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Time to unveil my latest creation, the crawler crane. Years ago I saw a nat. geo. documentary on a station in the south pole. During the construction of it, there was a crawler crane with a three section boom. Fast forward to April 2015, I built a three section boom for a crawler crane but due to having too many projects, it was never finished. When I saw the crane competition I realized that this was the perfect opportunity to make a crawler crane. SPECS Propulsion: -2x L motors -1x aaa battery box -1x v2 receiver Boom: extension: -1 XL motor Raising/lowering: -1 L motor Hoist: -1x L motor Superstructure rotation: -1x M motor Pictures: (comming soon) Video: Filmed with a Samsung galaxy s3, Fujifilm XP Quadcopter for air shots: Hubsan X4 H107C