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projects:ukhas:ukhas_1

UKHAS 1

Payloads

Data and Pictures

Launch Data

UKHAS 1 has been found in Essex and has been collected Some damage to payloads due to parachute failure.

LAUNCH : 1.20pm 3/2/07

LAUNCH IS ON (07:44, 3/2/07) Weight change for Tracker 4 - lift + max altitude has been recalculated**

Flight Information

Launch Location : Churchill College, Cambridge (Backup Sunday EARS launchsite Elsworth confirmed Reminder - RADAR reflector will need to be constructed)

Launch Window : Saturday 3rd Feb - 10.30am

Launch Preparation Begins : 9.00am

Flight Plan : Climb to 31km, Cutdown (under Tracker 4 control), Parachute down.

Communication Frequencies :

  • GSM
    • XABEN1 (O2)
    • Tracker 4
  • Radio
    • XABEN1 - 434.075MHz
    • Tracker 4 - 434.650Mhz RTTY 50 baud
    • mc-'s payload - 434.075MHz - every minute for 15 seconds

Proposed Flight Data:

  • Balloon - 1000g
  • Payload - 1700g
  • Ascent Rate : 320m/min for free lift of 1.3Kg
  • Helium needed: 3.9 cu m
  • Predicted Burst: 30,200 m (99,000 ft)

Weather

  • 850mb - Northerly 10-20 knots
  • 200mb - North-Westerly 10 knots

Jetstream

Team

Launch Co-ordinator:

  • James Coxon (jcoxon)

Launch Team :

  • James Coxon
  • Ed Moore
  • (Ben Firshman)

Payload Team :

  • XABEN1 and mc-'s payload - Steve Randall
  • Tracker 4 - Henry Hallam + Greg Chadwick
  • MiHAB 3 - Laurence Baxter

Recovery Team :

  • Steve Randall (RocketBoy)
  • Henry Hallam
  • Laurence Baxter

Equipment

Balloon Size : 1000g

Parachute Size : 54“ gives 4m/sec decent rate

Cutdown Device : Fergus-type explosive, with mechanical pin-pull backup. Both controlled by Tracker 4 based on distance/

Payloads:

  • XABEN1 - 600g
  • mc-'s payload - 250g
  • Tracker 4 - 600g
  • Mihab 3 - 230g
    • Total = 1680g

Proposed Train Order : Balloon – RADAR reflector - Cutdown – Parachute – Tracker 4 – mc-'s payload – Mihab 3 – Cutdown – Parachute – XABEN1

Things to do

  • Organise helium - done
  • Organise Launch site - done
  • CAA Permission - done
  • Weather Forcast - done
  • Build radar reflector (jcoxon)
  • Check radio freqs - done
  • Sort out recovery team
  • Monitor weather (jcoxon)
projects/ukhas/ukhas_1.txt · Last modified: 2008/07/19 23:33 (external edit)