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Old Apr 13, 2012, 06:06 PM
A different attitude to RC
extremewing's Avatar
Draper, Utah
Joined Sep 2008
2,781 Posts
It does look fine. I would just charge the pack at around 200ma and see how much it takes.
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Old Apr 14, 2012, 12:59 AM
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thecirque's Avatar
Cottonwood Heights
Joined Jul 2005
168 Posts
I put the battery pack back on the charger @ .2A rate. It accepted just over 200mah after 65 mins or so according to the charger.

Something isn't adding up.

Do I just go with it?

I thought about doing a discharge/charge cycle just to see what goes back in. What's an acceptable discharge rate on the charger?

Not sure what to do. Not feeling to confident in my home made
Pack.
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Old Apr 14, 2012, 02:03 AM
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JONBOYLEMON's Avatar
United States, UT, American Fork
Joined May 2002
17,132 Posts
Until you post the voltage its hard to tell whats up.

But 200 into the pack in 1 hour @ .2A charge sounds just fine.
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Old Apr 14, 2012, 02:15 AM
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thecirque's Avatar
Cottonwood Heights
Joined Jul 2005
168 Posts
If I check each battery individually. I show like 1.3xx volts which I believe is right. If I check the lead coming from the complete pack, I get 5.28

Just not getting why newly made pack would go dead in an hour and then only take 200 on charge.
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Old Apr 14, 2012, 02:40 AM
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JONBOYLEMON's Avatar
United States, UT, American Fork
Joined May 2002
17,132 Posts
Chicken dinner. All is well. Those voltages sound ok.

If one cell was way different that would indicate you cooked it in the soldering process. Also, did you sand the battery where you soldered it? If no, sand it ever so slightly so that the solder joint has a better grip. You dont want a solder joint to fail on something that has wings.
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Old Apr 14, 2012, 04:53 PM
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thecirque's Avatar
Cottonwood Heights
Joined Jul 2005
168 Posts
Well, here she is. I threw it in the rain till my Tx was sufficiently wet.... Still not understanding the battery issues, but... I'll keep charging and flying till she quits I guess.

Thanks for everyone's help and input.

Mike
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Old Apr 14, 2012, 05:03 PM
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JONBOYLEMON's Avatar
United States, UT, American Fork
Joined May 2002
17,132 Posts
She looks great! Just keep charging it and posting what is happening, but I suspect everything is just fine.
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Old Apr 15, 2012, 11:58 AM
A different attitude to RC
extremewing's Avatar
Draper, Utah
Joined Sep 2008
2,781 Posts
One more tip that is not in the build images: use colored tape over the extreme tape wherever it is exposed to protect from UV exposure. This prevents the extreme tape from yellowing and drying out over time.
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Old Aug 27, 2012, 11:22 PM
Registered User
United States, UT, Salt Lake City
Joined Aug 2012
20 Posts
Will a Hitec Superslim Rx fit in the Alula. If not, suggestions for a suitable 72mhz Rx. And what to do with the long antenna?
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Old Sep 01, 2012, 12:11 AM
BUZZ KILL
Plane Insane RC's Avatar
Utah
Joined Aug 2010
1,092 Posts
Just cut the antenna off. That will give you and excuse to get a 2.4 system.
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Old Sep 04, 2012, 07:00 PM
Planes in flames,,,
jetpackninja's Avatar
Gravity Sucks
Joined Aug 2010
3,571 Posts
You're so funny.
Remind me to smash my airplane into you at the sWARm.
You are showing up this time?
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