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Counterweight for GP dovetail bar

A counterweight to balance telescopes in the DEC axis with uneven mass distribution.
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updated May 14, 2025

Description

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This model is a counterweight for dovetail bars adhering to the GP standard. It can be used to balance for example front-loaded newtonian telescopes with heavy imaging equipment.

The dimensions are chosen to fit 10.5 x 30 mm metal washer discs for the weight. Fully populated, this counterweight will have ~ 1kg of mass.

Additional materials needed:

2 x M5 heat inserts for the two screws which fix the counterweight on the dovetail bar

4 x M3 heat inserts for installing the lid

The printed parts in the picture are printed from ABS-GF with 0.2 mm layer height, 4 walls and 5 top/bottom layers for increased stiffness.

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