Channel

 @ lbs au pied  Hauteur Aile  Épaisseur Aile  Épaisseur Âme
1''@ 0.83 0.500''   0.125''
1.250''@ 1 0.500''   0.125''
1.500'' @1.12 0.500''   0.125''
1.500"@1.44 0.5625''   0.1875''
2'' @1.47 0.500''   0.125''
 3″ @ 3.5  1.375″  0.149″  0.130″
 4″ @ 4.5  1.590″  0.182″  0.135″
 5″ @ 6.7  1.750″  0.320″  0.190″
 6″ @ 8.2  1.920″  0.343″  0.200″
 7″ @ 9.8  2.090″  0.366″  0.210″
 8″ @ 11.5  2.260″  0.390″  0.220″
 9″ @ 13.4  2.430″  0.413″  0.233″
 10″ @ 15.3  2.60″  0.436″  0.240″
 12″ @ 20.7  2.940″  0.501″  0.282″
 15″ @ 33.9  3.400″  0.650″  0.400″
 18″ @ 42.7  3.950″  0.625″  0.450″