Drawings of The
Barillet
Astronomy
Equatorial Table
Hydraulic Focussing
Stepper Motor
How To Make A Telescope
Information for Beginners
Links And Bibliography
Gastronomy
Recipe Schematics
Recipes
To Bake A Well-Risen Cake
Links
Photography
Astronomy
Architecture
Animals
Landscape
Crafts
Livroscope
Read Html Books On Screen
High Rise Handlebars Bike
Dominoes
Power Electronics
Heatsink Impedance
Chess
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1. Barillet support, bottom of optical tube (plywood)
2. Mirror orientation bolt
3. Mirror support (plywood)
4. Rubber pads to stand the mirror up without scratching it
5. Primary mirror
6. Mirror attachment straps (steel wrap)
7. Felt pads to avoid attachment straps scratching the mirror (felt or double sided tape)
8. Springs
9. Wing nuts adjusting mirror orientation
The mirror and the bolts are not drawn on top view (the bottom one). Mirror is not hatched on A-A section.
Manufacturing
The attachment straps (6) slightly press the mirror to avoid it sliding when the telescope is pointing horizontally. Without the mirror, these straps are slightly bent inwards. You have to open them to install the mirror.
It is not a problem if the mirror moves a little but it must never become free from the barillet. This assembly is acceptable for small mirrors whose diameter is inferior to 200 mm.
Storage
Support (1) may be screwed at the bottom of the tube or in a wooden box that protects the mirror against shocks since it hangs to the barillet.