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Old 10-31-2019, 09:26 AM
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spacerunner spacerunner is offline
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Join Date: Apr 2012
Location: Filderstadt, Germany
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Hello everybody,

and now to the Part 1, which is small, but looks relatively simple, although in this image it is half hidden by the Distribution box.


Source: georgesrockets.com (George Gassaway)

After I had punched it with the Chisel cutter out of an ABS Plate (1 mm) and smoothed the edges, it was glued at this point, directly in the corner between the Distribution box and the Cable Tray,



as one can see in these two images.





Then it went on with the Part 2, whose shape one can only partially see in the photos, which has made the determination of the dimensions more difficult. Therefore, here again for a better distinction the color-coded Parts (1-6) with their partially hidden contours.


Source: forum.nasaspaceflight.com (DaveS)

In the next photo, it looks like Part 2 is directly adjacent to the green end part of the Crossbeam (Ball interface fitting), what I first assumed, but which is not the case. On the other side, it is directly adjacent to the LO2 Feedline Bracket, what one can clearly see in the zoom.


Source: NASA

And from this image I have determined some dimensions of the parts, whereby in my experience for the determination of Heights one should also use a Reference height, and for Widths accordingly a Reference width too.



Since this is still not enough to be able to scratch the parts, I've analyzed this already several times shown photo (rotated) for the remaining dimensions, which is very well suited because of its high zoom resolution.


Source: forum.nasaspaceflight.com (DaveS)

However, this image is very confusing due to the many dimensions, which is why Part 2 can be seen here again separately.

Strictly speaking, the bottom of the part is not flat, but has down this triangular extension, but which I have not marked here and will suppress, since with about 0,4 mm it should be almost "invisible" and can be safely neglected ...



With these dimensions, I've then tried to scratch the part, whereby I first wanted to place it in an Evergreen strip (1 mm x 2 mm),



but which seemed a bit too puny to me. Therefore, I will start another trial with an ABS Plate (1 mm) too.



Previously I had drilled the opening for the GO2 Press. Line (Ø 0,4 mm) into the Umbilical Plate and threaded the Nickel Silver Rod on a trial basis.



That should be enough for today.

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Manfred
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Launch Pad 39A with Challenger STS-6 (1:144)
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