MIL-HDBK-660B
FIGURE 1. Waveguide side and bend identification.
TABLE I. Waveguide bend values.
Waveguides |
Bending radius |
Dimension |
23 to 6.5 inches |
Use manufactured elbows |
N/A |
6.5 x 3.25 inches |
Minimum bending radius "E" or "H" Minimum length for 90-degree twist Maximum inside wall variance |
24 inches 36 inches ± .125 inch |
3 x 1.5 inches |
Minimum bending radius "E" or "H" Minimum length for 90-degree twist Maximum inside wall variance |
18 inches 3 inches ± .062 inch |
1 x 3 inches RG 109/U |
Minimum bending radius "E" No "H" bends, use manufactured elbows Minimum length for 90-degree twists Maximum inside wall variance |
12 inches 30 inches ± .062 inch |
2
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