Newtonian 130/650 Primary Mirror Cooling Fan Mount

Rear cooling fan mount for a Newtonian 130/650 telescope tube with no factory rear ventilation. Designed to fit a rear opening of approximately 105mm diameter. Holds an 80x80mm fan (tested with Arctic P8 Silent) behind the primary mirror, mounted on silicone anti-vibration dampers to keep fan vibration off the optics. Includes a dust mesh cover to keep debris out.

What you'll need:
4x M3x10 countersunk (flat head) bolts
4x heat-set inserts, 3x8x5mm
1x 80x80mm fan (e.g. Arctic P8 Silent)
1x 80x80mm dust mesh/filter
4x silicone anti-vibration fan mounts