Benjamin Franklin Clock 2 bok

The original Benjamin Franklin Clock

My new version 2

Features an arm that follows the spiral to mark the hour (which Ben Franklin seem to have left out). Drops back to 12 when it reaches the top.
Assembly Guide 
More detailed build guide in pdf together with the stl files.Hardware required for the build

• HR 1688 or 12888 type high-torque clock movement with brass nut for miniute shaft including all the mounting hardware- nut, flat washer and rubber washer.

Overall shaft length of 15, 17 or 20 mm can be used.
  
  Clock movement can be purchased here or here or here
• 2mm brass or stainless stell round rod stock minimum 150mm long

Tools required to assemble

• Pliers with jaws having rounded grip for holding brass rods firmly without scratching, or sandwich the rod between thick cardboard or cloth to protect the rods from scratches.
• Small rubber hammer to insert the movement minute brass nut on to the drive gear. C-clamp may also be used.
• 3 Pin vise to hold the following: 
Available here >  https://redpah.com/product/6594/pin-vise
  
• 2mm drill bit
• A reamer made with a ~50mm length of 2mm brass or stainless steel round rod with one tip cut diagonally approximately 45°. This tip will be used to cut material out. Leave burrs and sharp edges as is.
• 3mm drill bit

• Multi-purpose or CA glue to bond Dial to Driven Gear



—PLEASE READ:
© 2022 

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