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Thread: Castle Creations SV2 or Sidewinder SCT with two motors?

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Old 05-19-2011, 03:46 PM   #1
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Question Castle Creations SV2 or Sidewinder SCT with two motors?

Hello,
I'm looking to buy a new reasonable priced ESC and I think that the CC Sidewinder SCT or SV2 are in my price range...

But I'm driving a 1/10 MOA with dual 380 sized motors (it will be two HH TorqueMaster Mini 33T)...

I saw on CC web site that they recomanded to use them in quite lightweight rc models (SV2: 5lbs, SCT 6.5Llbs)...

Will the SCT or the SV2 be able to handle that?

Will I have a reasonably good drag Brake (could adjust it to 213% with my CC link).

Wont they going fry??Would I eventually be abble to use a cooler fan on it, because I already have one on my stock ESC that I could use...

Or should I look for something else, and if so for what?? Not to expencive

So a lot of questions and any advices would be great.

Last edited by Big Pitt; 05-19-2011 at 04:51 PM.
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Old 05-19-2011, 04:08 PM   #2
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Just grab a Holmes Hobbies BR-XL esc! no brushed motor limint! and is more crawler friendly than a sidewider as well it is tuneable via Castle link
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Old 05-19-2011, 04:27 PM   #3
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if only running 2 380's either esc will handle it if i can easily run a 540 16t on 3s with very little heat on my og sidewinder
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Old 05-19-2011, 04:53 PM   #4
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HH ESC are to expensive for me
At aroun 100$ plus shipping to Europe... way to pricey...
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Old 05-19-2011, 09:48 PM   #5
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Quote:
Originally Posted by Big Pitt View Post
HH ESC are to expensive for me
At aroun 100$ plus shipping to Europe... way to pricey...

Since those ESC. run a 3800 4pole motor in a slash 4x4 at about 40 mph, I'm pretty sure it would work in a crawler with 3 cells or less.
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Old 05-23-2011, 12:35 PM   #6
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I finnally bought a CC Sidewinder SCT and it should arrive within 2 weeks...
So I have the time to think about it and ask a lot of questions...

1°) On my stock ESC I have a fan, could I use it on the SCT??
If so, how should I wired it to the SCT, actually it has a really small plug and is pluged direcly at the right place on the ESC board...:


2°) Originaly the SCT is for only one motor, but I'm using two 380sized motors. How and what's the cleanest way to wire them to the SCT?

3°) Will the SCT work well with a Traxxas 2.4ghz TQ3 or TQ4 TX/RX (5 channels RX) combo?

I think it all for now...
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Old 05-23-2011, 12:46 PM   #7
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1. there is no plug on the side of the cc sct esc for your fan to plug into. the cc sct system comes with a fan and mount which you could mount on the esc with a little customizing. the plug that comes on the fan will plug into your reciever.

2. I dont know

3. the castle system will work fine with your traxxas tx/rx.
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Old 05-23-2011, 03:59 PM   #8
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i dont know necessarily the cleanest way to wire it but all you need to do is hook both motors + wires together and run them to the red wire on the castle esc and both motor - wires to the black castle wire (white is it doesnt have the newer firmware update on it)
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Old 05-23-2011, 08:07 PM   #9
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Quote:
Originally Posted by benoj View Post
i dont know necessarily the cleanest way to wire it but all you need to do is hook both motors + wires together and run them to the red wire on the castle esc and both motor - wires to the black castle wire (white is it doesnt have the newer firmware update on it)
No, shit no man, One motor has gotta spin backwards. When I wired my MOA up with a single SV2 I ran the red off the esc to rear + and the black to the rear -. I wired the front by splicing into the red off the esc and running it to front- and spliced into the esc black and ran it to front motor +.
Also you need the castle link to set the esc to brushed before you even turn it on or you will eff it up, not to mention you have to set your throttle curves and whatnot to make it act right on a MOA. The esc also needs to update itself to the newer firmware that changes the red to + instead of the white.

