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authornatronics <natronics@web>2013-06-27 11:19:10 (GMT)
committer wiki <iki-wiki@psas.svcs.cs.pdx.edu>2013-06-27 11:19:10 (GMT)
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More words about the rocket and some typo fixes
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@@ -1,4 +1,4 @@
-# PSAS Launch-10 &mdash June 30, 2013
+# PSAS Launch-10 &mdash; June 30, 2013
[[!img LV2.3-October.png alt="L-10 Mission patch" class="picture"]]
@@ -41,6 +41,7 @@ We have an [[Analog Devices ADIS 6 axis + magnetometer IMU|avionics/av3-imu]] th
[[!img e407_stacked.jpg size="140x140"]]
</div>
+
#### Olimex STM32-E407 based roll control with Ethernet
We want to use the same STM32 architecture to do other low level work, in this case send updates to the roll control servo. This board does also doubles as the hardware launch detect (using a shorted tether).
@@ -50,7 +51,6 @@ We want to use the same STM32 architecture to do other low level work, in this c
</div>
-
#### LTC API
Over the last year we rebuilt our [[Launch Tower Computer (LTC)|GroundTeamHome/launch_tower_v3/]]. This computer serves as the link to the rocket when it's on the pad, providing power and communication as well as safely controlling the ignition. This also meant rebuilding the software to talk to it.
@@ -108,7 +108,6 @@ A special payload is flying on this launch. A 360&deg; camera module made up of
One of the small innovations on this launch are small, locking connectors for the ethernet and power that are partly COTS and partly 3D printed.
-
<div class="image_gallery">
[[!img rocketnet_conn.jpg size="140x140"]]
</div>
@@ -116,11 +115,13 @@ One of the small innovations on this launch are small, locking connectors for th
## Rocket Sections
-#### Nosecone
+### Nosecone And Recovery
-The nosecone has the top half of the recovery system.
+The nosecone has the top half of the recovery system. A pusher presses against the recovery module below it while the two are held together by the nosecone separation ring (NSR). When the NSR is fired the nosecone separates and the pusher pushes it away from the rest of the rocket. This carries the drogue chute into the air-stream.
-#### Payload Module
+The rocket falls under drogue until about 300 meters altitude when the drogue and nosecone are cut away by a pyrotechnic line cutter. The action also pulls out the main chute.
+
+### Payload Module
The payload module contains two commercial off the shelf 'flight computers' that are simple devices that track the height of the rocket and ignite the charges that open the parachutes at the right altitudes. The payload module also contains the downward facing camera and a side facing HD camera. The downward camera sends down a live image through an amateur TV band transmitter. All other cameras on the rocket record to SD cards.
@@ -132,6 +133,18 @@ The payload module contains two commercial off the shelf 'flight computers' that
</div>
+### 360&deg; Camera
+
+The 360&deg; camera module houses 5 HD GoPro cameras that recorded a complete, overlapping cylindrical view from the rocket.
+
+
+### Roll Control
+
+The roll control module uses small canards to spin the rocket clockwise and counterclockwise as it flies. This is our test stabilization system.
+
+### Avionics Module
+
+The flight computer (FC).
# Logistics