Welcome to Joe Pearson's
Split-Ring Page


UPDATE!

I have begun to rebuild my telescope after 20 years!
See the reconstruction page and notes
HERE!

I have made scans of my 10-inch split-ring telescope plans available here for you to download. You'll also find parts lists and construction help with hints and copies of the articles that were originally published in 1986. Please feel free to pass this address around. Let me know if this is helpful.

A couple of years after these articles were published, the telescope fell apart - too much use and dew for the cheap plywood I used. I have not rebuilt the scope, though I still have the mirrors, eyepieces and some pieces left. If you'd like to discuss the design, let me know by E-mailing me.

The scans of my telescope were made by taking the last blueprints I have available. They were yellowing and faded. Quality is marginal, but I hope they will be useful. Click on the title and view the picture. If you want to download and print it, right-click your mouse and then select SAVE IMAGE AS...

Articles are in Adobe Acrobat format.

Drive Section detail

Hints & Tips #1

Tube & Truss Section detail

Hints & Tips #2

Right Ascension Disk detail

Hints & Tips #3

Split-Ring Disk detail

Hints & Tips #4

Declination Yoke & Base detail

Hints & Tips #5

Base detail

Hints & Tips #6

Motor & Gear detail

Article in TM #27

Article in 3/86 Sky & Telescope
   Article rendered here in black & white to conserve space

Some pages where this design was used (and improved!)

Andrew Borg's Split Ring Page
Larry Brown's Split Ring Page
Willie Koorts' inventive Split Ring design

More to come!

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