Table of contents
Working principle
Components of the platform
Materials
Wooden materials
Non wooden materials
Building the platform
The circle sectors and the platform top
The bearings and the roller
The drive-shaft
The ground board
The drive-motor
The reduction assembly
The finishing touch
Using the platform
Concluding remarks
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main manu
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platform for 20 inch scope
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my trilateral 20 inch dob
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A 20 inch f/3.6 Dobsonian
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Project: five 12 inch lightweight Dobsonians
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Motorizing a 12 inch lightweight Dobsonian
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Scotch mount
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20 inch telescope
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Binoculair mount
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Building a spherometer
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Dobsonian tips
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bending aluminium
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Dotting the primary
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balhead type telrad/finder mount
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Collimation
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Making a Krupa collimator
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Mirror making log of 300 mm mirror
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Astronomy links
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Using digital finder charts at the eyepiece
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Building a Bath interferometer
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A Foucault-Ronchi-Lyot tester
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Building a mirror making machine
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Home
Email adres:
Jan van Gastel