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samwong
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03.07.2009, 05:54 AM

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Originally Posted by Countryhick View Post
Mainly heat build up in the ESC. as the kinetic energy of the car is transferred to heat via the ESC FET's. (some energy does however also go back into the battery)

I think there are pro and cons to both ways of braking.

That would be a problem.

Have you got any video yet Sam?
Here it goes....

http://www.rc-monster.com/forum/show...830#post267830

Last edited by samwong; 03.07.2009 at 08:41 PM.
   
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Countryhick
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03.10.2009, 07:29 AM

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Originally Posted by samwong View Post
Sam those video's are awesome.

Where is that track located? It looks great!

In the 5S vid you can really see the punch that thing has

Whats you next modification?
   
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samwong
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03.10.2009, 10:47 AM

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Originally Posted by Countryhick View Post
Sam those video's are awesome.

Where is that track located? It looks great!

In the 5S vid you can really see the punch that thing has

Whats you next modification?
Track is in Hong Kong... which mainly for 1/10 GP...as this indoor facility is very good, I test my 1/8 EP .... until satisfied .. then will go to another track and race with 1/8 GP.....

5S is my final target.. and I am now testing the gear ratio for safe-ride.....

Up-to-date test find-out is... 4S with 2350kv or above.. torque is not enough, some kind of mis-matching.... motor very very hot...

and 5S with Losi 2100kv gives a good balance between top speed and torque.... and now carefully lowering the gear ratio.....under motor temperature around 65 deg cel....
   
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strodedawg
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03.11.2009, 08:03 AM

i just got a nice used 960 08' with a ton of spare and decided to go either 4s or 5s and am not sure. have the speedpassion conversion and have a question. what about 2wd - ie.. remove the side belt and front oneway? less strain on the electronics, lighter and can mount the battery(ies) perpendicular to the chassis. i am thinking like a large 1/12th scale with an infinitely more adjustable front end. with 4s power it could be lighter and still handle well. i race 1/12th and they eat up touring cars. i admit the set-up would be crucial to making it handle well....bnut isn't that half the fun it would also be a cheaper set-up to run as it would less strain on everything and won't need those big packs. lmk what you think


let's build something sick!
   
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samwong
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03.11.2009, 01:36 PM

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Originally Posted by strodedawg View Post
i just got a nice used 960 08' with a ton of spare and decided to go either 4s or 5s and ....... big packs. lmk what you think
I am also using the speedpassion kit... with only one 2nd gear... I found motor selection is very important... currently 2100kv x 5S Lipo... still safe-ride...

I estimate... 6S 2100kv with 45S/19P would give the same speed as 1/8 GP...

   
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Countryhick
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03.12.2009, 07:07 AM

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Originally Posted by samwong View Post
I am also using the speedpassion kit... with only one 2nd gear... I found motor selection is very important... currently 2100kv x 5S Lipo... still safe-ride...

I estimate... 6S 2100kv with 45S/19P would give the same speed as 1/8 GP...

You got it sam! 6S with a 2100Kv. gives the same power as a quick gas 1/8th. I run a 2nd gear combo of 44S/20P (Pinions courtesy of Monster Mike) as this is what I run in my car.

I'm currently looking at changing my battery configuration to a 1200mAh 6S2P config. I believe I can make this all fit under the radio tray and have the pack slide out from one side. Now I just need to find some money

Last edited by Countryhick; 03.12.2009 at 07:27 AM.
   
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