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Messages 10588 - 10617 of 12110   Oldest  |  < Older  |  Newer >  |  Newest
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10588
http://www.hpcgears.com/ Look this one the best, ................ Regards, Ivan Gonzalez ... [Non-text portions of this message have been removed]...
ivangonzalez
baldomeroivan
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Aug 1, 2008
9:26 pm
10589
Look this one http://www.hpcgears.com/ I think the bes i the world, .... !!!! Regards, Ivan Gonzalez ... [Non-text portions of this message have been removed]...
ivangonzalez
baldomeroivan
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Aug 1, 2008
9:26 pm
10590
The LXD55 mount head is, in my opinion, superior to the Celestron/Synta CG-5. At least it uses brass for bearing surfaces rather than the housing's alloy. It...
George Cushing
pinyachta
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Aug 2, 2008
4:36 pm
10591
This is a little parochial ...but I use 5 ways belts and bearings from Essex. I bought a 24 foot length of 1/2" pitch to drive the inside of the dome and two...
leyendamike
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Aug 2, 2008
7:43 pm
10592
Hi All, just thinking, is there a schematic diagram for a "simple" servo dual axis drive? I was thinking of making one. It is hard to get the LXD75 motors, and...
miki63au
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Aug 3, 2008
4:23 am
10593
Hi I don't have any actual diagrams but if you are just using servo motors and not interested in a goto type of system then it's really quite simple as all you...
Peter Richens
prichens
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Aug 3, 2008
6:20 am
10594
Hi Peter, I think drive it without motion feedback, pure dc regulator just not enough. I know the Jaycar motors. My idea is to design with the optical...
miki63au
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Aug 3, 2008
9:44 am
10595
I would be interested in that myself. But I would also want high speed slewing. Doug ... -- A good day to Golf is a better day to Fish [Non-text portions of...
doug bailey
baileydoug76
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Aug 3, 2008
12:41 pm
10596
... See eBay item 140253200349. At 3 tons I wouldn't want to blunder into this one! Geo....
George Cushing
pinyachta
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Aug 3, 2008
3:17 pm
10597
I don' think you will be able to get accurate sky tracking using servos/PWM unless you set up a closed feedback loop via axis optical encoders. That makes...
Christopher Erickson
data_plumber1
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Aug 3, 2008
4:42 pm
10598
Hi Everyone: I am told this is the place if you have Celestron goto stuff. Presently, I am trying to move the guts of a 114gt onto a meade 2080 gem to convert...
Dan
drm92110
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Aug 4, 2008
6:50 am
10599
One of the reasons the Meade Autostar system is so adaptable that changing the ratios is very straight forward. Generally the Nexstar system does not share tht...
George Cushing
pinyachta
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Aug 4, 2008
3:49 pm
10600
George: Thanks once again for your amazing input. My controller has the two star option so it is no doubt not the one you referred to. I have not actually...
Danny Mcdonald
drm92110
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Aug 4, 2008
4:04 pm
10601
Great Links! - thanks guys. Malcolm ... <mailto:RoboScope%40yahoogroups.com>]On ... long. ... month ... <mailto:RoboScope%40yahoogroups.com>]On ... ...
Malcolm
dobguy
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Aug 4, 2008
5:41 pm
10602
Hi Mick SO what you want is a drive system that can be set-up for computer control or some form of pointer system that will remember how many steps you have ...
Peter Richens
prichens
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Aug 5, 2008
4:32 am
10603
No, I don't want go-to. There is plenty of options for that. I just like to have good tracking, with perhaps 2 speed for correction. The idea is to make it...
miki63au
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Aug 5, 2008
5:33 am
10604
HI there Miki, I don't know if this would help, But model trains have micro chips for motor control and they can be configured for most D.C. motors. They also...
JACK BRADFORD
humboldtpac
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Aug 5, 2008
7:44 am
10605
Miki, foregot to add some chips are R.C chips. Jack miki63au <msz@...> wrote: No, I don't want go-to. There is plenty of options for that. I just like...
JACK BRADFORD
humboldtpac
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Aug 5, 2008
7:44 am
10606
Hi Jack, thanks for the tip. I don't know enough about the model controllers. I assume the feedback is position sensor pot. I don't know if that accurate...
miki63au
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Aug 5, 2008
8:02 am
10607
The problem with servos (and DC motors driven by PWM) is that without axis encoder feedback, any kind of accurate tracking will be effectively impossible. Of...
Christopher Erickson
data_plumber1
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Aug 5, 2008
8:24 am
10608
Hi Miki, It's all digital PWM . Most have a 126 speed steps and and a programable curve. Jack miki63au <msz@...> wrote: Hi Jack, thanks for the tip. I...
JACK BRADFORD
humboldtpac
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Aug 5, 2008
8:36 am
10609
... 126 speed steps corresponds to a 7-bit command word. Compare to the Autostar's communication with the DS motor cards, which uses a 24 bit (6 million speed...
autostaretx
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Aug 5, 2008
2:38 pm
10610
Hi Mike, If you're just after a 2-speed controller on the cheap I'd suggest being on the lookout for one of the original non-GOTO EQ6 or HEQ5 controllers and...
Darren Hutchinson
astroesq
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Aug 5, 2008
4:07 pm
10611
I dont know if this is news or helpful but here goes! Telescope warehouse have these in Ebay,bought from him before Very helpful Meade 492 DS telescope motor...
imcdundee
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Aug 5, 2008
8:43 pm
10612
I purchased one of these sets from Telescope Warehouse, and I have to say it was a pleasure doing business with them. Shipping was fast, great communication,...
eagleshadow70
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Aug 6, 2008
2:30 am
10613
Ok so if you don't want a goto system then why do you need any feedback from the motors? ... From: RoboScope@yahoogroups.com...
Peter Richens
prichens
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Aug 6, 2008
5:33 am
10614
Peter, a dc motor will not run in a constant speed unless you control it. Back in the old days Meade had the LX10 with dc motor and only a linear regulator. It...
miki63au
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Aug 6, 2008
7:04 am
10615
The first spin of the custom circuit board for the advanced 909 http://home.comcast.net/~lynol1000/as_909/as_909_clone.htm was successful and provides for: ·...
lynol1000
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Aug 9, 2008
12:58 am
10616
... yes i need a lx3 din plug controller thanks in advance folks...
anthonywd22455
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Aug 9, 2008
3:43 am
10617
... Pretty scarce. I've got a spare that needs to be tested or roll your own: http://tech.groups.yahoo.com/group/MEADE-LX5-LX6/files/LX3%20Wiring/ Not sure...
George Cushing
pinyachta
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Aug 9, 2008
1:21 pm
Messages 10588 - 10617 of 12110   Oldest  |  < Older  |  Newer >  |  Newest
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