Liebherr LR 11000 Crawler Crane

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Hello guys! At last I can represent to all of you my latest MOC. It's a Lego Technic Liebherr LR 11000 Crawler Crane.
I tried to build a copy of a famous Liebherr-brand crawler crane. If to be honest it was my dream to build a human-high technic crane.
This model is approx two meters high. It has five independent winches! Real crane has six, but two of them goes to one hook, what was not necessary to represent in lego version.
Except string crane is build of 100% Lego. As a counterweight I used three big battery boxes in the superstructure and three ones in the additional counterweight carriage.
Below I will list crane's functions.

RC:
1,2) Chassis drive and steering - one L motor for each track. 
3) Superstructure rotation
4) Operator's cabin uplifting via small linear actuator
5) Main boom winch
6) Luffing Jib winch -  winch is located on the main boom like in the original model
7) First hook  winch
8) Second hook winch - winch is located on the main boom like in the original model

Manual:
1) Derrick boom winch  - needs only when assembling/disassembling crane
2) Addiction counterweight extensioin - need to balance crane under heavy loads
3) Addiction counterweight up/low - need to balance crane under heavy loads or without a load
4) Addiction counterweight steering  - need to steer wheels in the counterweight carriage when superstructure rotating and need to make wheels parallel to move crane forward or backward 
5) Chassis uplifting - chassis have installed four small linear actuators which can lift the chassis under the ground to put on tracks like in the real Liebherr!!



As TLG doesn't have any pulleys of 0.5 stud wide and with the pin hole in the center and 3D parts are too expensive I decided to drill the original ones. 
Firstly I used 4 mm drill to make a round hole instead of an axle, after 4,5 mm and finished with the 5 mm drill. No any part was broke.

All pneumatics are included in the parts list. I use tubes from 8110 & 42043 sets.

Crane uses 3d party strings!
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MOC-18838

Name Liebherr LR 11000 Crawler Crane
Designer OleJka
Designed 2018
Parts 3645
Theme Technic
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Building Instructions For Sale

This is a Premium MOC, and the instructions to build it are being sold by the designer (OleJka) for €12.99

You will receive building instructions of type PDF - Photo Sequence from the designer once you have organised payment with them.

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Help Guide - BI File Types
Submitted by nigel1975 PRO April 27, 2019
Disassembled crane
Submitted by nigel1975 PRO April 27, 2019
Modified superstructure with 2x BuWizz
Submitted by nigel1975 PRO April 27, 2019
Modified winches on boom. Needs a little rework as there is some friction.
Submitted by nigel1975 PRO April 27, 2019
Preparing to add first boom
Submitted by nigel1975 PRO April 27, 2019
First boom added
Submitted by nigel1975 PRO April 27, 2019
Main boom section being built
Submitted by nigel1975 PRO April 27, 2019
Ready for jib boom
Submitted by nigel1975 PRO April 27, 2019
Boom ready to be raised
Submitted by nigel1975 PRO April 27, 2019
The counterweight easily holds the boom at ~60deg without a load on the hook.
Submitted by nigel1975 PRO April 27, 2019
Boom can be raised from horizontal position on the ground to vertical just like the real crane. The fine control from the BuWizz enable a smooth action.
Submitted by nigel1975 PRO April 27, 2019
Suspended counterweight. As boom is lowered the weight will rise and maintain balance.
Submitted by nigel1975 PRO April 27, 2019
Changes to PF functions, consolidated to 2x BuWizz. 2x large motors for tracks also connected via cable extension run though center of turntable. All other batteries are counterweights.
Submitted by nigel1975 PRO April 27, 2019
Transfer functions to boom winches
Submitted by nigel1975 PRO April 27, 2019
Modifications to tracks and height of superstructure.