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Old Mar 03, 2013, 10:19 AM
Ain't crashing often anymore
mikefromgermany's Avatar
Germany, Berlin
Joined Jun 2012
3,185 Posts
Quote:
Originally Posted by djdavies83 View Post
Hey mike, any idea what resistance they are? Have you installed any yet?
~1.3 Ohm
Installed parallel to OEM X4 and 720 Hollows from BG so a mix of three different motors running fine.
Just got the second batch I reordered for my new H436 Hybride.
-mike-
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Old Mar 03, 2013, 02:53 PM
We can rebuild it!
djdavies83's Avatar
United Kingdom, Wales, Swffryd
Joined Apr 2010
3,631 Posts
1.3Ohm? Wow that's low, the "hollow cup" are 1.8Ohm and the stock are 2.3Ohms, so you have 3 different motor resistances and it flies fine? That's good to know, I'll order some more of them then, my first pair arrived a day or two back.
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Old Mar 03, 2013, 05:58 PM
Sir Crashalot
stonecutter's Avatar
Joined Oct 2011
2,212 Posts
One of my front rotors came off mid-flight, and I caught it on video.

Hubsan x4 prop came off mid-flight (0 min 46 sec)
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Old Mar 04, 2013, 05:26 AM
I never finish anyth
United States, TX, Houston
Joined Jan 2012
2,585 Posts
I had one prop that came off anytime the throttle went above 75%. I was at work and dint have any spares on me so I made it into a game.... what can I do without going over 75%
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Old Mar 04, 2013, 07:26 PM
Hubsan X4 - H36 - V911
bangkomit's Avatar
Indonesia, Jakarta
Joined Oct 2012
1,139 Posts
My props will pop off only when hit something/crashing
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Old Mar 04, 2013, 07:40 PM
Registered User
Tucson, Az
Joined Feb 2007
6,534 Posts
New props came today and now X-4 is back the way it was. I like black and white props.
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Old Mar 04, 2013, 08:46 PM
Micro Menace
Joined Aug 2012
491 Posts
Quote:
Originally Posted by dankar04 View Post
New props came today and now X-4 is back the way it was. I like black and white props.
x2. I even ordered some Black/White for my 929.
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Old Mar 04, 2013, 11:20 PM
USAF Retired - 1968-1988
Jake8131's Avatar
United States, IL, Mascoutah
Joined Dec 2010
3,137 Posts
I used some white canopy glue on the bottom of each prop...doesn't come off in flight or crash, but will come off with a little force for replacement...them little buggers are hard to find.....get some neighborhood kids into your yard a offer a dollar or two for the kid who finds it.
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Old Mar 05, 2013, 08:48 PM
Registered User
Canada, QC, Montreal
Joined Apr 2012
57 Posts
Just want to share my hubsan TX settings to easily achieve banking turns and 8 figures, indoor with expert mode. Set all settings at 100% except the RUDDER at 50%. Simply amazing how this beast behave. Will post a video soon ;O)
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Old Mar 05, 2013, 10:45 PM
Got toys?
kenhiraihnl's Avatar
pearl city, hi
Joined Feb 2005
714 Posts
Thanks for posting. I got mine coming from www.massiverc.com.
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Old Mar 06, 2013, 05:38 AM
Step 1: Tear it apart
MassiveOverkill's Avatar
United States, FL, Melbourne
Joined Feb 2011
4,790 Posts
I've noticed that the X4 controllers have a less gerbilly version. This is after confirming the rates are set at default. Some controllers seems smoother while others are super twitchy. This is using the different controllers on the same quad.
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Old Mar 06, 2013, 07:47 AM
Suspended Account
Joined Jun 2012
988 Posts
spot the mods video information prize to anyone who can guess every mod done in the vid! be warned, some are "hidden"

Syma X41 "syma x1 hubsan x4" mini quadcopter wind tests N3M1S1S (5 min 43 sec)
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Old Mar 06, 2013, 07:59 AM
Tri-Quad-Hexa-Octo-copters!!
United States, TX, San Antonio
Joined Feb 2007
14,408 Posts
Hi MO,
Are you talking about the X4 Tx or the flight controllers? Are there version numbers associated with your observations?
Cheers,
Jim
Quadrocopter and Tricopter Info Mega Link Index
Quote:
Originally Posted by MassiveOverkill View Post
I've noticed that the X4 controllers have a less gerbilly version. This is after confirming the rates are set at default. Some controllers seems smoother while others are super twitchy. This is using the different controllers on the same quad.
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Old Mar 06, 2013, 08:02 AM
Eye to the sky!
jason4207's Avatar
United States, NC, Concord
Joined Dec 2012
1,373 Posts
Quote:
Originally Posted by djdavies83 View Post
1.3Ohm? Wow that's low, the "hollow cup" are 1.8Ohm and the stock are 2.3Ohms, so you have 3 different motor resistances and it flies fine? That's good to know, I'll order some more of them then, my first pair arrived a day or two back.
I thought someone mentioned earlier that you have to measure resistance while turning the motor, and take the average Ohm reading. Not doing that could explain these very different readings.
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Old Mar 06, 2013, 08:13 AM
Tri-Quad-Hexa-Octo-copters!!
United States, TX, San Antonio
Joined Feb 2007
14,408 Posts
Hi J,
That is true. Also older motors will tend to have that slight amount of more resistance due to carbon build-up on these tiny brushes. So you need to do resistance comparisons with new motors. The slower and poorer performing coreless motors micro Kv motors(~10,000 or less Kv) generally have resistance in the 3.0 or greater range. The motors with >20,000Kv usually have ~2.0 Ohm.
Cheers,
Jim
Quadrocopter and Tricopter Info Mega Link Index
Quote:
Originally Posted by jason4207 View Post
I thought someone mentioned earlier that you have to measure resistance while turning the motor, and take the average Ohm reading. Not doing that could explain these very different readings.
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