Re: How to mount an AP 900 on an AP 10 inch pier

Christopher Erickson

The 1200SPA (standard pier adapter) should do what you want.

"The adapter plate fits into your Astro-Physics Portable Pier and is bolted
from the side or bolts on top of a flat surface. In late 2007, four
additional holes were tapped into this plate to allow the 900 Standard Pier
Adapter (900SPA) or the 900 Flat Surface Adapter (900FSA) to be used on a
10" pier."

Christopher Erickson
Consulting Engineer
Summit Kinetics
Waikoloa, HI 96738

-----Original Message-----
From: ap-gto@... [mailto:ap-gto@...] On Behalf Of
Sent: Sunday, July 21, 2013 7:06 PM
To: ap-gto@...
Subject: [ap-gto] How to mount an AP 900 on an AP 10 inch pier

Hi All,

I just acquired a 900 mount and I would like to mount it on top of a
standard 10" AP pier that I had been using for my 1200.

Is there a simple and elegant solution to accomplish this? For instance, a
pier adapter the size of the 1200 Standard Pier Adapter (1200SPA) but
drilled and tapped for the 900?

Thanks in advance for the help.

Dean J.


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