Dash Q400 propeller

grabcad

Development and prototyping of an accurate model of the high-performance six-bladed Dash Q400 aircraft propeller, specifically tailored for remote-controlled (RC) aircraft, involved detailed simulation and precise fabrication to ensure authenticity. Key aspects focused on reproducing the actual blade shape, including complex cambered surfaces and exact airfoil cross-sectional geometry, which significantly influences propeller performance under various operating conditions. Rigorously validating our design through aerodynamic analysis ensured realistic thrust levels at various power settings. Critical components like pitch linkages, retaining rings, and a secure bolt pattern for optimal coupling were all faithfully modeled, maintaining the integrity of the full-scale Q400 design principles while reducing scale size. The RC Dash Q400 model accurately replicates the real propeller's structural complexity. All blade surfaces were precisely mapped using laser scanning or CAD-based engineering drawings obtained directly from Q400 sources, thus ensuring every critical feature - including but not limited to hub configuration, hub mounting dimensions, leading and trailing edge details, root angle transitions and pitch adjustment linkage positions are all replicated with great care and accuracy. Advanced techniques used for simulation incorporated accurate models of airflow around the blades at different RPM settings. By running these tests under varied real-world operating conditions, we verified performance characteristics like thrust curves as per full scale data.