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Thread: From the ashes...

  1. #71
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    Default Re: From the ashes...



    The yokes were finally glued and screwed to the triangle. I used stainless-steel screws, as those will be exposed somewhat. The hub is now fully assembled...

    https://www.flickr.com/photos/140554...posted-public/

    The triangle, to which the yokes were attached, started out at 2.5" in length on all three sides. I then cut it down to 2.25". But in the end, I cut it down to 2.0625"; just 1/16" over 2". I did want the hub as small as possible.
    bladekeeper likes this.
    "Look, son! Up there!" His son shouted back, "I see it! What is it?" The father regaled, "The galaxy! Andromeda! Our origin, our destiny!" And so the boy was hooked, and for the rest of his natural life.

    Alan - Takahashi FS-102, Parks Optical 8" f/5, Orion StarBlast 6, Zhumell Z100, assorted achromats 50mm to 90mm
    BGO 5, 6, 7, 9, 12.5mm; UO Konig II 12mm, 16mm; Tani 20mm Erfle; Vixen NPL 6mm, 30mm

  2. #72
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    Default Re: From the ashes...

    I had to remove one of the yokes, as I had added wood dough to fill a slight cavity, but the dough ended up kicking one end up slightly, seen still at upper left point of the triangle, but not as bad now. Once I removed the screws, I used a chisel to pop it off, which it did, and cleanly. It's now glued back in place satisfactorily. Here, I have the spreader's hub situated over the tripod-hub of my EQ-2...

    https://www.flickr.com/photos/140554...posted-public/

    I don't expect to fold the legs together to where their tips meet and touch, and in forming a long, slender cone. I simply want to be able to fold them up to where I can carry the tripod in and out more easily. Before, with its fixed tray, I couldn't fold up the legs at all.
    bladekeeper likes this.
    "Look, son! Up there!" His son shouted back, "I see it! What is it?" The father regaled, "The galaxy! Andromeda! Our origin, our destiny!" And so the boy was hooked, and for the rest of his natural life.

    Alan - Takahashi FS-102, Parks Optical 8" f/5, Orion StarBlast 6, Zhumell Z100, assorted achromats 50mm to 90mm
    BGO 5, 6, 7, 9, 12.5mm; UO Konig II 12mm, 16mm; Tani 20mm Erfle; Vixen NPL 6mm, 30mm

  3. #73
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    Default Re: From the ashes...

    Before the spreader's arms are fashioned, this aspect must be decided upon first...

    https://www.flickr.com/photos/140554...posted-public/

    30°, or 25°...30°, or 25°...30°, or 25°...

    I'm probably going to go with a 25° angle.
    bladekeeper likes this.
    "Look, son! Up there!" His son shouted back, "I see it! What is it?" The father regaled, "The galaxy! Andromeda! Our origin, our destiny!" And so the boy was hooked, and for the rest of his natural life.

    Alan - Takahashi FS-102, Parks Optical 8" f/5, Orion StarBlast 6, Zhumell Z100, assorted achromats 50mm to 90mm
    BGO 5, 6, 7, 9, 12.5mm; UO Konig II 12mm, 16mm; Tani 20mm Erfle; Vixen NPL 6mm, 30mm

  4. #74
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    Default Re: From the ashes...

    At last...

    https://www.flickr.com/photos/140554...posted-public/

    I finally got around to drilling out the braces' threaded inserts, a total of six. However, four of the six popped out whilst drilling them, but no matter at all, as they're serving as spacers only within this configuration. It was actually fortunate that one had popped out of two of the braces, as that allows far greater ease in aligning and attaching the yokes. Both inserts had popped out of one of the braces, but again, no matter. Actually, I had purposely popped one out of one brace.

    It was verily the devil's own brew in accomplishing that, and with my baby drill-press and a drill-press vise. By far, that has been and will be the most difficult aspect of this entire project.
    bladekeeper and Gabby76 like this.
    "Look, son! Up there!" His son shouted back, "I see it! What is it?" The father regaled, "The galaxy! Andromeda! Our origin, our destiny!" And so the boy was hooked, and for the rest of his natural life.

    Alan - Takahashi FS-102, Parks Optical 8" f/5, Orion StarBlast 6, Zhumell Z100, assorted achromats 50mm to 90mm
    BGO 5, 6, 7, 9, 12.5mm; UO Konig II 12mm, 16mm; Tani 20mm Erfle; Vixen NPL 6mm, 30mm

  5. #75
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    Default Re: From the ashes...

    Just a test-fitting...

    https://www.flickr.com/photos/140554...posted-public/

    https://www.flickr.com/photos/140554...posted-public/

    They're attached to the tripod-hub of the Meade "Large Equatorial" EQ-2, which is about 4.25" in diameter. The hub of my Astro-Tech Voyager I is 4.5" in diameter. That of the Celestron CG-4(EQ-3) is less than 4" in diameter. If, in future, I attach these legs to the hub of an EQ5-class mount, would it be of the same diameter as that of the CG-4? Curiouser and curiouser...

