Tokai UV Sensor

Purpose: Provides UV ray intensity measurements and ozone density measurements by observing 300nm light intensity from the sun with a 100Hz sampling rate.

Technica:

- Square shaped photodiode with detection capabilities between 190nm-720nm light.

- Signal conditioning circuit to provide an analog output of ±10V and freq < 50Hz.

- Interfaces with flight computer, power supply, and is located on DP 1.

See ISIS Document Control # D-ISIS-PD-0008, Rev. 7 (pgs. 44-48) for more info.

In: Power (+15V)

Out : UV out, Visible Out

Purpose: Provides attitude determination by detecting sun light intensity levels.

Technica:

- Uses eight Si photodiodes to provide a dynamic range of ±60°.

- Signal conditioners provide eight digital parallel outputs of 0/5V, f < 100Hz.

- Interfaces with flight computer, power supply, and is located on DP 1.

See ISIS Document Control # D-ISIS-PD-0008, Rev. 7 (pgs. 66-69) for more info.

In: Power (+5V)

Out: 8 digital (0/5V)

Tokai UV Sensor Adapater Plate

Purpose: Used to adapt UV sensor fastening scheme to UAF deckplate fastening scheme.

Technica:

-Aluminum fabricated on a milling machine.

Purpose: Used to adapt sun sensor fastening scheme to UAF deckplate fastening scheme.

Technica:

-Aluminum fabricated on a milling machine.

Payload Battery (Panasonic Ni-MH Rechargable 1.2V)

Purpose: Used to power SRP-5 payload components during flight.

Technica:

-Rechargeable 1.2V NiMh

- See Panasonic_NiMh_HHR380A.pdf for a spec sheet.

Purpose: Used to store batteries for payload power requirements.

Technica:

- Polypropelene fabricated on a milling machine & drill press.

- Go to www.mcmaster.com -> Plastics -> Polypropelene for more info.

Payload Base

View 1

Shows: Hole Alignment

Purpose: Bottom supporting structure for the payload and payload components. This also allows for mounting of payload/nosecone onto rocket motor by the use of a lapjoint. See SRP-5 Lap Joint Assembly Procedure – Bottom for more information on this procedure.

Technica:

- Aluminum fabricated on a lathe and milling machine with Preston Miller’s rotation table.

- One of the single-most complicated pieces to create.

Shows: Angled hole alignment

Payload Base

View 3

Shows: Major geometrical features.

Shows: Internal features required for lap joint.

Base Ring

Purpose: Supports and distributes longeron and deckplate weight over baseplate.

Technica:

- Aluminum fabricated on a mill with the use of Preston Miller’s rotation table.

Purpose: Used to join longeron’s to baseplate for internal skeleton support. Rests on top of base ring.

Technica:

- Aluminum fabricated on a mill with Preston Miller’s rotation table.

Standard Deckplate

Purpose: Allows for mounting of payload experiments in payload, as well as adds internal structure for payload support.

Technica:

- Aluminum fabricated on a mill.

Modifications: 6-#4-40 holes added to 180° side for mouning of power distribution cables.

Deck plate 2

Modifications: Same as DP#1 plus 6 more #4-40 holes at 270°(ccw) from 0°.

Modifications: Same as DP#2 with the addition of 4-#4-40 holes between 180° and 270°.

Deckplate 4

Modifications: Addition of two #6-32 clearance holes.

Modifications: Addition of two #4-40 tapped holes @ 90° & 180° (ccw) plus four #4-40 tapped holes at 270° (ccw).

Deckplate Bracket

Purpose: Used to attach deckplates and longerons together. Four needed per deckplate.

Technica:

- Aluminum fabricated on a mill.

Purpose: Works in conjunction with outer top support to add support to the top of the payload skin by pressing outward and not allowing the skin to shift around. Attaches to longerons.

Technica:

- Aluminum cast in molds and cleaned with a mill and a Dremel.

Outer Top Support

Purpose: Works in conjunction with inner top supports. Connects to inner top supports with a #6-32 screw and a corresponding nut.

Technica:

- Cast Aluminum cleaned on a mill and with a Dremel.

Purpose: Vertical skeleton component of payload structure. Bottom attaches to Base Ring, and the top attaches to the skin with the additions of the top supports. Deckplates are placed in between with the use of deckplate brackets.

Technica:

- Aluminum fabricated on a mill.

Actual Longeron (180 Degree)

Actual Longeron (180 degree Placement)

Shows: Two #6-32 clearance holes added.

