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othello
HV basher
 
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Posts: 392
Join Date: Jun 2007
Location: Austria (Europe)
12.13.2007, 01:15 PM

You should see the same behaviour with forward/reverse mode as i'm using this mode with my jazz 55.

>After thinking about it for a while, for dirt track racing the brake-to-speed behaviour might be advantageous. Kontronik must have had a reason to program it like that - maybe they know something we don't.

True. I drove my truggy today on grass and never felt that it braked too heavely when i reduced throttle. It's only on tarmac where this behaviour can start to annoy me. I think it really depends how the car is geared, how much the car wheighs and the resistance of the motor when turned without actually applying current. The braking behaviour actually was more obvious in my lighter buggy than now in my truggy.

140F max with 80F ambient temp is nothing to get too worried about.

Interesting that your jazz v7 did not show the same behaviour. Seems to me it's only firmware related then. A downgrade should be possible, but to be honest it doesn't bother me this much ... A firmware up/downgrade would certainly take a good week at least (Austria is a neighbouring country to germany).


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; 12.13.2007 at 01:16 PM.
   
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