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projects:jimbob:launch3 [2013/07/30 21:34] kevwalprojects:jimbob:launch3 [2013/08/07 07:41] (current) – [Predictor] kevwal
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 ===== Weight ===== ===== Weight =====
  
-ToDo+Tracker including aerial - 13.8g 
 + 
 +Battery including lead - 16.2 
 + 
 +Insulation ~ 7 
 + 
 +Total = 39g 
  
  
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 with a balloon weight of 37g, a burst diameter of about 0.70m is the best estimate I could make for a 'if it bursts' flight path with a Descent rate of 5m/s. with a balloon weight of 37g, a burst diameter of about 0.70m is the best estimate I could make for a 'if it bursts' flight path with a Descent rate of 5m/s.
 +
 +Based on a 39g payload, to get an ascent rate of 1m/s = 3.5g free lift
 +
 +===== Flight Document ====
 +
 +Flight Document created http://habitat.habhub.org/genpayload/
 +
 +Doc ID: c5c392ef5958c9dce8ffd58920297444
 +Document: {"type":"flight","approved":false,"name":"G7PMO Launch 2","start":"2013-08-07T00:00:00+01:00","end":"2013-08-07T23:59:59+01:00","launch":{"time":"2013-08-07T10:00:00+01:00","timezone":"Europe/London","location":{"latitude":52.3,"longitude":-0.7}},"metadata":{"location":"Wellingborough, Northamptonshire, UK","project":"G7PMO","group":"Kevin Walton"},"payloads":["e55cc3ffb42062c70087dae3d9520903"]}
  
  
 ==== Launch Announcement ==== ==== Launch Announcement ====
  
-Launching from a site near Market Harborough (Leicestershire)+Launching Wednesday 7th August around 10am a single tracker foil launch, from a site near Wellingborough (Northants).
  
-Primary tracker: RFM22B based, $$HABTRK, 434.175Mhz, USB, RTTY, 470Hz Shift, ASCII-7, 50 Baud, Parity none, 1 Stop bit+Primary tracker: RFM22B based, $$HABTRK, 434.150Mhz (434138400 on my rx), USB, RTTY, 470Hz Shift, ASCII-7, 50 Baud, Parity none, 1 Stop bit
  
 $$HABTRK, id, time, lat, lon, alt, sats, vinmv, rfm_temp. $$HABTRK, id, time, lat, lon, alt, sats, vinmv, rfm_temp.
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 Documentation is here: http://ukhas.org.uk/projects:jimbob:launch3 Documentation is here: http://ukhas.org.uk/projects:jimbob:launch3
  
 +Track it here: http://spacenear.us/tracker/ or http://habitat.habhub.org/mobile-tracker/
  
 +Predictor based on Marston launch here: http://predict.habhub.org/hourly/marston/ or anywhere http://habhub.org/predict/ or http://weather.uwyo.edu/polar/balloon_traj.html
  
  
 Burst predictors are linked from here: http://ukhas.org.uk/guides:balloon_data Burst predictors are linked from here: http://ukhas.org.uk/guides:balloon_data
- 
-Flight Path predictor is here: http://habhub.org/predict/ or an alternative here: http://weather.uwyo.edu/polar/balloon_traj.html 
- 
projects/jimbob/launch3.1375220081.txt.gz · Last modified: 2013/07/30 21:34 by kevwal

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