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# PSAS Launch-10 &mdash June 30, 2013

[[!img LV2.3-October.png alt="L-10 Mission patch" class="picture"]]

<span style="font-size:2.4em;">Launch Date: Sunday June 30th, 2013</span>

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This is it, last few days until launch!!!

_Current status: EXTREME Panic._

[[!toc levels=3]]

[[!img LV2.3_diagram.png size="800x540" alt="LV2.3 Diagram"]]

## Goals for Launch

### Major Initiatives


#### Olimex STM32-E407 based IMU with Ethernet

We have an [[Analog Devices ADIS 6 axis + magnetometer IMU|avionics/av3-imu]] that needs integration into our flight computer. We have opted to use an STM32 ARM based microcontroller to handle low level communication with the sensor, while reporting it's values over Ethernet to the FC.


#### 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).


#### 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.


#### Roll Control on the main Flight Computer

We validated Roll Control on our October 2010 launch. But this was using a one-off, completely embedded solution. We very much would like to fly the same algorithm using our new flight computer framework, Ethernet communication, etc.

[[!img LV2_3_june.png size="300x255" alt="AV3-L10 Diagram"]]

#### Flight Computer Framework

This winter/spring CS Capstone team built a [Flight Computer Framework](https://github.com/psas/elderberry). This allows us to write modules in c and then define the connections and program flow between them using simple configuration files. The framework then handles setting up the build targets, events and callbacks for the computer. This is the flight test using the new code.

[[!img FCF.png size="300x255" alt="AV3-L10 Diagram"]]

#### FC Rocket Ready based on real constraints

The new LTC has an additional level of safety on the firing sequence. The flight computer _must_ assert a line high to let a relay close and allow the rocket to be fired. This lets us check for conditions on the rocket (GPS lock, sane sensors, etc.) and automatically safe the launch circuitry if something goes wrong.

#### Updated Camera

We have a new HD camera pointed out the side of the rocket, as well as a new 3D printed shroud for the downward facing camera.


#### 360 Camera Module

A special payload is flying on this launch. A 360&deg; camera module made up of 5 GoPro's will sit just above the roll control module and will be stitched after flight into a singular, extreme HD full view of the flight!


#### 3D Printed Net Connectors

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.


# Logistics

## Pre-launch Timeline

Here is the timeline circa May 21st, 2013:

[[!img calendar.png size="600x331" alt="Best guess timeline"]]

[[!table data="""
Date     | Activity
Sat 6/08 | Integration day 1 @ Dave's house Raise Tower
Sat 6/22 | Final prep and integration test day @ Dave's house / Final Checklist
Tue 6/25 | Go/No Go decision, final logistics, etc.
Thu 6/27 | Weather last call
Sat 6/29 | Drive to Brothers
Sun 6/30 | Launch!!
"""]]

We mostly stuck to this timeline, but the actual hardware button up didn't happen until Wednesday before the launch. The RocketHub was not finished in time to be meet the cutoff and was not flown this launch.


## Launch weekend timeline

[[!table data="""
Date     | Time        | Activity
Fri 6/28 | Evening     | Prep equipment and pack up toy hauler at Dave's house.
Sat 6/29 | Morning     | Depart from Dave's house for Brothers.
Sat      | Afternoon   | Arrive in Brothers, set up launch tower, prep rocket for flight, watch other people's rockets.
Sat      | Evening     | Final tower and LTC assembly and testing, final rocket assembly. Astronomy, after the moon goes down.
Sun 6/30 | Early       | Rocket to pad, final system testing before flight.
Sun      | **10:00am** | **Launch!**
Sun      | Afternoon   | Recovery, debrief, pack, drive back to PDX
Sun      | Evening     | Unload rocket stuff at Dave's house.
"""]]

## Things to do before launch:

#### Do Early:

 - <del>Full communications test</del>
 - <del>Launch Tower Computer test</del>
 - <del>Rocket Tracks programming (RT Crew)</del> Not this launch
 - <del>System Integration/Dress Rehearsal</del>
 - <del>Fix generator</del> (done, daves generator, working reliably as of June, successfully tested and used during tower prep)
 - <del>Get camera module (Dave)</del>

#### Do closer to launch:

 - <del>Clean NSR and reafix</del>
 - <del>Reload line cutters (Dave - Done June 10, 2013)</del>
 - <del>Pack chutes</del>


#### <del>Dress Rehearsal Saturday 11:00am at Dave's House</del>

### Friday Before Launch

1:00 pm at DC

5 people to pull down tower and pack tools.


## Rides and Arrival Logistics

Packing at Dave's house Friday Night 5:30 pm.

Meet at the PSBA at 8:00 am Saturday.

People Driving (Saturday):

 - Dave
 - David
 - Casey (2)
 - Gavin (2)

People Needing Rides:

 - Nathan
 - Jenner
 - Don Park
 - Jamey + Sarah

Sunday Arrivals:

 - Kenny

## Procedures:

**See the [[Procedure Book for this launch|https://github.com/psas/procedure-book]]**