    Once the proper length of the spreader's arms are determined, they will be crafted, and then all of the components will be stained and spar-urethaned. I may need to work out a solution for cushioning the corners of the tips of those yokes when folding up the legs.
    bladekeeper likes this.
    "Look, son! Up there!" His son shouted back, "I see it! What is it?" The father regaled, "The galaxy! Andromeda! Our origin, our destiny!" And so the boy was hooked, and for the rest of his natural life.

    Alan - Takahashi FS-102, Parks Optical 8" f/5, Orion StarBlast 6, Zhumell Z100, assorted achromats 50mm to 90mm
    BGO 5, 6, 7, 9, 12.5mm; UO Konig II 12mm, 16mm; Tani 20mm Erfle; Vixen NPL 6mm, 30mm

  6. #76
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    Default Re: From the ashes...

    Slowly but surely...

    https://www.flickr.com/photos/140554...posted-public/
    https://www.flickr.com/photos/140554...posted-public/

    ...the arms for the spreader are coming into being.

    I have one almost assembled, and once all three are completed they will be trimmed and sanded.
    bladekeeper and Gabby76 like this.
    "Look, son! Up there!" His son shouted back, "I see it! What is it?" The father regaled, "The galaxy! Andromeda! Our origin, our destiny!" And so the boy was hooked, and for the rest of his natural life.

    Alan - Takahashi FS-102, Parks Optical 8" f/5, Orion StarBlast 6, Zhumell Z100, assorted achromats 50mm to 90mm
    BGO 5, 6, 7, 9, 12.5mm; UO Konig II 12mm, 16mm; Tani 20mm Erfle; Vixen NPL 6mm, 30mm

  7. #77
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    Default Re: From the ashes...

    The three arms are near completion. They've had an initial shaping and sanding after the gluing-together...

    https://www.flickr.com/photos/140554...posted-public/

    The maple layers must be sculpted with a Dremel and sanding-drum, sized for a gap-less mating with the layers of oak, and before they can be attached.

    A sneak peek, and of what is to be...

    https://www.flickr.com/photos/140554...posted-public/

    The arms are very close in length, practically perfect, but no matter, as it is the holes to be drilled, one at each end, the distance between them that must be precisely measured. The tips of the arms will be rounded as well.

    Plodding ever onward...
    bladekeeper and Gabby76 like this.
    "Look, son! Up there!" His son shouted back, "I see it! What is it?" The father regaled, "The galaxy! Andromeda! Our origin, our destiny!" And so the boy was hooked, and for the rest of his natural life.

    Alan - Takahashi FS-102, Parks Optical 8" f/5, Orion StarBlast 6, Zhumell Z100, assorted achromats 50mm to 90mm
    BGO 5, 6, 7, 9, 12.5mm; UO Konig II 12mm, 16mm; Tani 20mm Erfle; Vixen NPL 6mm, 30mm

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    bladekeeper (01-07-2019)

  9. #78
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    Default Re: From the ashes...

    The arms are, at last, completed, in so far as their substance. They will require a bit of sanding here and there, the ends rounded, and the holes drilled...

    https://www.flickr.com/photos/140554...posted-public/

    https://www.flickr.com/photos/140554...posted-public/
    bladekeeper and Gabby76 like this.
    "Look, son! Up there!" His son shouted back, "I see it! What is it?" The father regaled, "The galaxy! Andromeda! Our origin, our destiny!" And so the boy was hooked, and for the rest of his natural life.

    Alan - Takahashi FS-102, Parks Optical 8" f/5, Orion StarBlast 6, Zhumell Z100, assorted achromats 50mm to 90mm
    BGO 5, 6, 7, 9, 12.5mm; UO Konig II 12mm, 16mm; Tani 20mm Erfle; Vixen NPL 6mm, 30mm

  10. #79
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    Default Re: From the ashes...

    The ends of the arms have been rounded, but for the holes to be drilled I'll need to make a template...

    https://www.flickr.com/photos/140554...posted-public/

    https://www.flickr.com/photos/140554...posted-public/
    bladekeeper and Gabby76 like this.
    "Look, son! Up there!" His son shouted back, "I see it! What is it?" The father regaled, "The galaxy! Andromeda! Our origin, our destiny!" And so the boy was hooked, and for the rest of his natural life.

    Alan - Takahashi FS-102, Parks Optical 8" f/5, Orion StarBlast 6, Zhumell Z100, assorted achromats 50mm to 90mm
    BGO 5, 6, 7, 9, 12.5mm; UO Konig II 12mm, 16mm; Tani 20mm Erfle; Vixen NPL 6mm, 30mm

  11. #80
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    Default Re: From the ashes...

    bladekeeper and Gabby76 like this.
    "Look, son! Up there!" His son shouted back, "I see it! What is it?" The father regaled, "The galaxy! Andromeda! Our origin, our destiny!" And so the boy was hooked, and for the rest of his natural life.

    Alan - Takahashi FS-102, Parks Optical 8" f/5, Orion StarBlast 6, Zhumell Z100, assorted achromats 50mm to 90mm
    BGO 5, 6, 7, 9, 12.5mm; UO Konig II 12mm, 16mm; Tani 20mm Erfle; Vixen NPL 6mm, 30mm

 

 
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