https://wiki.extremist.software/api.php?action=feedcontributions&feedformat=atom&user=38.111.148.243 2026-04-07T17:20:32Z User contributions MediaWiki 1.39.13 https://wiki.extremist.software/index.php?title=SpaceBridgethedaMeetingNotes&diff=22692 2012-01-16T20:03:21Z

<p>38.111.148.243: adding info about balloon source</p> <hr /> <div>Spacebridge meeting Jan 10th 2012 at Noisebridge<br /> ------------------------------------------------<br /> <br /> Build new payload bus<br /> <br /> Cut acrylic components - Onno \ Mark<br /> <br /> unified power bus \ power distribution system - Onno \ Mark<br /> <br /> Find a up new GPS tracker / APRS Transmitter - Adam<br /> <br /> find new source for 2300g balloons - Jason<br /> 1) http://dalebennion.com/store/index.php?route=product/product&amp;product_id=50 - $25 for surplus manuf in 1982 (!)<br /> 2) Same: http://www.ebay.com/itm/GIANT-Weather-Balloon-Meteorological-Military-8-Dia-/330626487344?pt=LH_DefaultDomain_0&amp;hash=item4cfadfd430<br /> 3) 1200g for $99 (for testing?): http://www.pawanexport.com/meteorological-weather-balloons.html<br /> 4) another source, including a possible 3000g balloon: http://kaymontballoons.com/Near_Space_Photography.html (can get pricing if we're interested)<br /> <br /> Ground support box \ launch organization - ??<br /> <br /> ground tracking equipment box - ??<br /> <br /> Android tracking, sleep phone when not used - Christopher<br /> <br /> Kill switch - ??<br /> <br /> Build Birthing bag design - Christopher<br /> <br /> get sand bags - <br /> <br /> pressure gauge - <br /> <br /> <br /> <br /> <br /> Spacebridge meeting Sep 11th 2011 at Noisebridge<br /> ------------------------------------------------<br /> Christopher and Onno<br /> <br /> - we need a new balloon source<br /> - the $150 are probably too small<br /> - the 100g balloons were free<br /> - we need a better battery <br /> - battery power split/managed<br /> - better battery for the arduino/intervalometer<br /> - intervalometer<br /> - better battery for the camera<br /> - power bus?<br /> - we need better launch organisation <br /> - better cabling for the video equipment<br /> - suggestion (Onno, former discussion with Mark): Build nice acryclic frame to mount everything,<br /> - power wires etc.<br /> - we need video recording<br /> - birthing bag<br /> - better video receiver<br /> - 'ground support equipment' with nice video screen, video recording, video<br /> streaming<br /> - get legal information/double check on multiple payloads per balloon and<br /> weight limits<br /> - build a rope-cut device. Avoid running a set of cables to above the<br /> - parachute. Heat wire around nylon rope?<br /> - test cutting device in freezer (is completely exposed to ambient<br /> - temperature!)<br /> - order styrofoam, new, larger<br /> - have item tracking list on wiki<br /> - cleanup spacebridge wiki pages</div>

38.111.148.243