video: 10sA123 Buggy with eagletree inserts

[zeropointbug]

That is so cool othello! Looks like it's a pretty powerful setup in the buggy, looks like it roughly 1200watts that it pulls.

How are you charging your pack? Balancing?

[othello]

@lutach
Jazz Esc are tough little controllers. I had 2 motor failures (overheating and front bearing broke) and in both cases (massive Amp peaks) the ESC survived. I even drowned one while being active accidently and the next day it worked flawlessly. My jazz 80 did fine with my 8 Pole inrunner with RPM peaks of 40000 which was above its rated max rpm of 150000rpm with 2 pole motors. So i wonder what happened with yours ... a 6 pole motor should run fine unless you would rev it above 50000rpm. Well of course Amp draw could have been an issue since it (jazz 55) is designed for 65A surge currents. But i would expect the motor to cogg when drawing more then 65A. Hope you can fix it.

@zeropointbug
Yep ... there is more then enough power. At least more then the tyres can handle
My peak was around 1560watt. i had 7 peaks higher then 50A. The rest was below 45A. So yep ... between 1200 and 1400 Watt.

I ordered a Hyperion EOS1210 which should be at my place this week. First i used a regulated laboratory power supply which is able to handle 36V and 20A. After 1 month it gave up on me. In between i use a Robbe infinity 2 charger which has no A123 program. So i terminate charging manually at 36V. Balancing is no big issue with those cells, as they kind of balance themselves when charging. Safe terminating voltage is between 3.6v and 4.2v so i don't mind too much about balancing.

[zeropointbug]

1500 watts peak, that's good, I am getting over 1500 watts from a 7s1p pack, which I was surprised!

Too bad about your regulated power supply... I am using a BK Precision programmable PS unit, very good quality, excellent price too!

[lutach]

I hope Mike can have the PowerJazz with the Jazz car software. I will problably send all my Kontroniks to see if they need software update and a few to get fixed.

[crazyjr]

Originally Posted by lutach

I hope Mike can have the PowerJazz with the Jazz car software. I will problably send all my Kontroniks to see if they need software update and a few to get fixed.

So they are going to do car software? I been waiting on that

[lutach]

Mike from Kontronik said it should take 4-6 weeks and that's the last I heard from him. So it is possible if he said that.