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;Laser Pointers (Fixed) | ;Laser Pointers (Fixed) | ||
: Does not conform to AFSPCMAN 91-710, Volume 3 § 8.2.2, in turn violates CubeSat Design Specification Rev. 13 § 3.1.7 | : Does not conform to AFSPCMAN 91-710, Volume 3 § 8.2.2, in turn violates CubeSat Design Specification Rev. 13 § 3.1.7 | ||
− | :These three laser points will effectively point in 3 different random directions, which is not safe for other objects around this Cubesat. It depends on the power of the laser pointers but, in general a laser over 5 mW can heat up and damage things given enough time.{{ | + | :These three laser points will effectively point in 3 different random directions, which is not safe for other objects around this Cubesat. It depends on the power of the laser pointers but, in general a laser over 5 mW can heat up and damage things given enough time.{{Citation needed|reason=Why is a laser pointer dangerous?|date=May 2018}}. Of course, with the satellite being in orbit it could potentially mess up the optical sensors of other satellites, but it would be a matter of chance. This could also be a reference to the book ''What If?'', specifically the chapter ''Laser Pointer''. |
;Laser Pointer (Hubble-Seeking) | ;Laser Pointer (Hubble-Seeking) | ||
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: Violates CubeSat Design Specification Rev. 13 § 3.1.6 | : Violates CubeSat Design Specification Rev. 13 § 3.1.6 | ||
: Does not conform to AFSPCMAN 91-710, Volume 3 § 10.1.3, in turn violates CubeSat Design Specification Rev. 13 § 3.1.7 | : Does not conform to AFSPCMAN 91-710, Volume 3 § 10.1.3, in turn violates CubeSat Design Specification Rev. 13 § 3.1.7 | ||
− | : | + | :{{w|Exxon Valdez oil spill}}, {{w|Deepwater Horizon explosion}}, {{w|Keystone Pipeline#Leaks and 2017 South Dakota spill|Keystone Pipeline leaks}}... need we say more? Of course the leakable volume would not be near those levels, but plenty dangerous nonetheless if it were to leak though a faulty seal or weld breakage or stress fractures. Containment and cleanup of such a leak would not be helped by the fact that such leakage could occur in orbit or even during launch. Oil spills in orbit might even present new and unexpected complications due to unusual behavior of liquids in vacuum and microgravity. |
;Volatile Epoxy Seal | ;Volatile Epoxy Seal | ||
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;Batteries (eBay) | ;Batteries (eBay) | ||
− | :The quality of batteries bought on auction sites can vary widely, and certain batteries exposed to conditions outside their design specifications can {{w|Battery_(electricity)#Explosion|explode or leak corrosive | + | :The quality of batteries bought on auction sites can vary widely, and certain batteries exposed to conditions outside their design specifications can {{w|Battery_(electricity)#Explosion|explode or leak corrosive acids}}. These batteries might also be connected to the adjacent spark plug. Non-rechargable commercial batteries may leak or explode if a recharge is attempted, so if this is the intention of the Solar Panel, these would escalate into an even greater risk. |
;Wet Sand Dispenser | ;Wet Sand Dispenser | ||
− | :Violates CubeSat Design Specification Rev. 13 § | + | :Violates CubeSat Design Specification Rev. 13 § 3.4.3 |
:Possible reference to the {{w|Kessler syndrome}}, which refers to a hypothetical situation wherein there are enough objects floating around in low earth orbit that collisions between objects might result in a "domino effect," each collision causing more collisions and breaking objects into smaller pieces of space debris, which increase the likelihood of further collisions. Wet sand exhibits a high grip:slip ratio, where the surface tension of the water tends to make particulates clingy. Sand (silica granules) can be very harmful to a wide variety of systems, due to its hardness & abrasive qualities. Depending upon the pattern of water sublimation in either shaded or sunlit zones, the exact behavior of various quantities of "wet sand" in low Earth-orbital space might be of interest to the designers of this and of other spacecraft. | :Possible reference to the {{w|Kessler syndrome}}, which refers to a hypothetical situation wherein there are enough objects floating around in low earth orbit that collisions between objects might result in a "domino effect," each collision causing more collisions and breaking objects into smaller pieces of space debris, which increase the likelihood of further collisions. Wet sand exhibits a high grip:slip ratio, where the surface tension of the water tends to make particulates clingy. Sand (silica granules) can be very harmful to a wide variety of systems, due to its hardness & abrasive qualities. Depending upon the pattern of water sublimation in either shaded or sunlit zones, the exact behavior of various quantities of "wet sand" in low Earth-orbital space might be of interest to the designers of this and of other spacecraft. | ||