Last edited by It usually runs fine; 05-23-2011 at 08:12 PM.
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Old 05-24-2011, 01:26 AM   #10
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I understand everything until "the throttle curves"...
What's that and what and how am I supposed to set it "right"? (I have a castlelink)
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Old 05-24-2011, 01:34 AM   #11
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Quote:
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I understand everything until "the throttle curves"...
What's that and what and how am I supposed to set it "right"? (I have a castlelink)
I always start with linear which is a selectable default setting and adjust from there. It's all about personal preference. I like to crawl slow and technical, but like the wheelspin when I need it so I made mine a sweeping uphill curve thst lets the power on smooth and saves full throtlle for well...full throttle. It takes a little tuning to get it just right, It's going to shock you how much faster it will be once you install new esc.
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Old 05-24-2011, 01:36 AM   #12
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Would it possible to have a screen capture of that famous curve, with some explainations on the pic??
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Old 05-24-2011, 05:00 AM   #13
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Quote:
Originally Posted by Big Pitt View Post
Would it possible to have a screen capture of that famous curve, with some explainations on the pic??
This is a brake curve, but this is the shape you would be chasing on the throttle side as well.

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Old 05-24-2011, 06:30 AM   #14
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Quote:
Originally Posted by WIDELOAD View Post
This is a brake curve, but this is the shape you would be chasing on the throttle side as well.

I run similar for brake & throttle. I believe I go ~15% up & 30% across with the pointer so I have very little movement with early throttle & brake. Then it gets steep for wheel speed.
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Old 06-10-2011, 03:37 PM   #15
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So here we are...
I programed my SCT, but I still need to instal it.

I dont want to mess up my wiring.
Here is what I have with my stock dual motor ESC:


The stock ESC has 4 soldering posts, but the SCT only has 2 wires (1 red and 1 black, the white is not used)
From stock configuration, the motors does not have the wires with the same color soldered to the same pole.
So I don't really know witch wire is + and -...

Here you are, would some kind soul draw me a diagram with the SCT in the middle, the two motors, and the right wiring.

Help will be really appreciated.
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Old 06-10-2011, 04:11 PM   #16
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Basically take the drawing you have, but cut a set of connections to the ESC and join like colors together from the esc to the remaining motor.
Say you clip the ESC to front motor wires, just continue the blue & yellow motor wires horizontally (to the right) until they hit the remaining rear motor wires.
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Old 06-10-2011, 08:31 PM   #17
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Quote:
Originally Posted by Big Pitt View Post
The stock ESC has 4 soldering posts, but the SCT only has 2 wires (1 red and 1 black, the white is not used)
From stock configuration, the motors does not have the wires with the same color soldered to the same pole.
So I don't really know witch wire is + and -...

Here you are, would some kind soul draw me a diagram with the SCT in the middle, the two motors, and the right wiring.

Help will be really appreciated.
Dude.....it's way easier than you are making it. You need to splice into the esc's red and black and run another set of + and - off of them. Once you add your choice of connecters to to all 4 of the esc's wires( the original red and black and the two new leads you have spliced on) all you have to do is plug your motors up, if they are hooked up wrong it will be obvious because one axle will be spinning the wrong way, so switch until right.

Last edited by It usually runs fine; 06-10-2011 at 08:36 PM.
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Old 06-10-2011, 08:38 PM   #18
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Heres a link to a build thread where I put a sv2 in my redcat and you can kind of see in a few of the pictures what I'm talking about.
Project: Redcat in a bag
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Old 06-11-2011, 03:49 PM   #19
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Ok,
So according to what you say and what I can see in the CC manual:


I consider my front motor as the "single" motor, so red to + on the motor and black to - on the motor...and for the rear the exact opposite, red to - and black to +, like so:



If I'm right I will start my esc tranplantation tomorrow...
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Old 06-11-2011, 03:50 PM   #20
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Quote:
Originally Posted by Big Pitt View Post
Ok,
So according to what you say and what I can see in the CC manual:


I consider my front motor as the "single" motor, so red to + on the motor and black to - on the motor...and for the rear the exact opposite, red to - and black to +, like so:



If I'm right I will start my esc tranplantation tomorrow...
You be correct, now heat up the soldering iron......
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