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ap-gto · AP GTO

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Group Information

  • Members: 2210
  • Category: Amateur
  • Founded: Jun 13, 1999
  • Language: English
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Activity within 7 days:

2 New Members - 69 New Messages

Description

Greetings! This group is for discussions of Astro-Physics German equatorial telescope mounts with Goto capability, including use of related software such as PEMPro and images made with AP mounts. The group is intended as a friendly place where people interested in these topics may carry out constructive discussions of their equipment, without most of the product bashing and personal feuds that sometimes dominate other venues. We are very fortunate that Roland and Marj Christen and some of their employees provide valuable contributions to the group.

Most Recent Messages

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Re: Counterweight Shaft Extension
Hi Joe, Thanks for all the input. It's good to know you've had success with the extension. With my side-by-side setup (two scopes, two cameras, mounting
Posted - Sun May 19, 2013 12:39 am
Armand p
ap1600gto
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Re: Counterweight Shaft Extension
Edd, While I agree with your conjecture, when "slewing" in RA is required, I wonder if overcoming the inertia might not be as quick when only a "bump" of that
Posted - Sat May 18, 2013 9:22 pm
Joseph Zeglinski
astrojaz
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Re: Counterweight Shaft Extension
The way I see it is that the moment of inertia only comes into play when the motors have to get the RA axis rotating from a standing start. Once rotating at a
Posted - Sat May 18, 2013 6:09 pm
eddwen2001
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Re: Counterweight Shaft Extension
Inertia is the resistance of a mass to change speed or direction. Torque is is a force or weight acting at a distance. I don't t think you should group inertia
Posted - Fri May 17, 2013 11:23 pm
jimmyjujames
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Re: Counterweight Shaft Extension
Correct: torque is the rotational equivalent of (linear) force and moment of inertia is the rotational equivalent of mass (or simply, inertia). However, the
Posted - Fri May 17, 2013 9:27 pm
Armand p
ap1600gto
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