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skyler
Pooh-Bah
Reged: 08/16/06
Posts: 1364
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Re: Vixen Sphinx vs SXD
05/07/08 04:52 PM
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Just an update to the noise issue for Bowmoreman.
I noticed that someone on the Yahoo groups is possibly reporting less noise with the new 2.0 firmware. It is no where to be seen that I know of but is apparently shipped on some mounts.
The motors are supposed to be different on the SXD vs SXW. I really like the quieter fluttery noise of my SXW versus my
barber's razor noise that comes from my SXD.
Just a note on the SXW, it has a really high backlash setting for RA and Dec (80, 30) and there is no jerkiness at all even with such high settings. It amazes me. If I did that with the SXD, it would be a bucking bronco as I have tested it with the same settings on the SXW. My SXW is an older model from VNA and it is using build 31. I won't update the software since it works and track so very well. When using PHD, backlash reported during the calibration sequence is 0-2 steps maximum. The best thing is that when the calibration is at its completion, the target star returns very close to the dead center crosshairs. The only other mount I have that beats that is the Atlas EQG. It may be meaningless but I have noted that whatever mount I have that can recenter the target star at the end of the PHD calibration sequence, seems to track/guide especially well since it can make effective corrections in both axis w/o backlash.
S
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