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Need recommendations to raise my AP 900 mount a few inches

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#1 jerahian

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Posted 14 January 2022 - 12:58 PM

I have my AP 900 permanently mounted in my home observatory on a custom solid steel pier (purchased 2nd hand), the top of which has an opening which fits the AP Standard Pier Adapter for 900 Mounts.  The walls of my observatory are a few inches too high for this mounting setup and currently clips precious degrees off my Southerly view.  I only use the rig for imaging.

 

I would like to raise the mount by adding plates between a) the top of my steel pier and b) the AP 900 pier adapter.

 

I don't work well with metals, personally, beyond being able to drill a hole.  I also don't have a convenient metal shop contact, but anyone know of any off-the-shelf parts I can use or DIY ideas to effectively raise the mount by 4-5 inches?? 

 

Here is a photo of the pier in my observatory with the AP 900 pier adapter attached:

 

pier_and_plate.JPG

 



#2 MJB87

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Posted 14 January 2022 - 06:07 PM

Dan's Pier Plates sells riser kits. Check it out. It might work.

 

https://www.pierplat...ducts_3001.html


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#3 jerahian

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Posted 14 January 2022 - 07:04 PM

Thanks for the recommendation.  I just checked out their website and sent them an email!  I hope they have a solution.

 

- Ara



#4 Binary Star

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Posted 14 January 2022 - 09:38 PM

Ara, if you haven't already done so it might be worth a call to Astro-Physics.  Although it doesn't look like they have a direct solution on their website, maybe they have a contact that could help since you're already using their pier adapter.

 

Jim R.


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#5 Raginar

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Posted 16 January 2022 - 12:41 AM

Two aluminum or steel squares. Some 1/2” threaded rods and nuts/washers to balance it out. Quick and easy.
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#6 Cosmo Geezer

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Posted 17 January 2022 - 01:30 PM

Get a boat seat pedestal. They are cheap, sturdy and come in different heights and will bolt right up.


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