Reckon thats the key right there Al.....the drawings were probably never really finished, as the whole thing was abandoned.
Otherwise Chaos's ""rules for drawings"" are the killer for your drawings, but, in a prototype/experimental environment, a lot of that stuff is flexible, in my experience.
Thats the whole point, they are doing stuff that IS NOT on the drawings and doing stuff that WILL BE on the drawings once they are happy it works.
Furthermore...one could well imagine that the guys went home one arvo with all sorts of stuff 1/2 sorted, 1/2 finished, 1/2 drawn....and the next day when they came in, they were told it was all over and just get it off your desk..and quickly.
Theres a good chance IMHO, that if you could magically line up the 3 proto LJs, the would all be very different.
As I said in a post of your other thread, about 20minutes before the whole thing was deleted....there is a heap of interest in you car....and the more questions that are asked, then answered, the more 100% solid it becomes. You have Ben's letter and now this toing and froing is the cream on the cake.
p.s ..as for that bloody clutch pedal notation on the drawing you have shown ...FOK...fu#^&% only knows.
Yeah, but still a lot of "probably's and Imagines in there Col..
The clutch peddle assembly must have been finished, as the 3 cars were finished and road tested. So the clutch issue (if ever there was one) would have been fixed and fitted to the cars long before the program was stopped..
We are also talking General Motors - Holden, Not really some small workshop with 2 tradesman, an engineer, and a draftsman. They would have worked around the clock. They also would have strict protocols on all technical drawings. They are a legal document and the sole property of GM-H, And in my experience, there can only be one correct engineering drawing at anyone given time. And that is the original drawing, until a modification or a change is to be made. Then a revision of ALL drawings with the affected parts MUST be noted. Regardless of what someone is saying here.. If there is a Australian Standard it must be observed. And it is certainly in GM-H's best interest, to have no confusion with there engineering drawings, considering multiple people would be having to use the same information on the same, and simular programs, as well as completely new cars.
You can't manufacture anything without the drawings being accurate and readily understandable by all those who have to use them.. And considering the clutch peddle drawing Al showed was first drawn in 1968, I don't think they had to re-invent the clutch peddle. And here's a maybe.. but maybe the clutch peddle is exactly the same, just bent at a different angle to clear the steering?? hardly a massive engineering feat for the engineers at GM-H to make a clutch assembly work.. Remember, they were clever enough to make the Hurricane ...
But either way.. that pencilled in marking means nothing if it is not officially recognised in the revision block on the drawing..