Brian Chaffer’s Meccano Trench Digger
I don’t know my trench digger designs well enough to know if this model is based on a real-world machine or not, but I do know my Meccano machines well enough to know this thing is amazing!! The range on this thing is incredible, as well as the multiple simultaneous mechanical functions – it must have taken some time to design and build:
See more at London Meccano Club
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