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projects:jimbob:launch4 [2020/05/21 09:54]
kevwal
projects:jimbob:launch4 [2020/05/21 10:54] (current)
kevwal
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 Therefore, based on my 60g payload, to get an ascent rate of 1m/s = 4g free lift with a 71 min time to burst at 14,​260ft. ​ I assume a Descent rate of 5m/s. Therefore, based on my 60g payload, to get an ascent rate of 1m/s = 4g free lift with a 71 min time to burst at 14,​260ft. ​ I assume a Descent rate of 5m/s.
 +
 +Or I could use 2 balloons, to get an ascent rate of 1m/s = 5g free lift with a 267 min time to burst at 55,​971ft. ​ I assume a Descent rate of 5m/s.
  
  
 ===== Flight path prediction ===== ===== Flight path prediction =====
  
-Predictor based on Marston launch site here: http://​predict.habhub.org/​hourly/​marston/​ or anywhere http://​habhub.org/​predict/​ or http://​weather.uwyo.edu/​upperair/​balloon_traj.html+Predictor based on Marston launch site here: http://​predict.habhub.org/​hourly/​marston/​ or anywhere http://​habhub.org/​predict/​ or http://​weather.uwyo.edu/​upperair/​balloon_traj.html ​(and KML viewer here: https://​www.doogal.co.uk/​KmlViewer.php)
  
  
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 ==== Launch Announcement ==== ==== Launch Announcement ====
  
-Launching ​Wednesday 7th August ​around ​10am a single tracker foil launch, from a site near Wellingborough (Northants).+Launching ​XX around ​XX a single tracker foil launch, from a site near Wellingborough (Northants).
  
 Primary tracker: RFM22B based, $$HABTRK, 434.150Mhz (434138400 on my rx), USB, RTTY, 470Hz Shift, ASCII-7, 50 Baud, Parity none, 1 Stop bit Primary tracker: RFM22B based, $$HABTRK, 434.150Mhz (434138400 on my rx), USB, RTTY, 470Hz Shift, ASCII-7, 50 Baud, Parity none, 1 Stop bit
projects/jimbob/launch4.txt ยท Last modified: 2020/05/21 10:54 by kevwal