Quote:
Originally Posted by Kunama
The 'rat cage' is fine provided that you use decent sized plate and bolts and keep it as short as possible.
I built a 1200mm high pier for Phil's observatory using 220mm OD pressure pipe with a 9.5mm wall thickness. The base plate measured 350mm square by 16mm thick. The top plate and adapter plate are 12mm thick steel. The adapter plate is installed with M16 stainless steel bolts and sits only about 50mm above the top plate.
This pier weighed a mere 85kg and carries an EM400/Mewlon300 etc, it does not move....
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+1
Decent bolts and plate not set too high is fine for EQ6 style loads. Its nice to have easy access to lower bolt. Vibrations very likely far less than tracking and seeing errors for 99.99% of people.