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600lb capacity mount

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16 years 6 months ago #67320 by fguihen
Replied by fguihen on topic Re: 600lb capacity mount
I was interested in seeing how this worked also Dave. Found this site:

www.powertransmission.com/issues/0706/harmonic.htm

It provides much more information than i needed!

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16 years 6 months ago #67331 by JohnMurphy
Replied by JohnMurphy on topic Re: 600lb capacity mount
Thanks for the link Fintan - that explains things much better.
However if its comparable in costs to other precision drives, how come we don't see/hear more of it?
Cool idea though - the simplest ideas are usually best.

Clear Skies,
John Murphy
Irish Astronomical Society
Check out My Photos

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16 years 6 months ago #67338 by dave_lillis
Replied by dave_lillis on topic Re: 600lb capacity mount
Its amazing that scope/mount manufacturers don't use this system, considering they go to elaborate software work arounds for the backlash problem that would be permanently solved with this mechanical system.

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor

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16 years 6 months ago #67347 by fguihen
Replied by fguihen on topic Re: 600lb capacity mount
here is a great site, with video diagrams that explains this completely by just viewing a few seconds of video!!

www.harmonicdrive.net/reference/operatingprinciples/

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16 years 6 months ago #67353 by dave_lillis
Replied by dave_lillis on topic Re: 600lb capacity mount
I was having difficulty visualising how it worked, the video shows it very well, thats a very clever system !!!

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor

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16 years 6 months ago #67356 by jeyjey
Replied by jeyjey on topic Re: 600lb capacity mount
It's pretty ingenious. (Thanks for the links Fintan.)

-- Jeff.

Nikon 18x70s / UA Millennium                              Colorado:
Solarscope SF70 / TV Pronto / AP400QMD             Coronado SolarMax40 DS / Bogen 055+3130
APM MC1610 / Tak FC-125 / AP1200GTO               Tak Mewlon 250 / AP600EGTO

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