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Hi Blair,
Take a look at the attached jpg. It's an excerpt from one of the architectural sheets for the Expo '67 dome in Montreal. It includes the names of six architectural and engineering firms, all under the signature of "R. Buckminster Fuller". The actual drawings and component schedules were done by at least seven people. As for detailed geometric calculations of the spaceframe, I don't know who did those.
- Gerry
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<Expo'67-dome.jpg>
<Expo'67-dome.jpg>
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Ken:
I hadn't heard of any fears over the accuracy of the calculations, but you're right they were done manually. A former apprentice at Geometrics, Inc., which had its offices in Cambridge, Massachusetts, recently told me: "This [Montreal] dome is particularly challenging in that it is a hybrid subdivision with transitions from one Class to another. Difficult to model and yet one thinks of Shoji's team doing it by hand (not to mention the connector geometry for the castings)."
Recently I used the internal symmetry of the dome to calculate, where possible, the theoretical node-to-node distances. These, of course, are greater than the actual strut lengths because hubs were used. The node-to-node lengths listed in the architects' strut schedules, given in feet, inches and sixteenths of an inch, were bang on. I have no idea how accurate the actual pipe cuts were -- but the end product is beautiful.
Blair:
I said earlier I didn't know who did the actual geometric calculations. But I have good reason to believe it was Shoji Sadao.
- Gerry in Quebec
I understand the designer of the Expo67 dome was Shoji Sadao, one of the founding members of the architecture firm, Buckminster Fuller, Sadao and Zung.I fear the anti-Fuller force doesn't know the difference in definitions between DRAW and DESIGN.
Buckminster Fuller designed a plethora of domes as a self proclaimed DESIGN SCIENTIST. He didn't draw so much.
On Thursday, May 8, 2014, Ken G. Brown wrote:
I seem to recall reading somewhere that the calculations were done manually with 10 decimal place logarithms and there was a certain amoount of fear of any error in there somewhere.Cannot remember where I read that, does anyone know?Ken G. Brown


A couple of favorites from my image library:
<Expo67hub.jpg>
I can appreciate how, on the ground, they built a large "dished" table, upon which to weld-up sections, before lifting into place:
<big_353149_7915_293.jpg>-Taff
On Monday, January 17, 2011 1:05:14 PM UTC-5, TaffGoch wrote:
Ah-ha!
Another one of those drifting-off-to-sleep moments -- last night I was thinking of combining triacon (actually, Richter's Temcor) method, with the 2v-alternate. The 2v alternate will provide a level "equatorial" great circle, while Richter's method provides smooth crossovers (between icosa PPT boundaries.)
I'm starting a new model, to see how it works out.
-Taff
Katrina - PLEASE!Like you say, TC AND Bucky are smart. My head will not explode.To me and to the dictionary, design means to conceptualize and explain a thought. Draw means to commit to paper with the intent to convey the information to the builders. Don't tell me TC did it all. TC was Bucky's student. Bucky could have drawn anything he wanted to draw. It was a matter of time. Or do you think Bucky could not have drawn plans like TC did? Bucky, if he had the time your dad had, could have drawn the same thing TC drew. Bucky had bigger fish to fry.DickOn Thu, May 8, 2014 at 4:41 PM, Katrina Fairley <katrina...@gmail.com> wrote:
You and Blair are going to have your heads blown when you can't find any evidence that Bucky DESIGNED any domes. Bucky did not draw any either. Why you guys want to start that link under a TC Howard link in the NY Times is questionable. Blair just wants his name in the paper for free publicity of his business. What is your excuse? Jaime said he has no evidence of Synergetics, Inc work, So he has NO PROOF that Bucky designed any of Synergetics, Inc domes.Again Bucky did NOT DESIGN any of Synergetics, Inc Domes!!!
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