CNSR– SAS-3m (88-90)
In the Comet Nucleus Sample Return (CNSR) scenario, the Sample Acquisition System (SAS) had to perform the following tasks:
- Anchoring the S/C on the comet (to counteract the drilling and other force/torque);
- Sampling of materials, to acquire:
- surface sample, i.e. 1 to 5 kg;
- a core sample, down to a depth of 3 m;
- a volatile sample at the bottom (10-100 g).
- Manipulation and handling samples and tools: the core sample, of diameter 10 cm, had to be cut in segments of 0.5 m long for storage in the Earth Return Container.
The requirement of sampling down to 3 m led to rather complex items; a single corer was impractical, and a corer device held on a telescopic tube was selected.
The total mass of the samples was superior to 15 kg, and their volume about 25 l.
Several system studies were performed. The figure A and B depict a concept of SAS-3m Telescopic Drill developed by Tecnospazio. The figure C shows the schematics of accommodation of the Telescopic Corer Drill on a Lander from Matra study; coring elements are brought successively deeper by a telescopic tube carried by a manipulator arm. The companies NGI in Norway and Diamant Boart in Belgium performed parallel corer studies. Finally, the CNSR SAS-3m remained at the stage of a conceptual study (Eiden M., Coste P. 1991).
SAS-3m for Rosetta/Comet Nucleus Sample Return
Last update: 26 January 2011
| ||Sampling Devices for Planetary Exploration (http://www.esa.int/TEC/mechanisms/SEM9Y856JGG_0.html) |
Soil sampling devices
| ||SSA/DT (95-97) (http://www.esa.int/TEC/mechanisms/SEMBD956JGG_0.html) |
| ||CNSR SAS-1m (90-95) (http://www.esa.int/TEC/mechanisms/SEMT3956JGG_0.html) |
Mars and future planets
| ||Drill with hammering mechanism (DHM) (05-07) (http://www.esa.int/TEC/mechanisms/SEMUDCY1LJG_0.html) |
| ||Ultrasonic Drill Tool (05-07) (http://www.esa.int/TEC/mechanisms/SEMMWCY1LJG_0.html) |
| ||Instrumented Mole System (IMS) (02-06) (http://www.esa.int/TEC/mechanisms/SEMS2BY1LJG_0.html) |
| ||Sampling Mole (99-02) (http://www.esa.int/TEC/mechanisms/SEML6A56JGG_0.html) |
| ||Mobile Penetrometer: “Mole” (96-97) (http://www.esa.int/TEC/mechanisms/SEMZY956JGG_0.html) |
| ||Mobile Instrument Deployment Device (MIDD) (94-02) (http://www.esa.int/TEC/mechanisms/SEMCEA56JGG_0.html) |
| ||Current and future developments (http://www.esa.int/TEC/mechanisms/SEM6FA56JGG_0.html) |