Think you need to add a few names for the dictionary for that roof! looks like they built the roof out of whatever was left over from building the main structure 200 yrs ago?
I tried the wd40 method by drilling into the body of the locking method, it didn't seem to work at first, but now after weeks it has started working again. :)
It seems quite complicated for a lot of builders/roofers to install all the components necessary for a healthy roof!
A lot seem to rely on a breathable membrane, normally the cheapest, which is a mistake that will only get picked up a few years down the line.
Considering your joists are going to be 6 x 2" I would notch out a 2" section of the new joists so it can also sit over the pole plate, may need chamfering to the pitch of the rafters. One 80mm screw fixed through the new joist into the rafter is all that is needed for a connection, I would...
He wasn't driving to protocol / training so his driving was clearly not legal, yet he wasn't prosecuted ! that in the eyes of many proves there is one rule for one and one rule or another.
No, it doesn't! I know a police officer who killed an old woman walking across a pedestrian crossing when it was green to walk, he was speeding, took no notice of the red light , and ploughed into the old lady and killed her.