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Re: original design drawings
Posted by Dick Hosmer on Thursday, 2 December 2010, at 10:11 a.m., in response to Re: original design drawings, posted by Cy Byrd on Thursday, 2 December 2010, at 2:50 a.m.
That seems more plausible than that there never were any. They certainly DID use gauges/fixtures - OM22 is clear on that - but, I cannot believe that such use totally eliminated the need for drawings.
Can't just start with a chunk of steel and tell Charlie to make some sears to fit these holes. There HAD to have been dimensioned drawings at SOME point - if not for the parts themselves, then for the gauges!
We routinely accept the fact that 95% of the serial number data is lost - so it is not too big a stretch (for me at least) to believe that the drawings were also disposed of, long ago.
The point about tool wear/sharpening is absolutely valid, and that is where the gauges would have come in. When parts began to get too tight, or too loose, they would know that it was time to have a look at the tooling. MUCH sharpening would have been done routinely, of course - drill bits, lathe tools, milling and shaper cutters, just so they would perform their daily function.
But "no drawings" - no way!
Just my $.02 :-)
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