My Tennis Ball Launcher instructions over at Instructables.com has entered the finals in the Estes Launch It! Contest. It's exciting because my Instructable is being shown next to some very cool projects. I was looking through the other contests they have and one is a "Glue Contest." I've expressed my opinion about adhesives in the past but my Upcycled 3D Printer uses glue as the media. It may make a neat entry into the Glue Contest. I have until July 21st to get a working version of the Upcycled 3D Printer.
The new skate wheels were smaller in diameter but larger in width. The wheels were given bearings, speed rings, nuts, and bolts but no spacers. Nylon insert lock its will replace the existing nuts later if necessary. One wheel + stem set was inserted into the original hole drilled for the tensioning wheel and the lower nut was adjust for height. The second wheel + stem set was placed appropriately and a hole position was marked on a piece of masking tape. A pilot hole was drilled after a wad of tape was applied to the bottom of the pie tin with the plan to catch metal shavings since the hole was not to be drilled in a shop. The method seemed to work well. The clearance was checked and found to be tolerable. The two-wheel system was tested by running the chain fills peed in forward and reverse and it did not slip once.
Comparison of wheel thicknesses
Comparison of wheel diameters
Two wheel + stem sets
Marking the location of the second wheel + stem set
5/16" hole drilled for the second tensioning wheel
Clearance of the wheel
The chain running forward and backward
- Perform tests outlined
- Test + Debug
- Revise documentation
The rest of the posts for this project have been arranged by date.
A list showing of all the final posts of COMPLETED projects.
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