Re: Small mount was Recent encoder discussion on CN
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High precision abs encoder on RA. For precise homing, pointing and tracking.
Lower resolution abs encoder on DEC. Much cheaper and perfectly suitable for precise homing and pointing.
Servo motors. For lowest voltage and current requirements.
Operable on 8-20VDC.
Strain wave gears with electric brakes. For zero backlash, no reverse-driving when power is lost, and size/weight savings.
Super-lightweight and compact overall.
No clutches needed. I haven't missed having clutches on my RST-135 at all.
Motor-current-measuring-based balancing function.
New, dedicated hand controller with integral GPS & Bluetooth, and optionally WiFi, serial, USB and Ethernet.
Maybe have an XBee socket or two in the hand controller. Let users pick their own wireless frequency and protocol options.
Mount setup procedure optimized and simplified for travel. OLED display good to -40F/C
Built-in base adapter to put it on a carbon-fiber Gitzo 85 (or clone 85mm head) tripod.
Optional hollow composite counterweight. Fill with water when in the field.
Lightweight counterweight shaft. I am a strong believer in counterweights for strain wave mounts, whenever possible. I don't care what Rainbow pushes in their ads.
Lightweight, telescoping, two-section, aluminum pier with 85mm socket head option for travel. More rigid than a Gitzo CF tripod.
Ability to operate in Alt-Az as well as polar mode. Alt-Az is great for visual, solar and occultation use.
Options for both electronic as well as optical polar scopes.
Give the electronics enough horsepower to add cool stuff in the future, like Slo-Mo all-sky tracker features and the like.
Bubble levels in mount and pier. Optional compass.
Multi-star alignments with software ortho compensation.
Voltage and current displayed continuously on the hand controller.
If possible, through the mount power and USB3/USB-C. Or put cable securing points on the DEC axis and base so a springy umbilical channel can be used.
Optional custom, lightweight, wheelie travel case. Maybe have a stroller or diaper bag camouflage kit for it. LOL
"My advice is always free and worth every penny!"
On Fri, Feb 26, 2021 at 12:01 PM Roland Christen via groups.io <firstname.lastname@example.org> wrote: