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jzemaxx
RC-Monster Aluminum
 
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Posts: 944
Join Date: Jan 2008
Location: huntsville, AL
03.04.2008, 05:47 PM

What is the amp draw rating on the KB45 8XL???

Also if it only has a max of 40000rpm why is it rated to 36V max, when the 1700KV and 36V's places the motor over 60000 rpms? Another thing is according to the specs with the voltage rating and max watt rating what they are the motor is a nice 100amp draw motor,unless the specs are off somewhere.
   
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BOOGIE444
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03.13.2008, 01:11 PM

Well I bought everything this week should be here in the next week or two from hobby city.

I ended up getting....
Turnigy 100amp HV esc
Zippy-H 4000 mah 25 / 35c lipo
And a KB45 8XL from offshorelectrics.com

I wanted to get the korean made zippy-R but they were all out of stock, but the 4000 mah pack should work good as its constant current rating is at my esc limit and the burst is far above my esc's burst current so I should be good to go.

I think next time I will go A123 though, maybe have battlepack.com make me a 6s pack in the near future.
   
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BOOGIE444
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04.14.2008, 05:04 PM

Just a update for you guys....

I tried out my savage with the turnigy HV esc and a feigao 7XL I had laying around with a zippy 4s 4500mah 21c lipo and it kicked some major butt. Yes the turnigy does have a soft start to it which I kind of like. Anyway I was either using a 16 or 18T pinion with the 7XL and the top speed is about the same as when I was running a axial .32 nitro engine in it.

Wheelie's are still possible with this setup but also avoidable too if your smart with you trigger finger. Anyway I am very impressed with the turnigy esc, lotta bang for low buck.

I plan to install my kb45 8XL in the next day or two and try it out with my 4s and 6s batteries. I am starting to think that the kb45 8XL & 6s lipo will be way too much power after seeing this thing go on ONLY a feigao 7XL & 4s setup.

I will keep you guys posted....
   
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