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RPWI Team Meeting – Warszawa, 10-11 January 2011. RPWI Mechanics : RWI sensor design. Marta Tokarz. NanoSpace -1 satellite. Possible 1 ÷ 1.5m long antenna with similar weight. Length of o nly 25-30cm. The a dvantages of use of a tubular boom on t he nanosatellite.

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Presentation Transcript
slide1
RPWI Team Meeting – Warszawa, 10-11 January 2011

RPWI Mechanics:

RWI sensor design

Marta Tokarz

slide2
NanoSpace -1 satellite

Possible 1÷1.5m long antenna with similar weight

Length of only 25-30cm

The advantages of use of a tubular boom on the nanosatellite

RPWI Team Meeting – Warszawa, 10-11 January 2011

slide3
Early activities
  • Two types of tapes:
  • Diameter: ø25mm
  • Thickness: 0.15mm
  • Mass: ~100g/m
  • Diameter: ø15mm
  • Thickness: 0.1mm
  • Mass: ~50g/m

Material: spring stainless steel

RPWI Team Meeting – Warszawa, 10-11 January 2011

slide4
Beryllium bronze tubular booms
  • Present solution:
  • Diameter: ø6mm
  • Thickness: 0.05mm
  • Mass: ~8g/m
  • Max tubular boom length: 1.5m
  • In developing:
  • Diameter: ø10mm
  • Thickness: 0.07mm
  • Mass: ~15g/m
  • Max tubular boom length: 2÷2.5m

RPWI Team Meeting – Warszawa, 10-11 January 2011

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RWI – An orthogonal tri-axial antenna system
  • Smooth deployment
  • Small mass of 375g including:
  • - 3x 1.5m dipoles
  • - deployment unit
  • - 3x pre-amplifiers
  • Motor power consumption during deploymentshould notexceed 2W

RPWI Team Meeting – Warszawa, 10-11 January 2011

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RWI – An orthogonal tri-axial antenna system
  • Stowed antenna – dimensions:

Front view

Top view

RPWI Team Meeting – Warszawa, 10-11 January 2011

slide7
RWI – An orthogonal tri-axial antenna system
  • Deployed antenna – dimensions:

Front view

Top view

RPWI Team Meeting – Warszawa, 10-11 January 2011

slide8
RELEC – Microantenna
  • Very small dimensions
  • Very small mass of 200g including:
  • - 3x 1.5m dipoles
  • - deployment unit
  • - 3x pre-amplifiers
  • Dyneema stringpowerconsumption is 3W for a few seconds

RPWI Team Meeting – Warszawa, 10-11 January 2011

slide9
RELEC – Microantenna

RPWI Team Meeting – Warszawa, 10-11 January 2011

slide10
RELEC – Microantenna
  • Stowed antenna – dimensions:

Front view

Top view

RPWI Team Meeting – Warszawa, 10-11 January 2011

slide11
RELEC – Microantenna
  • Deployed antenna – dimensions:

Front view

Top view

RPWI Team Meeting – Warszawa, 10-11 January 2011

slide12
RPWI Team Meeting – Warszawa, 10-11 January 2011

Thank you for your attention

Marta Tokarz

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