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Micro Steam Engine | by JK Brickworks
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Micro Steam Engine

A micro scale steam engine rendered in LEGO form.


I've always thought the Technic Competition Cannon looked like the boiler from a steam engine. In 2005 I decided to make it happen and this was the result.


PDF instructions, parts list and LDraw file can be found at


There are quite a few friction based connections, but they are all pretty solid with the old version of the cannon. Unfortunately the piece was redesigned a few years ago, and although the connections still mostly work with the new version, the main wheels are quite loose and there are some odd looking gaps in a couple of places.


71 pieces

15 x 3 x 5 studs


August 2005

139 faves
Taken on April 29, 2012