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Gibertini 1.25M On Smw Polar Mount
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<blockquote data-quote="Llew" data-source="post: 879418" data-attributes="member: 175007"><p>The SMW OA1050 has an offset angle of 26.5°, whereas my Gibertini 1.25M is 21.3°.This meant I needed to set the declination angle 5.2° higher.</p><p></p><p>As I have mentioned, there's no method of adjusting the declination of my Gibertini / SMW polar mount, so I had to fall back on the crude method SMW uses.</p><p></p><p>I placed a spacer (actually two metal strips, total 7mm) under the bottom flange of the polar mount, as shown in the second pic. Trial and error, but it gives me the correct declination. It was of course necessary to loosen the top flange nuts to enable me to slide the bars in the bottom flange.Retightening them means the top flange isn't quite flush with the Gibertini back plate, but it's perfectly OK.</p><p></p><p>The SMW diagram (G) shows how the positioning of the spacers correlate with the latitude where the dish resides.</p><p></p><p>Actuator shown the SMW page is of course the original method of fixing, before they supplied the means of fixing a conventional actuator.</p></blockquote><p></p>
[QUOTE="Llew, post: 879418, member: 175007"] The SMW OA1050 has an offset angle of 26.5°, whereas my Gibertini 1.25M is 21.3°.This meant I needed to set the declination angle 5.2° higher. As I have mentioned, there's no method of adjusting the declination of my Gibertini / SMW polar mount, so I had to fall back on the crude method SMW uses. I placed a spacer (actually two metal strips, total 7mm) under the bottom flange of the polar mount, as shown in the second pic. Trial and error, but it gives me the correct declination. It was of course necessary to loosen the top flange nuts to enable me to slide the bars in the bottom flange.Retightening them means the top flange isn't quite flush with the Gibertini back plate, but it's perfectly OK. The SMW diagram (G) shows how the positioning of the spacers correlate with the latitude where the dish resides. Actuator shown the SMW page is of course the original method of fixing, before they supplied the means of fixing a conventional actuator. [/QUOTE]
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Gibertini 1.25M On Smw Polar Mount
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