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Re: DIY Spring Loaded Worms for the G11


 

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Thanks Brent -

If the PEC sensor is directly reading the worm shaft itself, it would be on the large pulley which attaches to the worm itself, and not the motor.? If the PEC sensor can be divided by the appropriate ratio in the config (ie. 1:3.75) then you could have it on the smaller pulley which is connected to? the motor.? I would think having it on the motor would have greater accuracy, but you would have to find a motor with an extra long shaft.?? Putting it on the large pulley side would probably be easier, since you can simply buy a 5mm shaft in whatever length you desire.? Either way, it seems like you would just have to drill through the cover to pass the shaft through.? Sadly I'm a little unfamiliar with how it actually works in OnStep.? I don't run native PEC at all, and only occasionally use the Predictive PEC algo in PHD2.

As for tensioning the belt with this bracket, its very simply.? Just gently hold the motor to one side to tension, and snug the screws with the other hand.? I didnt find rockmover's brackets to be terribly difficult to tension, but since the cap screws are inside the bracket, it might be tougher to get the hex key in? there.? It's certainly tougher to initially put the screws in.

There's a slight chance the clouds might hold off for an hour or two after sunset, in which case I might be able to test the brackets tonight.? Otherwise, wednesday is? the next earliest reasonably clear sky here in NY.

Thanks,
-Tony


On 6/20/2021 10:37 AM, bjaffa Jaffa wrote:


Thanks GuitsBoy,

I apologize, I did not read your first post detailed enough as I was too excited to see the simpler approach over rockmover.
When I read it again I realized it was stabilized. I agree that the idealer pulley probably is not needed. It was just hard to tension
the belt with rockmovers design.
As for the PEC, I believe that as long as the large pulley shaft (attached to the motor) extends out your cover
a PEC sensor (if you want I could send you the url) double backed to your cover and attached to the shaft. Then the correct?
ratio added to the config.sys for PEC.
Thanks for the additional images?

Brent

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