ScopeMounts at Yahoo! Groups

Re: Qustion on DEC. drive

John — Tue, 07 May 2013 21:42:50 GMT

Hi Chrstopher, Maybe start with the easy and cheaper (dual-axis drives with sky tracking) method for now, then upgrade latter. Thanks John ... optical encoder

Re: Qustion on DEC. drive

jacot — Tue, 07 May 2013 20:57:47 GMT

IF you are a GOOD A T M er' Maybe this group can help you We made our controller

Re: Qustion on DEC. drive

Christopher Erickson — Tue, 07 May 2013 20:24:53 GMT

Continuous servos are driven by PWM via a microcontroller with optical encoder feedback so yes, their speed can be controlled rather precisely. Are you looking

Re: Qustion on DEC. drive

John R Pierce — Tue, 07 May 2013 20:16:46 GMT

... 4000 tick per full turn directly on the mount axis will give you 5.4 arc-minute precision? I guess that's adequate for visual go-to, but falls pretty

Re: Qustion on DEC. drive

John — Tue, 07 May 2013 19:36:11 GMT

Hell John Thanks for the reply. Right now the encoders are 4,000 tic from JMI with the NGC-MAX push to computer, and are attached to the mount axis. The RA

Re: Qustion on DEC. drive

John R Pierce — Tue, 07 May 2013 17:14:20 GMT

... It seems obvious that the larger DEC wheel will give you finer resolution, at the expense of slower slew rate, assuming the same size drive wheel. the

Qustion on DEC. drive

majorobs14 — Tue, 07 May 2013 16:27:39 GMT

Hello group, Can any one tell me if it matters what size worm wheel or roller disk diameter I use on the dec. axis on an eq. fork mount for GOTO? Ex. Can I use

Universe To Scale

frank s — Sun, 14 Apr 2013 16:54:30 GMT

http://htwins.net/scale2/ use left and right arrows

Re: LX200 classic

Christopher Erickson — Wed, 10 Apr 2013 02:02:18 GMT

rsampsonus "at" yahoo.com Christopher Erickson Consulting Engineer Summit Kinetics Waikoloa, HI 96738 www.summitkinetics.com ________________________________

Re: LX200 classic

Freddy Diaz — Wed, 10 Apr 2013 01:16:21 GMT

How my peer can contact Ron? Freddy From: ScopeMounts@yahoogroups.com [mailto:ScopeMounts@yahoogroups.com] On Behalf Of Christopher Erickson Sent: Tuesday,

Re: LX200 classic

Freddy Diaz — Wed, 10 Apr 2013 01:15:49 GMT

Thanks for your answer, I'll pass the information to the owner, he mentioned they tried to adjust the pots but that didn't work. So they decided to replace the

Re: LX200 classic

Christopher Erickson — Tue, 09 Apr 2013 18:27:36 GMT

Motor runaway on a Classic LX200 scope is almost-always caused by the aging of components and can be fixed by adjusting the pots (potentiometers) on the motor

LX200 classic

Freddy Diaz — Tue, 09 Apr 2013 18:09:13 GMT

One of the member of my astronomy club has a LX200 12 inch scope (classic) One day it started with a runaway in DEC, the person who was working with him

Two spare LX200GPS-16 motherboards for sale.

Christopher Erickson — Tue, 09 Apr 2013 06:38:55 GMT

Due to several client bureaucratic repair decisions beyond my influence, I have ended up with two brand-new, unused motherboards for the 16" LX200GPS scope. If

Re: Li Tong, We have a meeting with Metthew at 4 pm on Fri March 8.

Christopher Erickson — Fri, 08 Mar 2013 16:26:16 GMT

What?? Christopher Erickson Consulting Engineer Summit Kinetics Waikoloa, HI 96738 www.summitkinetics.com _____ From: ScopeMounts@yahoogroups.com