fan

Truss Design

Load(pounds)
Pitch of Rafter (e.g. 6/12)
Bottom Chord Tension(lbs)(3,8)
Lower half of top chord, heeljoint, compression(lbs)(1,9)
Upper half of top chord, ridge, compression(lbs)(2,6)
Web, midspan rafter down to kingpost, compression(lbs)(4,7)
Kingpost, tension(lbs)(5)
Angle of Roof from Horizontal (degrees)