Detail shots of the carbon fibre/glass fibre fin unit destined for the 6" glass fibre/carbon fibre N-motor rocket constructed for the BALLS 10 experimental launch held at Black Rock Desert in Nevada, in 2000. The fin unit was designed by the project's initiator, Swiss Federal Institute of Technology Professor Eugene Trubowitz.
Top photo shows trial assembly of the fin unit components in Zurich, Switzerland, in June 2000. Second picture, taken at the Swiss Federal Institute of Technology in July 2000, shows the fin unit components epoxied and fitted with laminated fin joint reinforcements.
Bottom photo shows finished fin unit epoxied into 6" glass fibre booster section of the rocket. Also visible are the integral fin unit access ports and the epoxy joints inside the booster section. To the right of the 6" rocket lies the aluminum booster section of the N-Project's 4" aluminium/glass fibre/carbon fibre rocket. The welds joining the aluminium fins to the booster section have been faired with as of yet unsanded fillets.
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