Re: Advice please: Standard verus Rotating Pier Adapter

Joe Zeglinski

Hi Kent,

Yes, I dislike using the term "fork", for this AP mount's part, but that
is what they call the "pair of vertical plates and bottom plate" that support
the Polar axle. I guess it really looks like and serves as a "fork for the
assembly", but not a "fork mount for a telescope". That really confuses
discussions about mounts, since we use the short form "fork" to imply "mount".

What do you think would be a better term to describe the base plate with
the two vertical side plates? Perhaps AP might accept using a different term
to describe their "base fork", from now on.

Alternatively, we could simply change the part's terminology to a "yoke" -
or will that now imply a form of "horse shoe" telescope mount?

How about replacing the AP "base fork" terminology with the word "BENDIX"
(if that is the correct spelling)?
If I recall correctly, there is a "fork-like" sliding part on the shaft of
every automobile's starter motor, that momentarily pushes the small starter
pinion into the main gear of the car's transmission, when you crank the
engine - so maybe we can suggest that AP change their confusing term, to an AP
mount's "Bendix".
Any auto mechanics out there that can correct me on this?

Other suggestions?


----- Original Message -----
From: <>
To: <>
Sent: Tuesday, April 17, 2007 11:31 PM
Subject: Re: [ap-gto] Re: Advice please: Standard verus Rotating Pier Adapter

In a message dated 4/17/07 8:48:38 PM, writes:

The AP900 RA with fork is 35 lbs.
'with fork' ??? What fork?

German equatorial mounts don't have forks, unless you are referring to the
mount's side plates.

Kent Kirkley

See what's free at

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