2019 11:09:33
3D Site also affected
29 Aug 2019 11:09:11
Gaza is on the case
29 Aug 2019 11:09:03
there are currently issues with the forum
29 Aug 2019 11:06:07
28 Aug 2019 17:28:19
Cheers Andy7.
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Printing 3d Forum

RC Timer brushless gimbal problems

Started by rickp, Tuesday,July 09, 2013, 11:55:49

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Suffering a bit with ';chinese quality control';. Got the typical rc-timer gimbal:


Most annoying is that the threads for one of the grub screw for the roll axis (into the clover-leaf mount) does not go all the way through *sigh*. The hole is there, but I can';t get it to grip the motor shaft. I don';t have a die small enough to continue the cut, *double sigh*.

Also annoying is that the roll frame has burrs on it, so the mounts to hold the pitch axis motor and bearings are not square. Easier to fix that the first one, but annoying anyway.

Anyone else having similar frustrations? I';ve not yet got to the electronics either! ;)


Had the same grub screw problems. I found a bolt of the same thread and longer than the hole. With a needle file I cut two "V" grooves in the end of the bolt thread so it looked a little like a tap. I then CAREFULLY wound the bolt in until it locked. A quarter of a turn further, no more then back it out half a turn, back in bit by bit until it clears the hole. It worked for me but I cannot be held responsible if the bolt should shear off! QC is not RCT';s strong point! :thumbdown:
Hubsan X4
DJI F450, Naza, GPS, DX8,
Tarot FY680 Naza, GPS, Hero3 Silver, 5.8 FPV with screen


Mine was exactly the same...sheared one bolt in the poxy thing, had to VERY carefully drill it out, and cut a new thread in a similar manner, very slowly and very carefull!  Got there in the end but wasn';t half cursing chinese quality control.

Just take your time, tweak it tiny bit by tiny bit.
Growing old is mandatory...Growing up is optional

FPV Guru
BNUC-S qualified


And I';ve still not got it working...  :angry:

Mainly due to lack of time I must admit!  :whistling:
Hubsan X4
DJI F450, Naza, GPS, DX8,
Tarot FY680 Naza, GPS, Hero3 Silver, 5.8 FPV with screen


So to solve my grub screw issue, I used a bit of a broken drill bit as a stub and the grub screw pushes that onto the shaft. Works well enough.
Filed the burrs from the frame and all is good :) assembled and loctite-ed and getting good results :)