[Space] Meeting notes from 03.30

Albert Alexander albert.alexander at gmail.com
Wed Mar 31 23:03:42 PDT 2010


I strongly endorse having a weigh-in two weeks prior to launch. No changes
in mass after that. That'll give us time to actually assemble and test the
bus.

I did a top-down checklist on the Bravo launch page, but we need software
test procedures to be added.

I think thermal control is a must for next launch. I thought it was silly to
launch this time without fixing last launch's failure point. I'll parse
Alpha's temperature data this week to get a starting point.

Also I am totally serious about sending a small animal up on Delta launch
(not Charlie. Is the next launch Charlie? Or is it just the "real" Bravo?).

A

On Wed, Mar 31, 2010 at 10:29 PM, Christopher Lincoln <cclinco at gmail.com>wrote:

> Meeting notes from 03.30
>
> Suggestions for improving launch quality and efficiency
>  - Need a standard process for setting up and testing electronics.  This
> process must be well documented
>  - Preflight check list.
>  - Battery check
>  - Have “Yay or Nay” call of the Tuesday meeting before the launch.
>    For a “Yay” call to be made, every critical component must be completed
> and tested.
>  - A full check list of what is going up with this launch and their
> dependencies
>  - Mark the tank as we open it, to alleviate confusion as to which one was
> used.
>  - Always take a second (back up) tank to each launch
>  - create wiki pages of each payload item, including set up instructions.
> (list of needed pages are on the bottom of this page.)
>  - Provide better communication for the drive out of the launch site
>  - locate stores in the area that can provide forgotten items like
> batteries and helium
>
>
> List of tasks that we should do before the next launch
>  - Test different types of batteries in the freezer (both types of
> batteries and competing brands)
>  - acquire a bathroom scale to weigh the helium tanks with.
>  - Purchase condoms, extra large
>  - the cannon IS1100 stopped taking pictures shortly after being turned on,
> probably battery related, but we should test to make sure.
>
>
> Ideas for next launch
>  - One battery grid to rule them all!  This would consist of 2 battery
> systems that connected just prior to the component giving a back up system
> should one fail.
>  - add solar cells to the outside to the payload to test energy received as
> we go up.   We can use the datalogger to store the information.
>  - Use a droid with debian installed (Chris has one) to feed data from a
> USB hub that had has several web cameras hooked up and save the data out to
> a USB harddrive.   Alternatively we could also use a beagle board (Nils has
> one).
>  - Attach LED blinkies or stroke lights (from disposable cameras) to the
> end of the antenna support arms.
>  - Add a high pitch buzzer to the payload bus to help locate it
>  - add brightly colored inflated condoms (balloons will work also) to the
> payload so that they will float above the final resting place, assisting in
> locating it.
>  - Add a video camera, and stream it's feed over a ham radio to a base
> station.  This would use a NTSC broadcast.  This has the potential to be
> expensive, so Chris will gather  - a cost estimate for this (both dollar and
> if possible weight)
>  - make the video camera steerable.  Even outside of the flight this would
> be usable as we could then be able to see the area where the payload landed
> before having to walk  - there.
>
>
> Ideas talked about, but decided to be considered independent of the core
> Spacebridge concept
>  - Generating Hydrogen quickly and cheaply.  While awesome, it's to
> dangerous and inconvenient for us to focus on at the moment.
>  - UAV.  Again awesome, but is a large enough project to be considered
> independent but closely related and potentially intersecting Spacebridge.
>
>
> Wiki pages that need to be created and maintained.
>  - Radio, with set up instructions
>  - Radio Antena (dipole)
>  - GPS
>  - Packet Tracker
>  - Open Tracker
>  - G1, including applications used and set up intructions
>  - Canon A700 Camera, including CHDK, script, battery limitations, SD card
> limitations and set up instructions
>  - Canon IS1100 SD Camera, including CHDK, script, SDHC card limitations,
> instructions
>  - Payload Bus
>  - Icrais program
>  - Android APRS
>
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