RPWI Mechanics: RWI sensor design Marta Tokarz RPWI Team Meeting – Warszawa, 10-11 January 2011 RPWI Mechanics: RWI sensor design Marta Tokarz
Possible 1÷1.5m long antenna with similar weight The advantages of use of a tubular boom on the nanosatellite NanoSpace -1 satellite Length of only 25-30cm Possible 1÷1.5m long antenna with similar weight RPWI Team Meeting – Warszawa, 10-11 January 2011
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
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
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 deployment should not exceed 2W RPWI Team Meeting – Warszawa, 10-11 January 2011
RWI – An orthogonal tri-axial antenna system Stowed antenna – dimensions: Front view Top view RPWI Team Meeting – Warszawa, 10-11 January 2011
RWI – An orthogonal tri-axial antenna system Deployed antenna – dimensions: Front view Top view RPWI Team Meeting – Warszawa, 10-11 January 2011
RELEC – Microantenna Very small dimensions Very small mass of 200g including: - 3x 1.5m dipoles - deployment unit - 3x pre-amplifiers Dyneema string power consumption is 3W for a few seconds RPWI Team Meeting – Warszawa, 10-11 January 2011
RELEC – Microantenna RPWI Team Meeting – Warszawa, 10-11 January 2011
RELEC – Microantenna Stowed antenna – dimensions: Front view Top view RPWI Team Meeting – Warszawa, 10-11 January 2011
RELEC – Microantenna Deployed antenna – dimensions: Front view Top view RPWI Team Meeting – Warszawa, 10-11 January 2011
Thank you for your attention RPWI Team Meeting – Warszawa, 10-11 January 2011 Thank you for your attention Marta Tokarz