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Re: Losmandy G11 Gemini 1 Battery


Boreack
 

Hi,

I'm interested, but shipping and taxes probably will cost more than the box itself.
El you have a wiring and component diagram to made one??

Greetings, Enol.?

El lun., 10 may. 2021 3:44 a. m., Michael Herman <mherman346@...> escribi¨®:
Dear Enol,

When properly balanced, and gears are not jammed, the G11 typically uses 0.20 to 0.25 amps in sidereal tracking.? If autoguiding, maybe 0.25 to 0.3 amps.? If fast slewing (brief times) expect 0.35 amps per motor.? This is using a 17V DC power supply, which gives 42% more torque than 12VDC only.??

I find it very useful to employ a power supply with voltage booster circuit, and with output ammeter and voltmeter.? The ammeter tells me if I have the axes balanced, and his much current my motors and Gemini are using.? The output voltmeter also tells if the input battery supply is drooping which will show up as output voltage drop.??

I make these supply units for Gemini-1 and -2.? Let me know if interested...!? Here are some photos...

All the best?
Michael


On Sun, May 9, 2021, 6:16 PM Boreack <enolmbgi26@...> wrote:
Hi guys,

I have troubles with my actual battery, so I'm trying to get how amps this mount consume on a large night (7-8h).
I'm going to made a battery only for the mount. The rest of the components have other battery.
A 45Ah battery would work doing only 2 or 3 GoTo for autoguide aligment and night object without pass the 50% discharge, or I'll need a 60-70Ah battery?
The manual says you need at least 3Ah, I think for the GoTo commands to work. In tracking with guiding pulses how many consumes?

Greetings, Enol.

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