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Projects | |
Building A 9 Point Floatation Cell
 | This article describes the design and construction of a 9 point floatation cell for a 14" telescope mirror. The plate analysis program PLOP was used to generate the basic design. |
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A Digital Readout Caustic Tester
| This is a short article by Tom Lum on his innovative digital readout caustic tester design. The use of digital micrometers as the readout method makes the tester easy to use in the dim light while testing. |
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A Versatile Spherometer
| A Spherometer is an almost indispensable tool for the amateur optician. This project shows how I built mine. |
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A Foucault Tester
| Foucault testers are actually very simple to make. Here are some ideas for yours. |
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An 18 Point Mirror Cell
| This project depicts the construction of an 18 point floatation cell for a 17.5" mirror. Approximately 50 hours were required to machine the various parts. |
Techniques | |
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Reviews | |
| Grizzly Radial Drill Press | A drill press is a useful accessory for the home shop. I purchased this radial drill press for the primary purpose of coring a 17.5" mirror for a telescope project. |
| Smithy 1220-XL Lathe-Mill-Drill | If you are cramped for space or have a tight budget, you might want to consider a 3-in-1 combination machine (Lathe-Mill-Drill) for your metalworking hobby activities. |