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Slash 4×4 Crawler (Part 5) Fenders and Bumpers

February 10, 2020 by justin Leave a Comment

With the Jeep body painted, I just needed to add a couple more details…

Fenders

With the tires slightly wider than the TRX-4 249mm width, I wanted to make sure the Jeep body didn’t look too skinny. I found these rubber fender flares on eBay which were originally designed for a Cherokee XJ body, but would likely fit the JK Rubicon Unlimited just as well.

I left some of the lexan overhang on the fenders purposefully to attach these fenders.

[Read more…]

Filed Under: Cars, Electric Off-Road Tagged With: crawler, SCT, short course truck, Slash, Slash 4x4, Traxxas

Slash 4×4 Crawler (Part 4) Body

August 12, 2019 by justin 1 Comment

This whole project started on the basis of the Pro-Line Jeep Rubicon Unlimited body – it’s a beauty.

So how does this thing fit on a Slash and how do we make it look less like a short course truck?

[Read more…]

Filed Under: Cars, Electric Off-Road Tagged With: crawler, Pro-Line, SCT, short course truck, Slash, Slash 4x4, Traxxas

Slash 4×4 Crawler (Part 3) Powertrain & Tires

July 29, 2019 by justin Leave a Comment

With the width of the vehicle worked out, it is time to make it drive like a crawler.

To slow the Slash down to believable crawler speed I actually kept the stock gearing in place (19.23 Final Drive Ratio for the brushed 4×4). Then I added a RC4WD 1:3 Gear Reducer, which would change the final drive ratio to almost 60:1 – a popular ratio amongst crawlers and close to the TRX-4 low-speed setting.

The gear reducer is normally a bolt on part, but there were some tweaks I had to do to get it to fit the Titan 550 motor. First the receiver hole in the gear reducer is too small fo the 550’s standard 13mm bearing enclosure (the part that sticks out right before the motor shaft). Which is strange because the age-old Tamiya 540 motor also specifies 13mm for this part of the motor.

[Read more…]

Filed Under: Cars, Electric Off-Road Tagged With: battery, crawler, Pro-Line, SCT, short course truck, Slash, Slash 4x4, Traxxas

Slash 4×4 Crawler (Part 2) Width

July 15, 2019 by justin 4 Comments

Suspension Arms

The arms are going to be the single biggest difference maker when it comes to overall width. As part of my research I gathered a list of several Slash-compatible arms and their lengths. If you’ve got more arm lengths to add to that list, please comment below.

Bandit arms are 67mm wide, while the stock Slash 4×4 arms are 92mm. Just by making this switch we’re going to remove 50mm of overall width, bringing it from 296mm wide to potentially 246mm – less than the goal of 249mm. So we have some width we can add if need be.

Here you can see two sets of Bandit arms compared to the original Brushed 4×4 Slash arms:

[Read more…]

Filed Under: Cars, Electric Off-Road Tagged With: crawler, SCT, short course truck, Slash, Slash 4x4, Traxxas

Slash 4×4 Crawler (Part 1) Introduction

July 1, 2019 by justin 1 Comment

Can a Slash 4×4 transform into a trail-worthy RC crawler? I don’t think this is a new question, in fact Ultimate RC did something very similar with a Stampede 4×4 almost 10 years ago.

I took some of the cues from that build and wondered if we couldn’t do it even better. I don’t intend to keep it track worthy like Jang’s Chimera, but can we make it truly trail worthy?

Goal: Independent suspension trail-worthy truck

[Read more…]

Filed Under: Cars, Electric Off-Road Tagged With: crawler, Pro-Line, SCT, short course truck, Slash, Slash 4x4, Traxxas

Meatball Racing 3D printed products

May 6, 2019 by justin 3 Comments

We’re launching a new shop with some 3D printed RC products for sale. I got a 3D printer earlier this year because there’s always been parts I wanted (mostly RC related) that I would have to ask my cousin to print for me.

Then came wanting parts that no one else had made yet, so I spent over 10 hours watching youtube videos on how to use Fusion 360 to design my own parts.

The first thing on my list was a bumper mount for the Slash to hold a flag. Sort of the way monster trucks do:

Photo Courtesy K&N Filters
[Read more…]

Filed Under: Cars Tagged With: SCT, short course truck, Slash, Slash 4x4, Traxxas

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Meatball Racing

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