An innovative CubeSat Pulsed Plasma Thruster (PPT) was shown at the UK CubeSat Community Workshop attended by AMSAT-UK. The event was organized by the UK Space Agency (UKSA).
Produced by the Southampton based company Mars Space Ltd the unit is claimed to be capable of generating up to 44 Newtons/second of thrust. It could be used to significantly extend the life of a CubeSat in a very low orbit (250-450 km) or to raise or lower the orbit.
The company says the PPT could enable a 1U CubeSat deployed in a 400 km orbit to extend its life before re-entry from 6 months to 15 months.
Mars Space Ltd Pulsed Plasma Thruster http://www.mars-space.co.uk/Pages/MicroPPTforCubesats.aspx