Actual Longeron (270 degree Placement)

Shows: Four #6-32 clearance holes added.

Payload Skin VIew 1

Purpose: Protects payload components during flight, allows for mounting of external experiments, and allows for mounting of nosecone onto rocket by use of a lap joint.

Technica:

- 6061 Aluminum piping (14” OD, 1/8” thick), fabricated on a CNC machine at John’s Machine Shop in Fox, Alaska.

Figure 26 Payload Skin View 2

Plasma Collector

Purpose: Used to collect plasma for plasma experiment in ionosphere. Also, one is gold plated and the other is not in order to see the collective qualities of each type. See ISIS Document Control # D-ISIS-PD-0008, Rev. 7 (pgs. 31) for more info.

Technica:

- Copper mounted on a non-conductive polymer.

- One copper surface is plated with gold.

Purpose: Recieves GPS signal from GPS satellite system, and connects to the GPS board on deckplate #1.

Technica:

- Equipment sent by NSROC and built by Physical Science Lab.

Payload Antenna

Purpose: This antenna is hooked up to the TMTX and it is the antenna that sends a signal to the gorund with all of the data measured by the onboard experiments.

Technica:

- Built by Physical Science Lab and sent by NSROC.

Purpose: Protects the GPS and payload antennas from being damaged by frictional forces and heating during flight.

Technica:

- Aluminum pipe cut to fit with a tapered side in order to reduce aerodynamic drag during flight.

TPU Radio Antenna

Figure 31 TPU Radio Antenna

Purpose: Generates a signal to be bounced off of the ionosphere to detect rocket altitude. Located inside nosecone.

Technica:

- Created by TPU students for SRP experiment.

Shows: Major geometrical features.

Purpose: Allows for an external/internal interface between the umbilical board inside the payload and the ground support suitcase controller.

Technica:

- Aluminum fabricated on a CNC mill by John’s Machine Shop in Fox, Alaska.

Umbilical Block View 2

Shows: Internal features and depth of part.

Purpose: Radiused nosecone tip to provide a surface on which the aerodynamic shockwave can form around. Radiused so that the shock does not form directly on tip and melt it.

Technica:

- Steel fabricated on a lathe.

Nose Cone

Purpose: Rocket nosecone used to give rocket a more aerodynamic shape in order to reduce drage on rocket and increase apogee. Also allows for small surface on which the Mach shock wave can form on. Houses TPU antenna.

Technica:

-Fabricated by Jim Rasmussen with the use of Nylon and epoxy. See the nosecone documentation for more info.

Purpose: Used to create a lap joint between the nosecone and the payload tube for integration purposes.

Technica:

- Steel pipe machined on Preston Miller’s rotation table.

Nosecone Ballast

Purpose: Axially adds weight to rocket above the center of gravity in order to create a stable aircraft for flight. Attaches to rod supported by nosecone and nosetip.

Technica:

- Copper weight provided and installed by NSROC.

Purpose: Attaches to NSROC doubler plate and creates a housing for springs and solenoid. Also provides a guide for solenoid shaft.

Technica:

- Aluminum fabricated on a milling machine and rotation table.

Non-Pyro Door Doubler Plate

Purpose: Doubler plate attaches to payload skin, and allows for attachment of non-pyro door and spring housing pieces.

Technica:

-Aluminum fabricated by NSROC.

Purpose: Door to be jettisoned by springs and centripetal force when the solenoid is activated.

Technica:

- Aluminum fabricated on a mill and bent on a radial press.

Non-Pyrpo Door Hinge

Purpose: Keep the non-pyro door from falling into payload or out of skin cutout before activation.

Technica:

- Aluminum fabricated on a milling machine.

Purpose: Attaches to NPD and allows slot for solenoid plunger to rest in. Keeps door from deploying before solenoid activation.

Technica:

- Aluminum fabricated on a milling machine and rotation table. This piece was anodized as well.

Cost: $3

Qty: 1

Power Supply Adapter Plate

Purpose: Allows for power supply to be connected to a deckplate by adapting fastening scheme of each component.

Technica:

- Aluminum fabricated on a mill.

Cost: ?

Qty: 1

Purpose: Allows for attachment of TMTX to DP and also acts as a weak heat sink for TMTX.

Technica:

- Aluminum fabricated on a mill.

Cost: ?

Qty: 1

Deckplate 1 Launch Configuration

Deckplate 3 Launch Configuration

Deckplate 5 Launch Configuration