Zybach is a simple and easy to build weight driven wooden gear clock. Its circular forms are reminiscent of crop circles, giving the clock its name. It's named after Frank Zybach, inventor of the center pivot irrigation system, which revolutionized farming in the mid 1900s.


$39
 











Simple Forms

Zybach is simple and minimal. There are no extraneous or elaborate shapes, only straightforward forms that are required for function.
 

Hypocycloid

As an alternative to more gears, this mechanism allows a 12:1 reduction for the hour hand while at the same time giving a unique appearance to the center of the clock.
 

Graham Escapement

The escapement is a clock's time keeping mechanism, its heartbeat. Zybach uses one of the simplest types of escapements, the Graham. This escapement is reliable, easy to build, and straight forward to tune.
 

Easy Set, Easy Wind

To set Zybach's time, simply turn the minute hand. To wind it, lift the weight and gently pull on the wind cord. The pulley spins, magnetic ratchets engage, and Zybach will run all day and all night, up to 30 hours.
















Specifications

Size 63" h x 13.8" w x 4.7" d

Motion Weight Driven

Run Time
30 Hours







Free Downloads

Zybach Sample Plans  

The sample plans are a snippet of the purchased version. They contain a list of the tools needed, specifications for all required hardware, as well as samples of the wood patterns and assembly instructions.

Zybach Sample DXF  

The sample DXF file can be used to test CAM software compatibility. For builders with CNC machines, the purchased version of the plans contains DXF files for all wood patterns.
  Zybach Woodworking Plans

Woodworking plans are delivered digitally via email.
Plans are sold securely through PayPal and are delivered through Payloadz.

Plywood parts can be cut manually with printable patterns in PDF format, or they can be cut with a CNC machine using the included DXF files.

Plans contain two PDF document sizes:
• 8.5" x 11" paper for instructions and small patterns
• 11" x 17" paper for large patterns

$39
 




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