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27 Feb 2017
INDI development team is happy to announce the release of INDI Library v1.4.0. This new exciting release builds on the maturity of INDI Library and comes with many new supported devices and fixes for existing drivers. Several improvements and enhancements are included in this release including native support for Cygwin and MacOS platforms in addition to Linux, BSD, and Windows (Client only).
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TOPIC: Belt mode on HEQ5 - how to change gear ration ?

Belt mode on HEQ5 - how to change gear ration ? 1 month 1 week ago #16129

  • Vox45
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I modded my Sirius (HEQ5) mount with Rowan Belt mode. After watching a video on ASCOM and custom gear ratio, I suspect that you have to change the ratio in INDI as well but I could not find where to do that in INDI/Ekos ?

Anyone had to play with this ?

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Belt mode on HEQ5 - how to change gear ration ? 2 weeks 5 days ago #16473

Would you have a link to that video you watched please? I'm also thinking of doing the mod to y HEQ5 mount but I've never heard you had to change any ratios anywhere.

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Kstars Mac osx
Odroid C1 running indiserver (kept up-to-date with apt-get update/upgrade)
HEQ5 pro / Atik titan / Atik 314L+

Belt mode on HEQ5 - how to change gear ration ? 2 weeks 5 days ago #16475

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Hello

Here is the link for the video: EQASCOM: Custom Gearing Ratios by Chris Shillito (the video is only 2m20s)



Maybe I misunderstood what he meant... Let me know what you think

Thanks!

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Belt mode on HEQ5 - how to change gear ration ? 2 weeks 5 days ago #16476

I've fitted the Rowan kit to my HEQ5 Pro and it keeps the same ratios as before. Not sure about the HEQ 5 though.

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Belt mode on HEQ5 - how to change gear ration ? 2 weeks 5 days ago #16482

Thanks for the video link, yes this is when you for example retrofit motors to an EQ3-2 ( I had done the mod before) and you use non-standard cogs.
The installation instructions at www.rowanastronomy.com/pdf/HEQ5-Belt-Kit.pdf do not mention having to reconfigure anything.
www.rowanastronomy.com/productsa1.htm#heq5beltkit

The pulley ratio is the same as the factory gears. This means the
Synscan hand controller is unaffected by this upgrade. All Synscan
functions will operate as before.

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Kstars Mac osx
Odroid C1 running indiserver (kept up-to-date with apt-get update/upgrade)
HEQ5 pro / Atik titan / Atik 314L+

Belt mode on HEQ5 - how to change gear ration ? 2 weeks 5 days ago #16483

For those who have the done the mod, was it worth it?
I can't stand the grinding noise, it's not pleasant to my ears.

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Kstars Mac osx
Odroid C1 running indiserver (kept up-to-date with apt-get update/upgrade)
HEQ5 pro / Atik titan / Atik 314L+

Belt mode on HEQ5 - how to change gear ration ? 2 weeks 5 days ago #16484

  • Vox45
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Ok thanks for looking this up ! I knew I've read it somewhere but could not remember and then I saw this video and went into panic mode :)

Here is a video i shot showing the difference in noise. the mode also help with backlash. I think it is quite worthwile when you compare the cost of your whole setup to the cost of the mode. I would say that the cost/benefit ratio is quite good :)



If you decide to do the mode, please buy the extraction tool ! I could not have succeded without it.
The following user(s) said Thank You: Gonzothegreat, TallFurryMan

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Last Edit: by Vox45.

Belt mode on HEQ5 - how to change gear ration ? 2 weeks 5 days ago #16485

night and day difference there. thanks for posting that video too, nice comparison.

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Kstars Mac osx
Odroid C1 running indiserver (kept up-to-date with apt-get update/upgrade)
HEQ5 pro / Atik titan / Atik 314L+
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