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Hi Nick, See my note to Peter (PCBoreland) about the pinched ball solution. You did the PECprep just fine and it did show the peak as a pinched RA bearing ball. Finding the cause is the majority of

All good notes and another good conversation. The 80 sec oscillation has been attributed (by Michael Sinescalchi in his www.helixgate.net) to a pinched bearing ball. He saw either 78 or 80 seconds

I don't have PEM Pro but I do have a new G11 and put my data into PEC Prep (it has been discussed on the other threads here recently) I have no way to tell if this 76.2 error is something that's

What are the internal gear ratios?? In the 25:1 gearbox (P5-G11), the third stage gear ends up being 3:1 to the worm period (so 79.8s for the G11), so perhaps that's what you're seeing here. Keith

Which build of PEMPro are you using? I'm guessing you were trying to use the ZWO ASCOM driver? I have a ASI294MM so I am sure I can get you a version that works with that camera. Please post a ticket

Thumbs up to Michael for the grease recommendation: CRC Brake and Caliper grease has MolyD, Graphite, and Teflon.? I bought it at Napa Auto Parts locally, but they had to go into the back to find it,

Appreciate noting that snug is good enough! Thanks,

Michael - you're the MAN!! Minor adjustment here and the issue cannot be replicated! Thanks - that was quick and now I'm ready for this weekend!

Hi, The most likely suspects here are the grub screws on the Oldham not being snugged down. Also know you do not need to torque the begeezus out of them, snug is plenty good enough and make sure you

Tom would also pull off the cover to the spur gears and watch for smooth motion on them as well [email protected]> wrote: -- Brian Brian Valente portfolio brianvalentephotography.com

I'll start there, thanks

Hi gang, This sounds like a case of loose setscrew(s) on one (or both) end(s) of the Oldham coupler. These setscrews are very small.... usually taking an 0.050 inch Allen wrench. In the past, I've

Yes the clutch was tight.

I'm sure you checked this, but was the clutch tight? Maybe it needs cleaning?

This was on my workbench with no equipment or weight to balance,

To clarify further, this was during the Goto and the SkyFi was not yet connected.

a couple things come to mind in addition to the advice you got one is good balance - and make sure the weight has an eastern bias another is it could be taking up backlash in RA (especially if it's

No - this was noticed before proceeding to connect the SkyFi device. This was observed during the GoTo bright star.

Hi Tom Are you saying this is a problem when you use SkyFi or just when you do any sort of slewing i.e., the hand controller? if you aren't sure, it would be good to confirm how well this works with

I'm looking for advice on where to start trouble shooting my RA drive issue. I have a vintage G11 mount that I updated with the Gemini II GoTo system about a year ago. This past week I set it up on my