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-   -   Viper RC - (https://www.rctech.net/forum/radio-electronics/455152-viper-rc.html)

smokinu 03-15-2011 10:16 PM


Originally Posted by ohiostatechamp (Post 8809244)
smokinu, have you tried raising the receiver voltage on the viper speed controller to help with the voltage drop due to the digital servo?

i have. i dropped it though from 6v to 5v the savox is just that fast.. its the 1258tg.

Chris, im free all damn day long you know where i live just drop by dude and you can get your sc tires then too.

i am not sure if you were being sarcastic on the solder.. but i do need a new iron.. saving up for one now!

Dlewis4 03-15-2011 10:16 PM


Originally Posted by ohiostatechamp (Post 8809244)
smokinu, have you tried raising the receiver voltage on the viper speed controller to help with the voltage drop due to the digital servo?

The voltage isnt what matters. Its the amperage.

jdegraff57z 03-15-2011 10:22 PM

Just makes me want one that much more when they release :D

smokinu 03-15-2011 10:22 PM


Originally Posted by Trevor Williams (Post 8809223)
that rear ballcup/turnbuckle isnt looking good.....Oh SnAp!

yeah, the guy that hit me on the back straight did a number to my car.
chunked idler gear and broke my ball diff screw.

and tore half my tabs off on the 13.5
http://i68.photobucket.com/albums/i3...c/100_5302.jpg

the right tab was worse with out solder on it. and the right side of the middle tab is bent up as well.

http://i68.photobucket.com/albums/i3...c/100_5303.jpg

smokinu 03-15-2011 10:26 PM


Originally Posted by mini-dub (Post 8809404)
Our esc's all use a very high current switching BEC and also feature a high current receiver cable. Standard receiver cables are 30 strand count, ours are 60 strand count. In other words I think you won't get any Spektrum brown outs even with that Savox servo. I run a Spektrum servo in my 2wd, which are built by Savox, and it works flawlessly :)

i tested it with out the cap was still having brown outs.

ill test raising the voltage up i can always add expo to the servo by my radio

mini-dub 03-16-2011 12:45 AM

The good news is you can order replacement solder tabs :)

Also, the load on servos remains pretty similar regardless of operating voltage because the demands to turn the wheels remain consistent. The current draw when running a higher bec voltage (say 6-6.5v) will likely be lower than when running a lower bec voltage (5.0v). Low voltage forces more of the servo watts to come from current draw, high voltage allows more of the servo watts to come from the additional voltage. Remember P=IV :tire:

macdude 03-16-2011 06:56 AM


Originally Posted by smokinu (Post 8809171)
you mean the spektrum cap? plugged in behind my rx? it stops brown outs from the savox servos. :nod:

Probably it is the receiver and not the servo. I have seen this pretty often lately. Now occasionally it is the servo but most of the time the receiver is just giving out. And Spektrum seem to be the worst.

SuperEk4 03-16-2011 07:44 AM

ordered my combo, wonder will it come with a free pit towel lol

smokinu 03-16-2011 12:28 PM


Originally Posted by macdude (Post 8810692)
Probably it is the receiver and not the servo. I have seen this pretty often lately. Now occasionally it is the servo but most of the time the receiver is just giving out. And Spektrum seem to be the worst.

i have 4 rx's no matter witch one i use from the oldest to the newest rx that i have witch is a few months old now.. it browns out with out the spektrum cap.

the savox servos are pretty power hungry and the spektrum rx dose not like to drop voltage

having that .2oz in a cap with some wire to know that my rx will never drop out of power is a key to my mind that gives me confidence on the track.
who likes to think that this lap my electronics might fail?

smokinu 03-16-2011 02:32 PM

Alright so i just changed the sbec voltage in the esc from 5.0v to 7.0v man that 1258 got fast.. i also have no more spektrum brown outs.. i held the car down and cranked the servo back and forth as fast as i can, and still worked flawless.

Lax Legend 03-16-2011 03:18 PM


Originally Posted by SuperEk4 (Post 8810885)
ordered my combo, wonder will it come with a free pit towel lol

Where did you order the combo from?

smokinu 03-16-2011 03:58 PM


Originally Posted by AEfactoryteam (Post 8812901)
Where did you order the combo from?

from the viper team.. hes a team driver.. at least i am under the impression that he is. :nod:

SuperEk4 03-16-2011 04:53 PM


Originally Posted by smokinu (Post 8813088)
from the viper team.. hes a team driver.. at least i am under the impression that he is. :nod:

Yes I m! N I m waiting for Sct motor also.

Dlewis4 03-16-2011 05:04 PM


Originally Posted by SuperEk4 (Post 8813348)
Yes I m! N I m waiting for Sct motor also.

Didnt know we were working on a S/C motor?

SuperEk4 03-16-2011 05:06 PM


Originally Posted by Dlewis4 (Post 8813391)
Didnt know we were working on a S/C motor?


Yes weylin told me they hv tested n will release soon


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