17.5 vs 18.5 brushless in an scx10

[jebster]

curious if there would be much difference in speed between the two. would both provide reasonable wheel speed? i'm not looking for a racer, just something with good crawler power and the occasional burst of a little wheel speed. (have a 13.5 tekin redline. haven't even hooked it up yet because it isn't a novak crawler motor and i figure it will be too fast and not enough crawl.)

the motor would be paired up with my goat 3s and 2s lipo. stock scx10 gearing.

feedback welcome.

[jebster]

any recommendations? should i have posted in another forum?

[Solitude]

I have a Tekin 13.5 and a Tekin 17.5 The only difference that I slightly notice in them is the 17.5 seems to have a bit more low end. 17.5 had 14/90 and the 13.5 has 16/90 Gearing

[benoj]

if u have to use a goat3s you only have 3 complete motor options their 13.5t crawler and the ballistic crawler 18.5 & 21.5t. all their crawler motors have their 14mm rotor which imo slows down the motors way to much and isnt needed. if i were you i would get a cheap novak ballistic 17.5t with i believe the stock 12.3mm rotor and from novak get the ballistic crawler motor sensor board and swap it in, that way you can technicly use any novak ballistic motor with the goat and it will reconize it as a crawler motor

[Twisted Nuts]

I don't know how many of the Silver can Crawler motors you've owned but you are badly mistaken to think that they all come with 14mm rotors. The only ones that come with 14mm rotors are the "pick your build" Ballistic Crawler motors.
The 3S actually came with three different motors in silver can 18.5 which had a 12mm rotor. But just because they come with crawler motors doesn't mean you have to run them.
They come stock with 12mm. 14 is an option and it does not slow them Down it actually adds a little and gains a LOT of low end torque!
And I Do not like the ballistics
All of the Novak motors I have will absolutely spank Tekin motors in speed and torque!

And your not limited to motors on the 3S Novak. I've ran a vast selection of motors on my old goat 3S and had no problems with any of them.

[benoj]

Originally Posted by Twisted Nuts

I don't know how many of the Silver can Crawler motors you've owned but you are badly mistaken to think that they all come with 14mm rotors. The only ones that come with 14mm rotors are the "pick your build" Ballistic Crawler motors.
The 3S actually came with three different motors in silver can: 13.5, 18.5, 21.5 and none of which had a 14mm rotor. But just because they come with crawler motors doesn't mean you have to run them..

only the goat 2s came with silvercan crawler motors and only the 18.5t and 21.5t were available with it, the 13.5t was an option to puchase seperately, but you are right about them coming with 12mm stock.

Originally Posted by Twisted Nuts

They come stock with 12mm. 14 is an option and it does not slow them Down it actually adds a little and gains a LOT of low end torque!

the 14mm does slow them down because of the increased magnetic field, but does increase torque and will cause them to cog very slightly as well

Originally Posted by Twisted Nuts

And your not limited to motors on the 3S Novak. I've ran a vast selection of motors on my old goat 3S and had no problems with any of them.

you are limited to novak crawler motors if you want the crawler features of the esc, if you use any other motor without the resistor in the sensor board it will act like a novak havok (no drag brake or instant reverse)

i know all this from experience as i ran a novak 18.5t in my losi cc with a 12 and 14mm rotor on a goat 3s till it quit.

[hoghead5150]

i have a mmp with 18.5t ballistic crawler motor in my scx10. it's stock geared, and it's not real fast. plenty for my 9 year old daughter tho! if you have the throttle pinned and turn very sharp at all it'll just roll over. has great torque and crawls awesome tho!

[Twisted Nuts]

Novak has recently changed the motors that come with the 3S ESC's, now they come with ballistic's and 14mm rotors but when I purchased mine you cold get the silvercan crawler motor with a 12mm rotor with it as a combo
I was wrong about getting all three motors with it.



