The most efficient tilt for photovoltaic panels in Fort Wayne, Indiana at a latitude of 41.09°:
Your photovoltaic panels need to be angled facing south.
If you're mounting the photovoltaic panels at a stationary angle, such as on your roof, the most efficient angle is 34.3°.
If you're planning to change the angle of your photovoltaic panels twice per year, the most efficient angle is 17.2° in summer months and 55.2° in winter months.
If you're planning to change the angle of your photovoltaic panels each season, the most efficient angle is 13.5° in summer months and 60.6° in winter months, and 38° in autumn and spring months.