Top photo: Professor Eugene Trubowitz is examining one of the fresh arrived Rocketman parachutes at the machine shop of the Swiss Federal Institute of Technology in Zurich, Switzerland, in late summer of 2000. All three rockets of the N project used Rocketman main und drogue parachutes.
Second photo from top: the two custom threaded forward closures of the Dr. Rocket 98 mm aluminium motor cases used for the two 4" rockets of the project. We were very fortunate to be granted to use the tool machines of the Institute for any such special modifications required in the course of our project.
Lower two photos: first trail assembly of the electronics compartment for the 4" glass fibre/carbon fibre rocket. The design of the electronics compartments for both 4" rockets was identical. The mounting base for the electronics thus consisted of an aluminium ring/shoulder, screwed to the modified forward closure. This arrangement further provided a mounting point for the glass upper airframe section.
The circular white insulation foam disc was intended to shield the electronics from the head emitted by the subjacent N2000 composite motor. Again, four threaded steel rods served to hold four custom- made aluminium mounting bridges, to which the two BlackSky AltAcc dual deployment recording accelerometers would subsequently be attached.
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