How to slow down dome rotation dc motor - Cloudy Nights
Apr 7, 2022 · The motor label states 11 RPM, which gives a dome speed of 1 rotation in 69 seconds. The torque is insane with that low gearing, so one motor (each) is plenty for both rotation and shutter operation. I have actually snapped the stainless steel shutter cable when the shutter was frozen!
Electronics) DOME Motorising and Automating - AWR Tech
The motor is a large geared DC motor and gearbox transferring power via a rubber wheel about 15cm diameter to the dome skirt on the inside. A rotation speed half to one degree per second is required.
DIY Automation of Pulsar 2.7m Dome Rotation, Shutter and …
Apr 2, 2021 · After months of faffing about, I've finally got a reliable, working solution to full automation of my 2.7m Pulsar dome which I thought I'd share here. The automation of rotation using a timing belt and pulley is well documented elsewhere.
Dome Rotation Motors - Observatories - Cloudy Nights
Oct 21, 2012 · Dome rotation should first be brought to a full stop before reversing direction. This might require extra work to accomplish in a fully automatic system. The recommended PWM Motor Controller is rated at 50 amps, which is "over kill" for this motor; BUT over-kill is good when you want reliable electronics (and doesn't cost that much more).
Dome rotation motor and gear question | nexdome
Dec 26, 2021 · I'm moving on to installing the dome rotation motor system. I was just looking carefully at the parts in preparation for its installation and I have a question. The motor shaft has a slot and a key as I would expect to see. The mounting hub for the gear does not have a slot.
Dome Shutter Motors Recommendations - Cloudy Nights
Oct 26, 2021 · Dome Shutter Motors Recommendations - posted in Observatories: I am looking to automate the Upper and Lower Shutter of my Sirius 3.5m Dome. I am currently using MaxDome 2 for the rotation motor with a 24V OSLV windshield wiper motor , and plan on using MaxDome 2 for the shutters as well.
Dome Control - Astrometric Instruments
DomeProU provides fully automated control of all types of telescope enclosures including: classic domes, clamshell domes and roll-off roof enclosures. Standards support: ASCOM and Bisque X2. Email/text notification for fault conditions. High reliability design and construction. Robust time-tested performance. Extended temperature operation.
2M Dome Motor 12VDC 250W (with Dome Position Encoder …
A specially developed electronically regulated heating system keeps both the rotation and shutter motors operational over a wide temperature range. Strong industry-grade DC motors guarantee a long operational life and lasting precision.
NexDome Observatory Permanet Telescope Pier
Combination of the shutter and dome rotation motor, NexDome is fully remote controlled. Constant power availability for the unit using a slip ring. No need to make any holes on the dome and very easy to install.
How to automate my Exploradome - TheSkySearchers
Nov 2, 2020 · With a DC motor, you need some feedback mechanism to find out where the dome actually ended up after you shut off the motor. With the stepper, as long as it has enough torque for the job, the dome will be exactly where you told it …