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shaunjohnson
i pwn nitro
 
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11.10.2009, 05:45 PM

like i said...
i actually cut out the entire rear section, only leaving that vertical wall where the carbon fiber sticker goes....

then i used some washers and pop rivets to fasten a piece of bent roofing iorn to it. the washers spread out the force a bit.

overkill i know but i broke my first one where i did the same thing but with lexan.

hope you can re-enforce it somehow ;)
maby my method but do it on the inside of the body so you cant see it and leave the existing plastic there...just double it up, pop rivets look nice with washers too


E-revo 3.3 conversion, 249kv outrunner, 6s, MMM
the porthole from the noob world an here has been opened!! that's how i got in.
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mistercrash
Guelph, Canada, eh!
 
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11.17.2009, 10:43 PM

I'm having a little fun with my CBA II Battery Analyzer right now, I just analyzed a pair of NEU 5500 mah 2S lipos. From the results, it seems one of the packs (black graph) is failing me. And what do you think of the other one (red graph).

NEU #1 (in black)
Discharge rate: 10 A
Starting voltage: 8.36 V
Ending Voltage: 6.00 V
Total Time: 28 min. 48 sec.
Tested Capacity: 4796 mah

Neu #2 (in red)
Discharge rate: 10 A
Starting voltage: 8.43 V
Ending Voltage: 6.00 V
Total Time: 31 min. 56 sec.
Tested Capacity: 5314 mah



No brain, no headaches.

Last edited by mistercrash; 11.17.2009 at 10:56 PM.
   
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mistercrash
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11.18.2009, 11:55 AM

I just tested two Turnigy 5000 mah 2S packs and here are the results.

Turnigy #A1 (in black)
Discharge rate: 10 A
Starting voltage: 8.44 V
Ending Voltage: 6.00 V
Total Time: 30 min.
Tested Capacity: 4996 mah

Turnigy #A2 (in black)
Discharge rate: 10 A
Starting voltage: 8.44 V
Ending Voltage: 6.00 V
Total Time: 30 min. 29 sec.
Tested Capacity: 5076 mah



Here are the Turnigy graphs and NEU graphs overlaid for comparison.



These NEU and Turnigy lipos were not bought at the same time but they have similar use, the NEU lipos have 11 cycles more on them than the Turnigys. After the test, the Turnigys got recharged at ''store'' setting on my CellPro 10S with no problems. The NEU packs would not take a charge on the CellPro. I had to wake them up shall I say on my MRC 989, charging at 1 amp until they had about 1300 mah back in them and then switched to the CellPro and only then would they take a charge at the ''store'' setting. I'm a little bit disappointed at these NEU packs. Actually I'm very disappointed.

Any comments suggesting that the tests are bogus are welcomed
And please don't take this as a ''cheap lipos are just as good as expensive lipos''. This is not what it's about, I started using this CBA II thingy with the NEU lipos and I was surprised at their performance. So I thought I would try the Turnigys after, being a little bit afraid of what their performance might be. What can explain this? These lipos were used in the same truck, same gearing and settings, same racing and bashing conditions.


No brain, no headaches.

Last edited by mistercrash; 11.18.2009 at 12:17 PM.
   
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