Making your Coffee Cup Stirling Engine especially beautiful Non-perfectionists can skip this page.
If you are trying to build the absolutely prettiest engine you can,
take time to polish the brass parts before you begin the assembly. Polish
all of the brass parts (Brass Nuts,
Handle,
Big Brass Washer,
Small
Brass Tube) except for one of the Small
Brass Tubes with a brass polish. In the United States, a polish
such as Brasso is readily available at hardware stores and grocery stores.
Also you may want to inspect the acrylic tube (the Cylinder
Ring, part # D4) for minor cosmetic imperfections. These minor
imperfections can be polished out using an abrasive polish that says it
will work on acrylic. Usually this isn't necessary, but I know there
are some perfectionists out there.
To get the prettiest glue joints at the top and
the bottom of the Cylinder Ring, the best adhesive to use is a good clear
30 minute epoxy such as Devcon 2 Ton Clear.
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