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 Tested MMpro, LRP2500kv, 2s Acepow

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snellemin

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PostSubject: Tested MMpro, LRP2500kv, 2s Acepow    Sat Dec 11, 2010 12:17 am

I had some free time tonite and decided to test the MMPRO, with the Acepow and LRP 1/8 2500kv motor. I was surprised what I found.



Vehicle used is the FLM Rustler, geared 58/25 32P, Jaco foams.

The MMpro is a little monster for sure. I use the sensored only mode for this test. Timing increased set @ 10000 and 15000 rpm. Used 30 and 45 degrees timing.

Motor has the Castle 4mm connectors on 12awg wires. No fan used on the motor. Didn't want to upset BrainG. I think the motor is dead now.

2s 5000mah Acepow with true deans. I took out the fake one. I charged the pack once for this test @ 40A. I recharged the pack within 5 minutes after the first 30 degrees timing run was depleted.

Used Eagletree 150A.



First test was with 30 degrees turbo. Once the timing increase creeped in, the Rustler just takes off like rabbit. Setup was pulling around 90.68A@6.85V continuous. The low voltage pissed me off. Peak was 109.29A@6.82V.

Plugged the battery in the WhatAnut charger. 25% was left and stopped the charge at 98%, which came pretty quick at the 40A charge rate. 47A server power supply was the power source.

Second test was with 45 degrees turbo. I only saw a bit more speed increase. Voltage under load was 133A@7.08V I actually saw an increase in voltage under a higher load. The battery wasn't even warm. Peak was 147.93A@6.88V.

Now I'm thinking that the lower voltage in the first test was due to the packing sitting one the shelf for a week.

The MMpro didn't break a sweat really at the 45 degree timing run, which used 1941mah within 5 minutes. Motor was at 192F.






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PostSubject: Re: Tested MMpro, LRP2500kv, 2s Acepow    Sat Dec 11, 2010 2:52 pm

HAHAHA didn't wanna pi$$ off BrianG that's funny!!!!

Really good write up man. As usually.
That's cool to see those packs "wake up" after some cycles and with the 148.xx Amp peak I would agree the MMP is a little beast.
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snellemin

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PostSubject: Re: Tested MMpro, LRP2500kv, 2s Acepow    Sat Dec 11, 2010 10:44 pm

Tomorrow I'm going to run 2s2p A123 with the 30 degrees timing. I want to see what ampdraw that will pull.
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PostSubject: Re: Tested MMpro, LRP2500kv, 2s Acepow    Sun Dec 12, 2010 2:46 pm

Where's the update?
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snellemin

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PostSubject: Re: Tested MMpro, LRP2500kv, 2s Acepow    Sun Dec 12, 2010 4:09 pm

Not yet man. I am building a headboard for my daughters bed and building your battery pack.
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PostSubject: Re: Tested MMpro, LRP2500kv, 2s Acepow    Sun Dec 12, 2010 4:19 pm

Sounds like you got some legit excuses. I'll let you slid this time. lol!
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snellemin

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PostSubject: Re: Tested MMpro, LRP2500kv, 2s Acepow    Sun Dec 12, 2010 8:42 pm

Cycled your battery pack around 6 times. Charging at 20A and discharging at 40A.

Made a jig out of wood and foam.




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PostSubject: Re: Tested MMpro, LRP2500kv, 2s Acepow    Sun Dec 12, 2010 8:47 pm

is that marks batteyr pack or is that your daughters headboard ?

O.o
hahahahahha

JK NICE Jig there how well do those A123 do ?
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snellemin

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PostSubject: Re: Tested MMpro, LRP2500kv, 2s Acepow    Sun Dec 12, 2010 9:32 pm

The headboard came out nice and allready mounted onto the bedframe.

The beatup cells still hold a bit more than 2000mah. It took two cycles to wake them up.
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