Yeah thanks Drew, totally agree.
Some bits are getting into rockinghorse excrement territory.
I don't know what you'd do if a part just can't be found anymore.
Probably modify it another way to make it otherwise void anyhow?
Or resort to buying whatever is left still around, and making it work.
I think you shoud get a 'had a decent crack at it' pass category for some non safety items.
It is 47 years old now afterall.