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Technic Land Rover
Technic Land Rover with steering, engine and authentic 4 wheel suspension.
About this creation
A simple LegoŽ Technic car.
(created 2009, still in one piece.)



The aim was to create a straight forward car with basic but authentic functions, at a small scale. So I picked the mid size wheels that reassembled those of the Land Rover and built around them. Key dimension then becomes the width.





Front wheel steering with suspension dictates the minimum width, but the challenge here was maintaining a minimum width whilst keeping the engine block low to fit under a proportional hood. This required a little care to ensure sufficient structural stiffness. As a result the front wheel arrangement is essentially held from the front, with some care needed to mount the steering rack which is at the back.





The rear axle required a different approach to that seen in usual Technic sets if I wanted proper suspension and a differential gear. As a result I aimed for an authentic off-road full floating axle. After a few dead ends I realised that I needed an additional load path to the transmission and suspension rods. After a little research I discovered how it was done in reality. In the pictures at the end you'll hopefully be able to make out the ball-joint rods that allow full suspension but prevent shimmy. I copied this from a genuine Toyota design. The Land Rover has a different system in reality.







In the end I was quite happy with the compact scale, robust feel, the floating suspension and the overall look. (I've since used the same floating suspension on a large BatTumbler Technic MOC.)

I've attempted to capture the suspension arrangement in the Lego Designer (with some mods required because it doesn't have all the parts, but I think the idea is there).






Building instructions
Download building instructions (LEGO Digital Designer)

Comments

 I like it 
  June 14, 2012
This looks fantastic! Great functions and an excellent, neat chassis. Thanks for uploading the chassis pics and the comprehensive info! Very nice creation :-)
 I made it 
  March 18, 2012
Quoting Peter Alraun Really a nice car with a great Chassis. Are there any forces on the driveshaft when the rear suspension is working?
Thanks for the comment. There are no forces on the drive shaft when the suspension is working. It took me a while to realise what was needed and to figure this out (from a photo of a 4*4), but it does work. I used it on my Bat Tumbler also. Try it out!
 I like it 
  March 18, 2012
Really a nice car with a great Chassis. Are there any forces on the driveshaft when the rear suspension is working?
 I like it 
  May 13, 2011
Very nice, good work with the rear suspension.
 I like it 
  May 10, 2011
Excellent. I really enjoyed reading your text it is very descriptive. The suspension is extremely good. I'm building with system bricks at the mo, but this has inspired me to make more technic mocs
 I like it 
  May 9, 2011
I like this! Always wanted to make a Land Rover this sort of size, i will get round to it one day. The suspension looks great, and the overall shape is good! Great job.
 I like it 
  May 9, 2011
Proportionally right, and a great set of features for the scale - it's interesting that you scale it starting with the wheels - this is the only way to get it to look right, which it does!
 I like it 
  May 9, 2011
Like it - good mix of functionality vs. looks. Not a perfect Land Rover, but a very nice MOC.
 
By Fogtod the Engineer
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