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Hi John, That is incorrect. There's not even a remote possibility that gearboxes could produce a non-integer reduction. Here are some specs for gears and their ratios:

I'm catching up with twenty years of experience regarding PEC and Gemini I.? I've read Losmandy/ Gemini I doesn't play well with PEC because of the non-integer gear reduction in the stock Losmandy

Oh, that's a great idea! Next time though. I replaced the CR2354, so I'll have a little time before it dies to order the upgrade battery holder. I just did a few hours of daylight testing with my

Well done Bryan. ?Good work. One tiny observation. ? You might want to grab a CR2450 battery and holder and replace the G1 CR2354 ! Why…. The CR2450 are easier to get nowdays. The battery holders

Nice work… Sent: 15 August 2024 09:06 To: [email protected] Subject: Re: [Gemini_users_io] RS-232 interface IC and RS-232 port replacement part numbers? I replaced the serial IC, C19, C21, C44,

I replaced the serial IC, C19, C21, C44, and the RJ22 port. The bench smoke check was good and my laptop seems to talk to it ok. I’ll test it connected to the mount and the mini PC soon. So far, so

Bren Smith came up with the answer (thank you Bren)! Wurth series WE-PD2 ferrite core 5.2 x 5.8 x 4.5mm. mrn: 744774147 David From: [email protected] <[email protected]> On Behalf Of David

The schematic specifies 47uH, 0.7A. It's about 6mm square with a round bobbin. Could it be Bourns SDR0604-470KL? Thanks David

I think I did the same thing. The parts are on the way - progress soon!

Well picked up. ?I think I looked at one data sheet got the specs and another place showed slightly different specs particularly capacitance The “L” is low capacitance, the “N” nickel plate

Thanks Brendan, I'm glad you're helping chew on this with me. Looking deeper into the spec sheet, it seems like they might be the same actual part with the only difference being what sized reel they

Cheers Bryan happy yo help. ?Anything needs just ask. ? I would have thought low capacitance would be best ?to less encoder wave shape interference But maybe more could help, I’m not sure. ?If

You're right about the dirt & grass inside. I think it'll clean up fine. I'll take an extra look at F1 & the RVs. Thanks for the clarification on pin 8. I misread the schematic on the Gemini FAQ and

Bryan many thanks great images...they tell all, "the rude Gemini"hahaha Imgur does this just to cover their legal ass .? Its like a bug has got in and done its thing all around the bottom of the

Thanks Brendan. I was curious about the black pin 8 too. That’s not just a photo oddity. The Gemini-2 FAQ showed that as an NC pin, so I wasn’t overly concerned about that specific pin. It is

you can use a usb to rs232 ?converter (install it’s driver) and some terminal program ( https://learn.sparkfun.com/tutorials/terminal-basics/all ) like terra term or real term (

Hi everyone, It looks like I have a dead RS-232 chip and I'm planning to replace it. For some details on this, my 2007-vintage Gemini-1 G11 started acting up a few days ago. It intermittently stopped

Oops, As an OG star hopper living under the L.A. light dome the Nexus DSC is a great solution IME. -- Chip Louie Chief Daydreamer Imagination Hardware Astrospheric - South Pasadena Astrospheric

Hi Mark, For visual work I have always MUCH preferred to use Losmandy mounts because they were designed? to be used as PUSH-TO mounts. When a Losmandy mounts is combined with Astro Devices Nexus DSC

Thank you Paul Kanevsky and Benjamin White.? I'll keep my finders crossed my hardware is in good condition and start with a new PEC curve.