Brief Description: Roll Bar - Pre drill 631C/D holes as per planes.
Update - These angles are all wrong see a later log entry.
The plans have you pre drill several holes in the 631C and D angles. Here are a couple of holes drilled in one angle that will be matched drilled to the other.
Image 3 show holes that re are the home of ‘keeper rivets’. Rivets that don’t carry any load, they just keep the 2 angle parts together to aid in further fabrication.