As far as resistors and what motor works with the Novak 3S Goat Esc, I ran a Tekin 13.5, Novak goat 13.5, 18.5, 21.5, ballistic 13.5, 11.5, 18.5 and a Duo 13.5 all from the Goat 3S.
None of which had the problems your describing. Maybe user program error or ESC error?
EVERY motor I have owned has had atleast 3 hall sensors and two resistors on the sensor board.
I have a bag of spare parts lying around if I need to take some photos to prove my point.
Btw running them in a LCC is a TOTALLY different world than what were talking about here.
How could you even tell you didn't have drag break anyway!?

when I put the 14mm rotor in mine there was a Speed and Very noticeable torque increase, and it was smooth as Silk with absolutely minimal cogging.

[AZrcdriver]

I never saw a 3S system come with the old SS Silver/Purple motors, they came with Ballistics. The Goat 2S came with the old SS style motors.

I own one myself.

The original post by Jebster stated he had a Goat 3S, which when hooked up to a Novak Crawler motor that only come in a 13.5, 18.5, 21.5 size have a resistor that activates the crawler mode in the Goat esc.

If you hook up any other motor Novak or not it will then act as a Kinetic (race) esc and not as a Goat esc with crawler settings.

So a 17.5 as stated will be a standard motor application not a crawler one.

The Goat systems had a setting to turn off the drag brake for use in the LNC and LCC with worm axles.

[Twisted Nuts]

Obviously you guys think im full of it so call Novaks customer support and ask them.

The Novak motors I have here all have the Same resistors in them as the duo's and Tekins. The ballistics on the other hand have changed 1 of the resistors. But it never affected the Dragbrake or instant reverse in my Old OG goat 3S.


TapaTalk on Iphone4

[AZrcdriver]

To answer you I am going to post sections copied right from Novak and highlight points you can seem to understand. (This is not to start a pissing match but to only clear the air)

Goat 3S and Ballistic's

Novak’s next-generation Ballistic motors have entered the crawling field. The high-performance Ballistic Crawler Brushless Motors – 18.5T (#361and 21.5T (#3619) coupled with Novak’s impressive Goat 3S Crawler Brushless/Brush ESC

the Goat 3S Crawler Brushless Systems – 18.5T (#302 and 21.5T (#3029) can tackle all crawling conditions with a simple stator switch. Because the crawler-specific hardware is located outside of the hand-wound stators, drivers can replace the stators at any time to properly combat any type of terrain or course.

Non Crawling application

But the versatility doesn’t end there, attach a non-crawling Ballistic motor and the Goat 3S will operate the same as Novak’s speedy Havoc 3S with forward, brake and reverse settings.

Rotor Size

The Ballistic Crawler motors also include a Crawling Sintered Tuning Rotor - 14mm (#5950).


Goat 3S web page: View Here

[Twisted Nuts]

Yes. You are right for current Data. But we were not talking about present time. You need to go back to the very first post and reread Everything then come down to our level and continue this discussion.

When the goat 3S first come out they came with an 18.5 SILVERCAN crawler motor with a 12mm rotor!
And you could use the same features with any Sensored brushless motor.

The info is no longer on their website but you can call and ask them and they will tell you the same!
I just got off the phone with them when I posted the previous message to make sure I wasn't dreaming





TapaTalk on Iphone4

[AZrcdriver]

I believe you are thinking the original Goat 2S system. (purple esc and silver/purple motor)

I put one of those in a buddy's LCC and when I built mine I wanted the same thing and that was when the Goat 3S had just came out.

I can scan the paperwork for the 2S if needed.

The 2S is no longer listed on Novak's site even in the discontinued section.

I didn't want to order one as I was doing a build in a hurry and one of the local shops had the 3S in stock with a 21.5 so that's what I used.

They had the Ballistics's not the old SS style motors.

[Twisted Nuts]

So now your saying Novak is wrong!
I'm talking about the Novak Goat 3S! It originally came with a silver can motor, with a purple identifying ring.
Call Novak and speak to customer Service.
Argument over.


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