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Current Hardware Stuff

Tube shims:

Tube shims for centerfuge are finished. They will be uploaded to shapeways if anyone wants to get 'em.
Should be cheap. Will modify to cheapen.

PCR:

Current PCR block. Quotes for it's manufacture are woefully high. Looking to decrease this cost. Prices:

• $950 (!!!) to have it 3D printed.
• ~$300 to $400 for a custom machining job.
•  ??? Other methods of manufacture (sand casting, investment casting, ect...)?

Ways to possibly lower the cost:

• A Heat conductive polymer
• Some kind of putty (?? No idea what this was ??)
• Ceramic block
• Decrease size of block
• Remove hard to machine features
• Remove block entirely and construct PCR from heated baths
• A mixture of a few of these (simpler block with baths rather then tube shaped holes)

Heating Rate: .7 to 1.1 C/S
Cooling Rate: 2.0 C/S

PCR Design:



Cheap PCR (maybe?)