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Hubble Space Telescope
Assembled HSK kit
Space Craft SCIENCE KIT
Assembly Instructions
Web Version 3.2
The photo shows an assembled HST Space Craft (tm) SCIENCE KIT.
These instructions are for use with the "Online Kit" laser-cut Parts Sheets.
1. ASSEMBLE THE AFT SHROUD.
HST's AFT SHROUD is a cylinder which surrounds the spacecraft's optical instruments and some other equipment.
It has doors and handrails for servicing on orbit by astronauts.
Select the small rectangular Parts Sheet C from the kit. Find the words AFT SHROUD at one end of the silver side. Smear
a small amount of low-moisture glue, using a glue stick, along the whole end, covering the words AFT SHROUD, and
making the glue-smear exactly 1/2 inch (13mm) wide (measure first, and mark with pencil). Make sure the glue extends
all the way to the edge of the paper which is below the words AFT SHROUD. Use of low
moisture glue is intended to prevent making the seam soggy, which would cause an
uneven bend in the resulting cylinder.
Bring the opposite edge around, forming a cylinder with the silver side out. Overlap
exactly the measured and marked 1/2 inch (13mm) onto the glue, covering a little of the
printed detail. Adjust so that the overlap is straight. Press and hold the surfaces together
tightly until the glue sets. It helps to insert a ruler into the cylinder and press the seam.
Avoid creasing the tube, so it remains round.
From parts sheet A release the circular AFT BULKHEAD (labelled on the back). Place it
silver-side down on your work surface. Look for the letter K near the edge at one point (K
will mark the direction to the Keel fitting, later).
Set the cylindrical AFT SHROUD down on top of the AFT BULKHEAD so that the seam, as
viewed from outside, is aligned with the K. SCI's address inside should be down toward the
AFT BULKHEAD. Apply glue to hold them together, and let dry.
From parts sheet A release the circular PRIMARY MIRROR ASSEMBLY. Place it silver-side
down on your work surface.The protrusion near the letter K is the Keel fitting.
Turn the AFT SHROUD over, and set its open end down on top of the PRIMARY MIRROR
ASSEMBLY so that the middle of the 1/2-inch glued seam is aligned with the K. Apply
glue to hold them together, and let dry with a flat object, like a coaster, balanced on
top to press down.
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Hubble Space Telescope Assembly Instructions
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Summary of Contents for SCI Space Craft HST SCIENCE KIT
- Page 1 Set the cylindrical AFT SHROUD down on top of the AFT BULKHEAD so that the seam, as viewed from outside, is aligned with the K. SCI’s address inside should be down toward the AFT BULKHEAD. Apply glue to hold them together, and let dry.
- Page 2 Keel fitting, marked with an arrow, is centered below and between the two black circles on the tube. To be precise, the printed arrow should align midway between the letters P.O in SCI’s address at the base of the tube.
- Page 3 4. INSTALL THE EQUIPMENT MODULES. The Support Systems Module and Optical Telescope Assembly Equipment Section house electronics and computers for attitude control, command processing, flight science data processing, etc. They also house components such as radios, batteries, and other support systems. IMPORTANT CORRECTION: Refer to the back side of HST Parts Sheet A: o On the part labelled OTA EQUIPMENT SECTION: Change OTA to read SSM.
- Page 4 6. INSTALL THE APERTURE DOOR. Normally wide open during scientific observations, the aperture door closes automatically if the HST reverts to its “safe” mode, and prevents bright sunlight, moonlight, or earthlight from inadvertantly flooding the instruments through the telescope. From sheet A, release the large APERTURE DOOR. With the silver side up, crease the two narrow side strips down 90 degrees.
- Page 5 Place the glue-covered,L-shaped base of the HGA boom down onto the L-shaped glue patch on the TELESCOPE TUBE.Hold it until thoroughly dry, with the HGA boom standing straight out from the TELESCOPE TUBE. It does not matter which way the HGA dish faces, since it is free to articulate on the actual spacecraft, but the HGA BOOM must come out perpendicular to the SOLAR ARRAY SUPPORTS.
- Page 6 9. INSTALL THE REMAINING HANDRAILS. From sheet B release the three yellow LONG HANDRAILS. Fold the prongs of each pair in opposite directions. Apply glue to the prongs of one HANDRAIL, and mount it standing up off the seam of the AFT SHROUD, aft of the printed doors. Apply glue to the prongs, and mount another handrail, also running fore and aft on the AFT SHROUD, in the open spaces beside the black printed ovals as shown: From sheet A release the two yellow SHORT HANDRAILS.
- Page 7 NOTE: skip this step if you want to display your completed HST model by standing it upright on its AFT BULKHEAD. Congratulations! This completes your HST SCIENCE KIT Model. Copyright © 2007 SCI Space Craft International, Pasadena, California USA. Space Craft and SCIENCE KIT are Trademarks of SCI. Hubble Space Telescope Assembly Instructions...