Just because I’m taking a vacation this weekend doesn’t
mean I’m not going to update like crazy this week. You’re welcome.
Enough background.
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More 1 ¼” pulleys were purchased to add to the front of
the PVC pies which will replace the skate bearings, which were the original
plan. The pulley should be easier to
work with and cost less but have higher friction.
At each end of the PVC pipes 5/16” holes were drilled 1”
from the end just like the opposite end.
The holes go all the way through the PVC. The pulleys will be mounted on the outside of
the pipe and allow the bungee to pass through a large hole. The large hole was made by making two holes
with a ¾” spade drill bit. The holes
only went through one side of the PVC.
The holes were drilled less than an inch apart, then the plastic between
the holes was removed with a bare hacksaw blade. The same holes were repeated on the second
piece of PVC.
Marks 1" from the end
Position of pulley
Position of pulley
Placement of holes for pulley
Cutting away plastic between holes
Placement of pulley in hole
Duplication on second pipe
Rough cut holes
To do:
Use rotary tool to finish pulley holes
Install bungee
Grind corner brace
Build
Test
Refine
Document
Journal page
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