Pease Dome

[Blair Wolfram]

Taff;

I searched the 3D Warehouse for info on the Pease 3v 3/8 panel dome, and I couldn't find anything. I alphabetized the search; panel, Pease and Geodesic no luck. Can you point me to details?

Blair

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Blair F. Wolfram
Founder, Dome Inc.

thedo...@domeincorporated.com

http://www.hurricanedomes.com

888-DOME-INC or 612-333-3663

[TaffGoch]

Blair,

I've never modeled a Pease dome, per se, so there is likely not one in the 3D Warehouse. (Other modelers don't seem to be as prolific, for some strange reason. Well, strange to me, anyway.)

I recalled that A.E. Miller was the principal individual involved, and sure enough, a patent search turned up.

The attached image is a page from U.S. Patent No. 3114176, issued to Miller.

Do you want me to pursue modeling in SketchUp?

-Taff

[Ken G. Brown]

I think this might be the patent for the Pease dome:

<http://www.google.com/patents/USD190631?pg=PA1&dq=pease+dome&hl=en&sa=X&ei=Eq3lUe7oF4uAygHlzYDIDw&ved=0CEIQ6AEwAg#v=onepage&q=pease%20dome&f=false>

To find it I did a seach on google patents:

<http://www.google.com/?tbm=pts#output=search&tbm=pts&sclient=psy-ab&q=pease+dome&oq=pease+dome&gs_l=hp.3..0i13l4.6066.14050.0.14940.13.12.1.0.0.0.479.3988.2-3j7j2.12.0....0...1c.1.19.psy-ab.d8BzfXDnAVw&pbx=1&bav=on.2,or.r_qf.&bvm=bv.48705608,d.aWc&fp=c8d19a3064352e7e&biw=1319&bih=1018>

Ken G. Brown

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[TaffGoch]

Searching for "Pease Woodwork," I find several patents. Patent 3114176, the one I previously referenced, is the earliest, by application date.

They are, indeed, the same layout, etc., which is based on the Fuller home design, in Carbondale, Illinois. (I don't know which came first, but I recall reading that Fuller's dome home was a Pease dome.)

-Taff

[TaffGoch]

"Here's the thing...."

The patent depicts a 2v dome, while Fuller's home is 3v, based on the same rotational orientation (both being Class-I.)

[TaffGoch]

Fuller's dome home:

[TaffGoch]

This is the basic geodesic layout of the Fuller (Pease) 3v dome home, in Carbondale, Illinois.

The distance across the bottom edge of each half-hexagon "face" is 16 feet.

I really should model the home in detail (with interior walls, etc.,) considering it's historic significance....

[TaffGoch]

I'm going to give 3D-modeling a shot....

The larger plans image is sufficiently detailed, and undistorted (aspect ratio):

[Blair Wolfram]

Taff;

It's amazing how fast you can pull these dome drawings together!

The architect who drew the image in your last email, Thad Heckman, is winner of the 2011 Holland Award for this depiction of Bucky's dome in Carbondale. I was going to post this drawing to you, too late. I'm meeting with Thad Thursday this week to discuss the next phase of restoration for Bucky's dome, which prompted my question about your Pease works to date..

Thank you for your work, and I'll be sure to present all your Pease information to Thad.

Blair

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[TaffGoch]

I downloaded a HUGE (14447x9600 pixel) "tiff" image of Heckman's plans, from the Library of Congress, which I employed in the SketchUp modeling.

http://www.loc.gov/pictures/item/il0995.sheet.00001a/resource/

http://blogs.loc.gov/picturethis/2013/05/first-holland-prizes-awarded-for-architectural-drawing/

I recall admiring his drawing, when the award was announced in May, but there was an apparent hiccup in my plans to model.

Thanks for getting my train of thought "back on the rails"....

