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Choosing ESC and motor for Short Course -2018 Edit*

Choosing a electronic speed controller(ESC) and motor for your short course (SC) truck can be challenging and its not always clear what is the best for you. There is plenty to choose from so we will go through the basics of choosing the right equipment.

The biggest factors here is the wanted speed and power but also the drive train and car affects what is good and what is bad.

2WD 1/10th

This is car that has the least requirements. Its easy on the ESC and any 60A controller can handle even 5 turn motors on this quite easily. Just make sure you have the right size pinion so the motor does not overheat. Any standard 540 size motor will fit.

- 8.5t or 10.5t is good for racing and bashing. By adjusting timing and pinions you can get even 50% more speed.
- 17.5t not so fast its great for beginners or younger drivers. LAter on timing can be added to reach higher top speeds, but the bottom stays still manageable.
- 5t-8.5t bashers dream, when you want too much power choose a motor that is under 8.5t

Remember that driving for extended periods or in rough terrain such as sandpits can damage your equipment, always make sure it runs cool enough. Its easy to check once in a while, if you can keep your thumb on the motor there is nothing to worry about. If its hot and you do not want to keep your thumb on the motor you are closing the limit. If you burn your finger its too hot :)

EZ-Runs are also splash proof and hold water and sand much better away from the electronics, they will last much longer in demanding environment. They are however not sensored so racers prefer to run sensored combos.

Good products to choose:
Hobbywing XR10 Justock 10.5T Combo

Or Combine Hobbywing Quicrun series ESC
Hobbywing Quicrun 60A Esc

and Motor by the wished power
Quicrun 17.5T
Quicrun 13.5T
Quicrun 10.5T
Quicrun 8.5T

And For 2WD bashers
Ezrun Combo With 4000KV 4Pole motor

4WD 1/10th

This requires much more of the controller due to the drive train being less efficient. a good rule of thumb is that any 120A 1/10th controller or a 1/8th controler will be enough. Also some cars tend to be very heavy just like the 1/8th cars

For motors there is 3 type of motors to choose from. 540, 550 and 4 pole size. The 550 is just a longer 540 motor, they tend to heat a lot and are not that great for longer periods of driving. Mostly used by racers who only drive 5 minutes at a time. The 4 pole pro4 motors are excellent for this class, they have more torque and can take a beating even if the car is heavier.

Racers should prefer to have 1/10th controllers such as the Hobbywing XR10 Pro paired with a 540 size or pole 4 motor. The 540 size is ok in 2.5kg cars such as the Hobao or TeamC, but heavy cars (3.5kg) like the Losi or Tekno a 4 pole motor is a much better investment. The 1/10th controllers requires you to have the gearing and adjustments done properly and the measurement of temperatures. Also make sure you do not have any problems with your drive train such as a broken ball bearing. The controllers will hold fine just as you know what you are doing.

The Hobbywing XR8 SCT controller is a perfect match for anyone who likes to bash and drive for longer periods of time. The controller is a down sized 1/8th controller and it can take upto 4s of power and will have no problem powering your Losi or Tekno with a 4 pole motor in the sand pits with paddle tyres. Its also a good controller for a 1/8th off-road buggy converted to electric.

540 sized motors:
6.5t for racers
8.5-13.5t for beginers to keep speeds down

550t
Can not really recommend any, 4 poles are always better

4 pole
3400kv racing on smaller or indoor tracks
4000kv for racers and bashers
4700kv for bashers, its too much for race tracks

ESC for racers:
Hobbywing XR10 Pro 160A Esc
Hobbywing XR8 SCT Esc

ESC for bashers:
Hobbywing MAX10 SCT

Combos:
Hobbywing Ezrun MAX10 SCT combo with 4000kv 4pole motor

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We accept returns of new, unused merchandise within 14 days from the delivery. Please contact us at [email protected] to receive return information. The customer is responsible for any return costs unless otherwise agreed to with our customer service. We try to return the money with the same payment method that was used to pay for the order, if its not possible we make a wiretransfer. You can also request a gift card if you are making a new order to speed up the process.

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Always contact us before returning any product, we can not take responsibility for shipments that are sent without prior notice. Its very important that we can tell you how to mark the parcel so it will be processed in a timely fashion.

EuroRC Oy
Päiviöntie 8
12400 Tervakoski
Finland

[email protected]