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Minimum Allowable Window Position Required
To Avoid Detrimental Internal Reflective Beam Interference at
Positive Exit Beam Angle Tolerance
Exit Beam
Elevation Angle α
Minimum Projected Distance (mm) from the
Engine’s Base
to the Window’s Internal Surface (L)
Minimum
Window Angle θ
+2.5° 5.0 28.0°
+2.5° 10.0 14.5°
+2.5° 15.0 10.5°
+2.5° 20.0 8.0°
+2.5° 25.0 7.0°
+2.5° 30.0 6.5°
+2.5° 35.0 6.0°
+2.5° 40.0 5.5°
+2.5° 45.0 5.0°
+2.5° 50.0 5.0°
Figure 12.
Specifications are subject to change without notice.