Active Control System (ACS) work for Notre Dame’s NASA University Student Launch Initiative vehicle — carbon fiber drag flaps, CAD-to-built hardware, in-flight flap actuation, and CFD pressure analysis.
The ’24 USLI Championship vehicle finished within 5 ft of prediction.
USLI
ACS
CAD
CFD
Carbon fiber
In-flight ACS flap actuationIntegrated ACS — CAD vs. as builtACS slotted deck assemblySlotted deck — CAD vs. as builtCentral hub — CAD vs. as builtLinkage — CAD vs. as builtFlap pusher arm — CAD vs. as builtFlap lever arms — CAD vs. as builtDrag flap — CAD vs. as builtFore bulkhead hinge — CAD vs. as builtRadially actuated tab mechanismLinearly actuated flap mechanismLeadscrew-actuated flap mechanismCFD pressure on ACS flaps
