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Meccano GalleryExhibition photosMMG photosMMG 37th Meeting October 1985MMG 37th Meeting October 1985 Photos taken by Robin Schoolar
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Hammerhead Crane (side view) - John Fuller  

A thoroughly modern freelance Hammerhead crane in pristine Red/Green, standing 3' high and with a 3' boom. John continues to show his mastery of closed construction; the boom is built with a 2.5" equilateral section, fully plated. Support for the boom is by twin tubes in compression, carried at about a 30 degree angle back to the superstructure. Swivelling follows Continental practice, with a journal at the top of the tower formed by a 6" pulley centred in 7.5" circular strips by 1“ pulleys with rubber rings, whilst thrust is taken at a lower level by a ball bearing. The main and auxiliary hoists have laying gear on the drums which keeps the ropes evenly laid and engagement of the drive automatically releases an external contracting brake.  

Hammerhead Crane (side view) - John Fuller
Image by Rob Thompson, viewed 479 times.
Size: 183.23kb (1738x1171 pixels)

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