I would like to know when the copperhead system is going to be available? Will the vst10r esc run a tekin pro4 4600 motor with out heat issues?

That sounds like the sensor wire is not hooked up or faulty. These will not run without it.

Chris,
One thing to note, is that on a 2s lipo (max Voltage is 8.4v), you might not be reaching 20,000RPM. That being said, with my understanding of the Tekin, is that if you have 25 degrees of timing, but the motor is only reaching 17,500 RPM, that you are not getting all of your timing you have programmed in. Also, the "Turbo" function may not be working correctly with the top RPM set higher than a number higher than the motor can achieve.

I ran a RS in the past and had my best results on off-road running top RPM in the 13-14,000 RPM range.

On the Tekin site, they have a setup sheet that Kevin Gahan wrote, which is for a Losi 22 Buggy, but you could reference his timing and gearing information. Kevin is the Losi Race Team manager, so I would think it is pretty legit. FYI - a TLR 22 with a 76 spur will have nearly the same roll-out as a XXX-SCT or the SC-R with a 84 or 86 Spur. He is in Full Sensored mode, 3,500 start RPM, 18,000 finish RPM, with 50 Boost.

You can always feel free to contact Viper Tech Support at (866) 206-8558 also.

Wow- I take the night off and everyone asks me questions -- sorry guys.

Jay it does sound like a sensor wire or a cold solder joint on one of the motor wires - change the sensor wire first. No matter what brushless speed control I have used current or past - its almost always the quickest fix.

Chris - I think Dave has you on the track you need. I actually never used a Tekin RS speedo, so I really can't reference how their functions work.

For me I normally try to start with something recommended (the set up sheet that was mentioned) and experiment a little from there. Everyone likes things a little different - that is what makes this hobby so unique.

slasn - I have not used that Tekin motor before - if it is a sensored motor it should work with the VTX10r. Gearing, setup and drive time will determine if there are heat issues or not. Remember if you have a set up that only reaches 150º after 6-7 minutes, it will be higher if you try and run for 10-12 minutes.

Nikkos and the FatKid THANK YOU! I didn't realize the sensor wire had to be used. New to this set up, but that was it. It's all programmed and smoooooooth in My dex410v3 that's already half tresrey. Can't wait for new track to open in two weeks.

I run tekin electronics.

I'm sorry to hear that.

Hi guys,

I just got in from running my RB5 at the local indoor carpet offroad track. I'm very happy with it except for one thing.

I seem to be lacking low end grunt. It is VERY smooth in the corners ect, but that might also be part of teh problem. As much as I love the smoothness, I have little low end torque. The current layout has a long double after a 180* turn. If I don't come off the corner perfect and get a run at it, I can't clear it. Same with the table top / single. All the other guys running 13.5 can clear both easy.

Here is the set up that I left the track with. The best I could get it.

RB5 ( not sp or sp2 )

78T Spur
26T pinion

Brake

brk strength - 100%
brk PMW freq -4000Hz
brk curve - Linear

Drag Brake

Neutral Brk - 20%

Dynamic brk
Trigger RPM - 11000RPM
Max brk strength - 5%
Dynamic curve - Linear

Throttle

Thr PMW freq - 6400Hz
Thr punch - 100%
Thr curve - Linear
DeadBand - Narrow

Motor Power

Accel Boost
Start RPM - 3000PRM
Finish RPM - 14000RPM
Max adv timing - 30*

Top Speed Timing
Slew Rate - 20*/1000RPM
Max adv timing - 20*

MISC
Run Mode - Race Mod
Hole Shot Launch - Disabled
SBEC voltage - 5.5v
Forward power - 100%
Turbo timer - 10min
Batt cut off - 6.4v
Motor temp cut off - 190*F
ESC temp cut off - 220*F

I think that's it. Here is a quick vid of the current layout so you can see the jumps I'm having trouble with. The two smaller jumps after the wall turn have been taken out and the two larger ones have been spaced out. this is one of the problem areas I mentioned earlier. The other is the jump in front of the drivers stand. I can't clear the whole thing like you see the guys in the vid doing.

http://www.youtube.com/watch?v=6kIqY...ature=youtu.be

Thanks a ton guys.

Jamie - you may be over geared slightly. Try 24 pinion and if that doesn't help increase the timing to 35 and the boost to 25

I also noticed your drag brake is very high and that may affect how much momentum the car carries when letting off the throttle as you round the corner

Hey Bobby,

How's things?

I tried a few different pinions last night 21T 23T then the 26T. I found the 26T provided the best torque.

Top end to great, but I would like it to kick in sooner on the straight.

Thanks for the reply, I hope we get the chance to battle it out soon.

Hey guys a couple of days ago i asked for setup help about how to get rid of some of teh smootheness out of the speedo and what i ended up trying was turning th dead band off that made a world of difference in the car, the power was much more on demand. The tight high grip layout i run demands a lot of bottom end and amost no top, now i am still in need of a little more bottom should i go with some accel boost? I am running an 8.5 with the stock timing on the can, should i increase can timimng?

Increasing can timing will give you more overall power (bottom and top) but you need to consider re-setting the timing in the ESC also to help prevent over-heating

Try the following changes:

1 - Drop Throttle PMW Freq to 4000

2 - Drop T.S. Timing Slew Rate to 5-7/1000 RPM - You are asking the ESC to throw 20 degrees of timing over 1000, this is very, very aggressive and you might be making allot of heat in either the ESC or Motor for a short period of time. You may even want to just tune to 0 degree of TST for now and get the infield power working first

3 - Add 5 Degrees more accel timing

4 - Go to a 25T pinion with the above changes

What is your end-bell timing on the motor?

Carpet Off-Road can be a challange to get setup correctly. Make sure the slipper, diff, etc.... are not slipping. Also, in Carpet Off-Road you can have traction issues where the car can lack forward bite but not spin out. You could be smoking the tires and not knowing it.

End bell is stock (30*)