Scissor Unicycle

Tom Miller (765) 452 - 2692

The New Unicycle that grows from 2023

Scissor Unicycle compressed Scissor Unicycle compressed closeup Scissor Unicycle extended Scissor Unicycle bottom
300 hours of machining parts. 13 ft tall (6.5 ft tall compressed). 519 pieces. 20 roller bearings. Weighs in at 80lbs. 6 sections, each weighs 8.75 lbs.

main part of spindle spindle spindle parts all spindles all spindles another view
Most likely will be used with just 3 sections so that would be 5.5 ft tall compressed to 8 ft extended. At 55 lbs.

Shaft Collars Making of Shaft Collars Half scissor
Improving build after above pictures with shaft collars.

Making Hub near start Making Hub middle Making Hub near end
Building Hub from scratch

Chain Link Wheel Build Wheel Built
Building Wheel complete with rubberband

Arms Near Complete Arms Top Arms
Arms for Scissor

Jack Built Jack Built Top of Build Build
Putting all the pieces together


The Unicycle that grows from around 1989/1990

Tom (with hand on jack), Sem, and Scissor Uni Tom, Sem, and Wayne Nanis

Tom, Sem, and Wayne Tom, Sem, and Wayne

Hydraulic Jack and idea by Sem Abrams, Scissor action frame concept suggested by Tom. All other components and ideas a colabrative effort by Tom, Sem and a few others who worked on it at the Unicycle Factory. 4 loops of chain, 14 roller bearings, 65 pounds. Can be raised while riding and gently released to descend.

Tom, Sem, and Scissor Uni Sem and Scissor Uni

Grows from 5 to 8 feet

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Last Revised: 14 July 2023