To enable temperature of regulation of the primary mirror I have designed and printed a fan mount. The fan is controlled by ArDewNo and serves a few purposes:

  • Bringing the temperature of the mirror back up ambient when it drops below.
  • Preventing and removing condensation.
  • Cooling the mirror at the start of the session.
  • Breaking up the boundary layer effect.

I have also printed an outer ring that acts as a stand off with a 5mm slot for the fan and temperature sensor cable to pass. This protects it from being crushed when the telescope is stood upright on the floor.

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3D Printed Fan Mount (for the primary mirror)

23/03/2020, 10:04
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