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LEGO models my own creation MOCpages toys shop A very angry 4x4 Rock CrawlerTechnic
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A very angry 4x4 Rock Crawler
A PF-powered Lego 4x4 rock crawler. 2 XL-motors for driving and 2 M-motors for steering. This has a Link Extension System L.E.S suspension, which gives superb articulation to axles compared to normal way of links are installed. A car Disney and Rovio should have done.
About this creation

Compared to Lego's own 9398 Crawler

Where Lego 9398 crawler has 1 L-motor on axle, this has 1 XL-motor and 1 M-motor roughly on the same space. Steering is just 2 axles and 3 gears.

This has a Link Extension System L.E.S, which gives a better articulation to axles comparing to normal way of links are installed.
Normal links attachment allows some +/- 25 degrees articulation, but L.E.S allows up to +/- 60 degrees.

That means up to 120 dgr between axles.
With L.E.S you can get better flexibility than 4-link system and you can still use
that center axle throughput for steering etc.
Makes very flexible suspension.

So, L.E.S is MORE ....

Normal links attachment allows some +/- 25 degrees articulation

L.E.S allows +/- 60+ degrees

And is simple system too

And here is L.E.S installed to 9398 Crawler

LDD-pic of 9398 with L.E.S. I modified the axles little bit so that they can be chained.
Here is a 6 x 6 version. With L-motors Not an AMG-version ;)

41999 6 x 6 mod

Safari-styled version

RC car style controller, makes driving easier

Additional controller, if needed

And Single-handed version too.
Thumb up, turn right. Thumb down, turn left.
Very useful when you want to do something else with your other hand, like eating chocolate-bunnies ;)

Steering is available for rear axle too, but it's not mechanically connected to front axle

Link Extension system in action

Cover parts

Battery-box serves as body too.
A note: 2 XL-motors are slightly too much for this battery box. Overload protector in BB hits too often, so I just bypassed it ;)

Suspension modified, once again.. Now using these damped shock absorbers 32181c02

And again... shocks lower end turned. Best so far mod. Much better on uphills.

And a video:

Building instructions
Download building instructions (LEGO Digital Designer)


 I like it 
  September 9, 2014
It sure looks so much angry, especially with the 1.9 tires. Someday, I'll buy some of those tires too, they look wonderful.
 I like it 
  July 12, 2014
Very cool.
 I like it 
  July 11, 2014
Nice build, it could probably tow the Maus. Also I have some thoughts for the drivetrain on the maus.
By re465 .
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Added July 11, 2014

LEGO models my own creation MOCpages toys shop A very angry 4x4 Rock CrawlerTechnic

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