Hello,

With horror found that boomtables calculated wrong area of ​​the duct elbows. For example give "Rectangular Duct Smooth Radius 1W Elbow" 800/400 90°, Radius 400mm. Boomtables calculate area: 4.52 m2. When I calculate manual area it is: 3.0 m2. Where is the problem?


Best regards