Csabi_B wrote:neoconstantine wrote:the Indians used for smoothing the surface of crushed glass, sand and stone tools.
Some stone bocks have boreholes of 1-2 cm in diameter. You can chop stone blocks to shape by hammering them with axes and hammers of stone. But making boreholes in granite hunks is a different sport.
Hi, I'm new to the site and this topic is the main reason for my joining the community. To explain my background, I've been in the Machining and Manufacturing industry since 1983 and have since become a journeyman machinist with an emphasis on honing, lapping and lap fitting. I currently work for a company that makes precision lap fit valves with diametrical clearances of just over .000060 (60 millionths of an inch) with bore to length ratios of well over 15/1. Its hard, precise and still one of the few forms of machining that is still considered an art in this world of high technology.
This brings me to Puma Punka. Something big has went on there!! As I studied the photos of the H blocks, I was floored by what I had seen. The dimensions on the outside of the rock are completeley miraculous but still pale in comparison to the bored holes going through the grooves!!
Gundrilling, trepanning, waterjet and possibly some form of boring laser, would be the only possible methods that I'm aware of that could make those holes. With gundrilling being the most likely operation <wiki it!>, a 100 to 1 bore to length ratio is about the maximum capacity. Even at a 100/1 ratio, you have a margin of error on the drill's drift. It may drift .001 of an inch or more per inch of drilled depth. The holes on the rocks appear to have a ratio of OVER 500/1 with NO drill drift?? I cant even fathom it!?
In another area of interest, the bow ties that lock them together prove that they had a metalurgical background with the capability of smelting and molding the metals of their choice, AND the intelligence and common sense to see that it needed to be braced and locked together to last. They were extremley advanced!!
The standard match fit stones that surround the area had to have been lap fitted to each other individually, 1 at a time to have fit together so precise <<wiki lapping>>. Even if blueprints had been made and the tightest of tolerances held in the manufacturing process, it could never have fit together like it is. Even Boeing learned early on, that with over 1000 parts from the front of the plane to the back of the plane, considering all manufacturing tolerances, NO 2 planes would ever be the same length. Henceforth, SPC ( Statistical Process Control).
With a little studying, the methods of manufacture can be detected to possibly be used as a gauge to see where this prior civilization stood on the intelligence chart. I think we would all be flabergasted by the results.
Those are just my .02$, Thank you.
We would have hard time to do that these days with our tools.....Actually the local tribe that lives in the area says that it was built by people that came from heaven....
