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Jon Ellison Wrote:
-------------------------------------------------------
> You're correct.
> A cutting disk of that size would need to be
> mandrel mounted.. (Mandrel = axle and hub).
> 4mm wide and 60cm diameter would tear itself apart
> under centrifugal force.
> Even a flat sided disc cutter, without mandrel,
> would leave a quarter circle cut at the top and
> bottom of the overall cut.
> The only other thing I can think of is a router,
> but that would have to have a prohibitively long
> length to diameter ratio.
> Bend and break.
> Can't get a saw in there because the ends of the
> cut are blind..
> It looks like a saw cut but it can't be..
> I don't know ??
>
> It obviously caught the attention of the Russian guy.


You sure the top and bottom aren't rounded. I only saw him taking the 32cm measurements from more central positions.

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How can any of us ever know, when all we can do is think?

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Subject Views Written By Posted
No other explanation ...high tech 1755 Racho 11-Nov-17 21:39
sorry to all...but at the 21 min mark and a few minutes after 361 Racho 11-Nov-17 22:08
another cave ...more oddities 55 Racho 16-Jan-20 22:12
Re: another cave ...similar thing in China 41 forumfan 18-Jan-20 14:12
Re: No other explanation ...high tech 429 D-Archer 12-Nov-17 08:57
Re: No other explanation ...high tech 386 Thanos5150 12-Nov-17 17:31
Not megalithic 466 Racho 14-Nov-17 06:40
Re: Not megalithic 293 Audrey 14-Nov-17 18:08
Re: Not megalithic 314 Jon Ellison 14-Nov-17 20:33
Re: Not megalithic 213 Audrey 14-Nov-17 21:56
Re: Not megalithic 231 Jon Ellison 14-Nov-17 22:23
Re: Not megalithic 237 Audrey 14-Nov-17 22:49
Re: Not megalithic 209 Jon Ellison 14-Nov-17 23:33
Re: Not megalithic 291 Audrey 15-Nov-17 01:49
Re: Not megalithic 398 Jon Ellison 15-Nov-17 07:35
Re: Not megalithic 223 Audrey 15-Nov-17 22:23
Re: Not megalithic 287 Racho 27-Nov-17 01:46
Re: Not megalithic 265 Corpuscles 27-Nov-17 02:28
Re: Not megalithic 300 Racho 27-Nov-17 02:52
Stone Spheres Are Natural Formations 180 Barbelo 27-Nov-17 05:37
I think the point is proven 224 Racho 27-Nov-17 06:04
Re: I think the point is proven ; 249 Barbelo 27-Nov-17 11:02
dismissive 158 Racho 27-Nov-17 16:48
Re: I think the point is proven 174 Origyptian 27-Nov-17 15:36
Let's learn about the science/realities associated with cutting stone 204 Racho 27-Nov-17 06:41
Re: Not megalithic 179 Origyptian 27-Nov-17 06:50
I Second That 266 Barbelo 27-Nov-17 20:52
wow...talk about being unhinged/triggered 213 Racho 27-Nov-17 23:26
Re: wow...talk about being unhinged/triggered 211 Corpuscles 27-Nov-17 23:46
Re: wow...talk about being unhinged/triggered 250 Barbelo 28-Nov-17 00:00
you start... 274 Racho 28-Nov-17 03:53
Re: you start... 269 Barbelo 28-Nov-17 05:15
Re: I Second That 290 Audrey 28-Nov-17 01:43
Wacko or Crackpot? 313 Barbelo 28-Nov-17 02:30
Re: Wacko or Crackpot? 240 Corpuscles 28-Nov-17 02:49
Re: Wacko or Crackpot? 269 Audrey 28-Nov-17 03:38
Re: Wacko or Crackpot? 340 Barbelo 28-Nov-17 05:23
Re: Not megalithic 190 Corpuscles 27-Nov-17 20:03
Re: Not megalithic 284 Audrey 28-Nov-17 00:11
Re: Not megalithic 330 Corpuscles 28-Nov-17 00:55
Re: Not megalithic 243 Audrey 28-Nov-17 02:02
Re: Not megalithic 352 Warwick 29-Nov-17 21:08
Re: Not megalithic 250 Origyptian 15-Nov-17 22:38
Re: Not megalithic 220 Jon Ellison 15-Nov-17 23:10
Re: Not megalithic 208 Jon Ellison 15-Nov-17 23:32
Re: Not megalithic 318 Origyptian 16-Nov-17 02:47
Re: Not megalithic 254 Origyptian 16-Nov-17 02:43
Re: Not megalithic 329 Origyptian 14-Nov-17 21:58
Re: Not megalithic 270 Jon Ellison 14-Nov-17 22:14
Re: Not megalithic 239 Origyptian 14-Nov-17 22:38
Re: Not megalithic 224 Thanos5150 14-Nov-17 22:55
Re: Not megalithic 295 Thanos5150 14-Nov-17 23:02
Re: Not megalithic 200 Audrey 14-Nov-17 23:46
Re: Not megalithic 284 Corpuscles 15-Nov-17 00:09
Re: Not megalithic 288 Audrey 15-Nov-17 01:15
Re: Not megalithic 311 Thanos5150 15-Nov-17 00:26
Re: Not megalithic 260 Corpuscles 14-Nov-17 22:47
Re: Not megalithic 270 Warwick 15-Nov-17 02:47
Re: Not megalithic 292 Audrey 15-Nov-17 04:06
Re: Not megalithic 216 Warwick 18-Nov-17 00:59
Re: Not megalithic 300 Racho 15-Nov-17 06:26
Re: Not megalithic 317 Warwick 18-Nov-17 01:01
Re: No other explanation ...high tech 366 Origyptian 12-Nov-17 14:37
Re: No other explanation ...high tech 393 Corpuscles 12-Nov-17 17:48
There Has Never Been Solid Ground 324 cladking 12-Nov-17 19:10
Re: There Has Never Been Solid Ground 295 Corpuscles 12-Nov-17 20:06
Re: There Has Never Been Solid Ground 303 cladking 12-Nov-17 20:55
Re: There Has Never Been Solid Ground!!!!!!!!!!! 282 Corpuscles 12-Nov-17 21:26
Re: There Has Never Been Solid Ground!!!!!!!!!!! 325 cladking 12-Nov-17 21:42
Facinating 298 Warwick 14-Nov-17 20:23
Re: Facinating 265 cladking 14-Nov-17 21:33
Re: Facinating 292 Warwick 15-Nov-17 02:51


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