Ardelt 25 tons Railway Crane with sliding superstructure

Seven of these cranes were built by Ardelt in Eberswalde between 1929 and 1930 and delivered to the Deutsche Reichsbahn. They were often used in tandem to hoist bridge sections in to place. I’ve depicted the ‘700-070 Hamburg’. Its unique feature is the -under full load- sliding superstructure. The crane could move 8.9 meters sliding over it’s under carriage. This meant almost a doubling of the reach of a standard 25-ton crane and saved lots of time moving and supporting the crane. The maximum load of 25 tons is possible with a reach between 5 and 6.6 meters. At 9.9 meters, and fully extended a 6,1 tons load was still possible. To achieve this the crane is equipped with sliding counterweights. Two underneath the superstructure and one on each side.

The LEGO model is powered by a Circuit Cubes receiver and three motors. One for turning-, one for raising and lowering of the boom and one for operating the hoist cable winch. Initially I was planning on adding a fourth motor for sliding operations but lack of space (the super structure is only 5 studs wide) meant I had to compromise. The crane has a dedicated support car for transport purposes. This car is equipped with a support for the boom and multiple boxes for storage of hoisting equipment and other stuff.

Action vid:
www.flickr.com/photos/185432629@N06/51784942368/in/datepo...

Taken on: December 31, 2021

Tags:

LEGO

MOC

DeutscheReichsbahn

Ardelt

Eberswalde

RailwayCrane

25tons

Kranwagen

Train

trein

zug

steamengine

narrowgauge

Henschel

Brauns

Epoche2

hoisting

dampfkran

eisenbahnkran

eisenbahn

railway

steampower

LLMTC

CircuitCubes

modelbuilding

scalemodel

Hamburg

700-070 « less

Sets appears in: • 700-070 Hamburg, Ardelt 25-ton Railway Crane

Groups appears in: • LEGO • Lego Freaks more » • Lowlug • LEGO Train MOCs • Historical LEGO • LEGO Bricks and Trains • Eurobricks • Legos, Models, and Trains • Lego!Lego!Lego! • Lego and more lego • LEGO Creative Thinking • LEGO Vehicles • LEGO Train Builders • LEGO Engineering • Obsessed with Lego! • Lego Fans • LEGO Dutchies • Motorized LEGO • LEGO User Groups (LUGs) • Lego MOC • LEGO-MANIA • Lego Builders • Lego Universal • Lego Gone Wild • History Bricks • AFOL 16+ • Everythin Lego • Epic Impressions of LEGO • The LEGO Flickr Community! • European Lego • LEGO FAN • LEGO-Creations • Lego: Anything and Everything • The Art Of Lego • No Lego,No Life! • 365 Days of Lego • Inspirational Lego • LEGO. • simply lego • Lego HUB • LEGO without limits • Epic Lego builds • Lego Group of Awesome • Awesome Lego Stuff! • Build Like a Boss • Lego Flickr Community • Lego Forever • A LEGO Life • Toys in the World • Brick Model Railroader • EiA LEGO! • LLMTC « less

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