Mark the sides of the BB! First Miter: 90deg BB/ST.
Cutting the miter in the DT. Simonds hole saw.
DT miter before de-burring.
DT miter after de-burring.
Second Miter: 90deg BB/DT.
Third Miter: ST/DT.
ST “resting” on top of the DT at the BB.
Fourth Miter: HT/DT.
Current view with untrimmed ST & HT.
Fifth and Sixths Miters: HT/TT & ST/TT.
ST/TT joint. A bit tricky with matching diameters.
Facing the ends of the HT on a lathe.
HT cut and faced to proper length.
Front triangle mitered and ready for welding.
Holes drilled in BB for ST & DT.
All joints are sandblasted and chemically cleaned.
Run full bead on DT under ST and then over.
Begin tacking all joints. First Tack: HT/DT.
More tacking.
All joints are tacked in more than one location.
Tacks extended & frame is removed from jig.
Front triangle is fully welded.
Complete HT/DT weld.
Complete HT/TT weld.
Complete ST/TT weld.
Complete BB weld.
Complete HT/TT weld.
