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Old 05-09-2021, 11:46 AM
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OneCosmos (Chris)
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EQ5 counterweights with 20mm bore

I have determined that Vixrn counterweights for the SPX may not be the best option. Vixen counterweights are all quite light and thick rather than wide. I have run out of real estate on the CW bar.

What would be best is 2 x Skywatcher Eq5 5kg CWs (afaik they have a 20mm hole for the bar)

Chris

Last edited by OneCosmos; 08-09-2021 at 09:53 PM.
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Old 05-09-2021, 02:51 PM
Dennis
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Hi Chris

I have one of these Celestron Counterweights - 17 lbs Designed to fit 19mm counterweight shafts.

https://www.sirius-optics.com.au/mou...ht-17-lbs.html

My photo shows it with a Vixen SP/SP-DX CW shaft, which I believe is the same as the GP/GP-DX CW shaft.

Cheers

Dennis

EDIT: On our uncalibrated bathroom scales it weighs is at just under 8kgs.
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Last edited by Dennis; 05-09-2021 at 03:05 PM.
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Old 05-09-2021, 06:39 PM
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OneCosmos (Chris)
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Quote:
Originally Posted by Dennis View Post
Hi Chris

I have one of these Celestron Counterweights - 17 lbs Designed to fit 19mm counterweight shafts.

https://www.sirius-optics.com.au/mou...ht-17-lbs.html

My photo shows it with a Vixen SP/SP-DX CW shaft, which I believe is the same as the GP/GP-DX CW shaft.

Cheers

Dennis

EDIT: On our uncalibrated bathroom scales it weighs is at just under 8kgs.
That might be perfect. Let me know when youre keen for that session with the 152mm and perhaps we can test it. This week is going to be clear from Monday night onwards I believe.
 

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