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Hi, I have just received a OPWB. What is this hole in lower right corner for?

So I installed new stepper motors yesterday and cleaned things up a little. There were NEMA23 stepper motors, but due to their extremely high inductance they worked liek disaster. I printed NEMA17

Cze??, RGB Elektronika supplies EZO 6.35 x 15.87 x 4.97 mm bearings in Poland - superior to what was in my Losmandy and still not too expensive. EZO Bearings was the most reasonable thing I found in

You need Belville washers for R4 size bearings (1/4” / 5/8”) which have an ID of 10.3mm (0.406”) and an OD of 15.69mm (0.618”) it that helps. David Sent: 23 September 2020 10:38 To:

Hi Dominik (Cze??) Let me know if you find Belleville washers that fit Losmandy worm blocks. What kind of EZO bearings did you use? Sebastian

Thanks anyway! Yep I had it shortly after getting it. Seems to me that the ring on mine is just a bit too big. Like I said though it's really just a minor issue, cosmetic really, but if it's not

I see. Different design from mine. Sorry I can't help with that one. BTW is that a vixen type dovetail with one flat side you have? I can see bite marks on the side.

I think that yours is a G11. Mine is a GM811 so the issue is on the DEC which is a G8 axis. Looks a bit different than yours.

Yep. Attached an image where it would be rubbing if I didn't remove the ring:) Just about ready to start imaging the pinwheel galaxy. I circled the spot where it would be rubbing. Jamie

Is this what you see? Gap between worm block and ring.

If it's rubbing against the worm block housing that's odd. There's a good ~5mm clearance on my mount. Got a pic of the ring and housing where it rubs? Sure it's not the spur gear cover that's slightly

For mine it rubs between the ring, and the outer worm block housing. I notice it when I loosen the clutch and just try and spin it freely. It will make a metal on metal noise on one spot. When I

On mine if I did the clutches too tight the rings would jam between the worm plate and the shaft flange so I got them machined down a couple of thous.

Wow, you guys are on it! Here's a picture of the ring. I'm going to try and image "north america" or/and the pinwheel right now:) https://photos.app.goo.gl/cLcKuvbY95BqtQF6A

When you tighten your clutch does the graded ring still turns lose?

Jamie - Is it a Spring Loaded Worm assembly? What is the "graded ring"?? Can you post a picture?? I think I know what the problem is.

So this is something that was an issue from just after I got the mount about a year ago. Everything seemed fine the first few nights out, but then the DEC mechanics seemed to be rubbing. After talking

Hi Brian, thanks for the green light. If it helps my mounts is?S/N HGM200069096. Thanks again mate.

Hi Marc If I understand your question, you are asking if adding the RAEXT changes the spec of the mount in some way? the answer to that question is no. We have not received any inquiries or emails

I'd like to hear from Brian or anyone at Losmandy to address my concerns. If it's a non issue then I'm happy to go ahead with the load as it is knowing that I'm still within the mount specs. I hear