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othello
HV basher
 
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Posts: 392
Join Date: Jun 2007
Location: Austria (Europe)
12.31.2008, 10:20 AM

Not necessarly. 7s1p shall work too: 1400-1750 Watt peak ... more then enough. Runtime will be reduced though and depending on your gearing you will work them hard with your big motor. Even if you deplete those A123 in 5 minutes, they will take the "abuse" and still provide a few hundred cycles.

Here are a 2 videos of an E-Revo with centerdiff (needs thicker diff oil) with 8s1p A123 (they fit in the battery trays 2x 4s1p), Neu 1515/2Y (1100kv), MGM 14035. Spur 40 / pinion 18. Runtime between 7-9 Minutes. Recharge time 15 minutes.

Run on Grass: http://www.braintrust.at/2007/ds/rc/revo_wiese.wmv
Run on a track: http://www.braintrust.at/2007/ds/rc/revo_track.wmv


Brushless 1:5 custom 4wd Baja based on 1:8 truggy chassie
Jazz 55-10-32, Neu 1515/2Y (1100kv), 9s2p A123 (27v), up to 3.1KW
Latest video with eagletree Data inserts: Run on asphalt

Last edited by othello; 12.31.2008 at 10:23 AM.
   
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