Information
This is a pneumatic excavator with three pneumatic cylinders. It uses the old style pneumatic that works with both pressure and vacuum, hence the pneumatic switches can never be crossed during operation (or the power of the system will be completely obsolete).
It's a cool set though, very realistic looking and fun to play with.
Year 1984, 358 pieces.
Pictures
No pictures yet
Great pieces
Pneumatic system
Lot's of technic tread links
Beams
Large gears (z40)
Threaded cross axles, though I broke mine when I twisted the nut to hard using the tips in the instruction booklet... :(
Links
Building instruction on Brickshelf
Inventory on Peeron
Set reference on Lugnet
Jim Hughes Technica
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