The rocket payload is the part, that houses sensors and experiments for measuring the performance of the rocket. All instruments are being read by the onboard flight computer, and the results are stored in memory for readout when the rocket has been recovered.
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Detail of the Archimedes payload. Accelerometer and fluxgate (magnetic field) sensors are visible. Light sensors in the holes in the black ring are barely visible.

Another view of the fluxgate sensor. Note that all materials in the vicinity of this sensor has to be non-magnetic - or better: no magnetic materials at all should be used in the rocket.

Post flight disassembling of Archimedes payload. After a rough landing, the nosecone needs to be replaced

This is the naked Archimedes payload structure with one electronics section uncovered.

Closeup view of the electronics section. The switch-mode power supply and other printed circuit boards are visible beneath the battery section.

Late night charging of the batteries for the Archimedes payload. The Rocket was launched on the following day.

Payload of rocket Skøvnung prior to its 2'nd launch.

Instrument section of the Skøvnung payload. The visible instruments are light sensor, thermometer, accelerometer, pressure sensor and magnetometer. Note the fluxgate sensor on the top.

Service section of the Skøvnung payload. This section includes batteries, parachute timer, switch mode power supply and flight computer.

Nosecone for rocket Sleipner. Sensors for acceleration and magnetic field are placed inside the nosecone. Beneath the nosecone is a pyro-extractable parachute section. Note the black mini loadcell for measuring the drag on the parachute.