Since you are reading this, you are probably considering to build your own Dobsonian telescope. This page provides detailed plans and instructions how to . Plans for a homemade Dobsonian telescope. Since you are reading this, you are probably considering to build your own Dobsonian telescope. Homemade Inch Dobsonian Telescope: How to build a inch closed tube Dobsonian telescope. I began building it in the spring of , but the bulk of.

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Build a Dobsonian Telescope

We have one last remaining azimuth bearing board. Build Your Own Telescope – Richard Berry – [Berry94] The classic small Dobsonian construction book, by the person who was a major force in popularizing this design in the ‘s.

For this project, we will strive to give you complete instructions to complete this project with basic woodworking hand tools. At this dobsonizn, you can also buy the tube, and the altitude bearings. We break the project into two major pieces: You can paint the box, and mount the altitude bearings. It is very important that the hole is vertical relative to the board, since this is the axis of the azimuth bearing. Dobsonian Bearing Materials A discussion of why certain materials are used for Dobsonian Bearings, mechanical issues for Dob bearings, and where to obtain these materials.

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But, here you have one left side and one right side board. Build a Dobsonian Telescope: PVC plugs are cheap and work very nicely as altitude bearings. For this telescope, you need a PVC drain tube.

Plans for a Dobsonian telescope

Please check your email. If the telescope rotates forward or backward on its own, then the mirror box is too deep or poans shallow. The spider and secondary mirror mounted within the secondary cage. My CAD sketch for the focal length jig.

Use a 4 mm bit for the holes. Now take the focuser out and drill holes in that spot for the bolts to go in.

John does not like or encourage the term Dobsonian, but his wishes have not been followed and everyone uses the term. Either the or diameter plugs will work nicely on both mount sizes. In the center, drill a 8 mm hole.

Now sink in the screw headsand you will get one right side and a left side board. Finally you will need to make a ground board, a round plywood piece that ensures that the mount is as stable as plahs.

By adjusting the bolts, the mirror can be pointed toward the correct spot. The mount is made from standard 19 mm particleboard. It is more about giving you a sense of accomplishment from building a technically advanced product that can be used in various scientific experiments. They are popular with astronomers of all levels of experience and training, from beginners and amateur hobbyists to professionals and experienced scientists.


The plywood Dobsonian mount is simple to build and very functional. The plastic will ride on teflon pads, creating just enough traction for the telescope to avoid sliding on its own while not making it too difficult to point at things in the sky. We will strive to produce something in the middle: The project took several months off and on to complete, although a skilled Maker could put a similar one together in a few weeks.

DIY: Building a Dobsonian Telescope At Home

Place the telescope within the holder and bolt the hold to the top of the base. Our homemade curved vane diagonal dobsonjan, built from a stainless steel ruler, wood dowel, and a doobsonian nuts and bolts.

This page provides detailed plans and instructions how to build one. My finished inch Dobson telescope. We have arranged the the steps in a logical progression below, and that is how we will proceed to built this telescope.

Stellafane: Build a Dobsonian Telescope

What a great man! It won an Innovative Component Award for the adjustable cradle design.

Also, watch this YouTube video where Mr.