| Checking plate size to B.B shell |
| Scribe lines to find center |
| Mark and drill holes for mounting to jig |
| Make a "Doughnut" to hold the B.B center |
| A 4x4 steel tube is used to jig the B.B shells |
| Drill & Tap to hold the B.B fixtures |
| One position mounted with 1/4" bolts |
| The center hold is drilled& tapped for a 5/8" bolt. |
| The doughnut is drilled for a 5/8" bolt but not tapped. |
| The rear B.B shell mounted |
| Two doughnuts are used. One small to center the B.B from the inside and one large to hold it in place on the outside. |
| Slot the outer doughnut for easy assembly & disassembly |
| One bottom tube set up. Position 6 and position 5. Note the two stand off's. They are two 1/4 screws threaded in the jig to hold the bottom tube center to the B.B's. They are threaded to fine tune the adjustment. Drilled about 100mm from the edge of the B.B mounting plates. |
| The next bottom tube. Position 5 to position 4. |
| All six Bottom Brackets & Bottom tubes mounted and ready to tack. |
| Day One...The Bottom Brackets |
| The Penn State Six Pack |
| Six Pack Home Day 1 Day 2 |