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BL-Power
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01.31.2008, 08:48 AM

The packs are wired in series for 8s 2500mah. You can also see the pics here: http://picasaweb.google.de/Brushless...xxasRevoSetup2

The red chassis is really nice, i bought the Revo as a roller from skellyo before Christmas. I'll make a small video soon, but here in Germany it is raining since yesterday evening....

The Kontronik/Tunigy combo is really cheap but working so great that i'm thinking about buying a CRT.5 and convert it also using a Turnigy Outrunner and a Kontronik ESC. I've never had a setup that ran that smooth.
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lincpimp
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01.31.2008, 11:04 AM

I like the idea, kind of like Sikeston34m's original emaxx trannys. What would you say your top speed is on this, and what is the motor kv? I may have found a use for my knotronik jaxx esc that I have. It is the 40 amp model and will handle up to 25v, so it would be a good 6-7s controller. I may have to try something like this, for my racebomb chassis emaxx.
   
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lincpimp
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01.31.2008, 11:12 AM

This setup is not slow, check out the calc:

Differential Ratio: 2.8461538461538462
Transmission Ratio: 1.7222222222222223
Spur Tooth Count: 1
Pinion Tooth Count: 1
Total Voltage: 29.6
Motor KV: 500
Tire Diameter (inches): 5.75
Tire Ballooning (inches): 0
Motor Current Draw: 0
Motor coil Ω: 0
Spur/Pinion Ratio: 1 : 1
Total Ratio: 4.90171 : 1
Tire Circumference (inches): 18.06 inches (458.83mm)
Total Motor Speed: 14800 RPM
Vehicle Speed: 51.65 MPH (82.97km/h)
Effective Speed Rate: 1.74mph/V (2.8kmh/V)
Effective KV Value: 500

Definately not a slouch, thats for sure!
   
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BL-Power
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01.31.2008, 11:35 AM

Yeah, it is really fast and powerful. I can't go full throttle longer than one second because my Crime Fighters are balooning so bad that i can't control my car. Does anyone know some tires that don't balloon that much? The highest speed my GPS recorded was 69km/h. Your Jazz 40 should work really nice with an Outrunner on 6s Lipo.
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david lamontagn
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01.31.2008, 12:03 PM

Could you tell me how you can use a Jazz 55-10-32 controller on a monster truck???
55 Amps is not realy high, and you just use 14.8 volt.

Why all guys here try to buy top notch high amps controller like MGM 16018 if the little Jazz can run the revo.

And another question, can i use this little jazz with a Neu 1515 1Y on 4s li-po??????????
   
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skellyo
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01.31.2008, 12:09 PM

Quote:
Originally Posted by david lamontagn View Post
Could you tell me how you can use a Jazz 55-10-32 controller on a monster truck???
55 Amps is not realy high, and you just use 14.8 volt.
Actually, he's using the batteries in series for 8s, not 4s.
   
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othello
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01.31.2008, 01:26 PM

The Jazz 55 is quite capable and with 8s lipo (or 10s A123) it is able to push Truggys (see video in my signature) and monster trucks with ease. The Jazz 55 is speced at 65A burst for 15 seconds. It handles by far more when it comes to short impulses. I have quite a few eagletree records with amp spikes around 100A which translates to 2.5KW (on 10s1p A123).

Having 8s and 50A is comparable to 4s and 100A -> around 1400 Watt in both cases (when calculated with 3,5V per cell). With upping the voltage you won't need ESCs with super high Amperage capabilities.

On 4s the jazz 55 won't have the needed Amps for your Neu 1515/1Y (2200kv). On 8s lipo with a Neu 1515/2Y (1100kv) there wouldn't be a problem (this is the setup i will be running in the coming days as my Neu 1515/2Y arrived today).


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; 01.31.2008 at 01:33 PM.
   
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