[TaffGoch]

I've completed the 3D SketchUp model, and posted it at Google's "3D Warehouse":

http://sketchup.google.com/3dwarehouse/details?mid=d92c7809edb7aec717453358793c7e

Interior walls, fixed furnishings and ceiling ventilation grills are incorporated into the 3D model (even the cork floor is included)

The model depicts a "throw-back" 1960 version; to show the home as it appeared, upon completion.

-Taff

[Gerry in Quebec]

Great SketchUp model, Taff!

For others interested in this model, you can get a good view of the dome's interior details and loft by unchecking "dome shell" in the Window/Layers drop-down menu.

I also liked your accompanying description of the dome and its history -- succinct.
- Gerry in Quebec

[Gerry in Quebec]

Thad Heckman's architectural drawing puts the main floor's area at 1112 sq. ft. But if the long walls are 16 ft long, as shown in his drawing, the main floor (outside dimensions) will be 1095 sq. ft., not 1112 sq. ft. Adding 340 sq. ft for the loft gives a total floor area of 1435 sq. ft.

- Gerry in Quebec

On Saturday, July 20, 2013 11:06:41 PM UTC-4, TaffGoch wrote:

[TaffGoch]

Gerry,

For living space, I subtracted stairs and mechanical room (and the space taken by the walls, themselves.) SketchUp will list the area of selected/highlighted "face(s)," so no calculations were actually required. 

BTW, "living space" or "floor space" is an interesting legal topic, due to real estate exaggerations & fraud. Most states have laws on what "area" can/can't be included in real estate descriptions. Laws can vary quite a bit. In some states, you can't include closets, or stairs, or mechanical or utility rooms, etc.

(Oh, and local municipalities have a vested interest in "living space" taxation....)

_______________________

Thanks for your comments on the model. I generally try to use layer (in)visibility to make parts of a model easier to view. It's also a good tip for you modelers, out there -- it makes modeling much easier, when you can turn on/off portions that you've already finalized, but subsequently "get in the way" 

I'm sure there are details that I missed, but can add at a later date, should I actually visit & photograph such. I had no photos of the utility room and "backdoor" entry exterior, for examples. Heckman's drawing was an "underlayment" for interior modeling of wall positions. Most of the remainder was from photos acquired from internet sources.

Gotta go model a ceiling fan for the loft....

-Taff

[Pavel Brayvo (domesworld.ru)]

Here is another one 3d-model of BuckyDome by SolidWorks:

http://translate.google.ru/translate?hl=ru&sl=ru&tl=en&u=http%3A%2F%2Fforum.domesworld.ru%2Fviewtopic.php%3Fp%3D14216%23p14216

Hi!

pb

///

16/07/2013, 23:43:10 UTC+4 Blair Wolfram:

[TaffGoch]

I forgot to mention that one of the predefined "scenes" is a "look inside" view, which turns off visibility of the dome shell for you.

Another tip for SketchUp users, is the use of "section cuts" to examine model (also very handy while modeling, to hide elements that get in the way.)

-Taff

[TaffGoch]

Pavel,

"Great minds think alike!"

Your model shows some of the 2x4 timber framing of the Pease panel construction.

I would be remiss to not mention the Fuller Dome Home facebook page: https://www.facebook.com/FullerFutureFestival (great photo resource.)

Attached are some photos, taken during construction, which show the Pease 2x4 construction.

-Taff

[Blair Wolfram]

Taff;

Attached are some images of Bucky's house in Carbondale I took this week relating to the restoration.

Blair

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[Paul Kranz]

Gerry:

 

Where the base of the pentagon is 8', the distance between the bases of the pentagons is 16'. That is one of the beauties of the Pease design. It comes out to 1090.87 sq. ft. approx. with a diameter of 19.524' approx.

 

Paul sends...

 

P.S. I lost ability to send attachments in G-mail. Anybody fixed that problem?

 

 

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Very high regards,

 

Paul sends...

ReviveTheFlame.com

[TaffGoch]

Thanks, Blair,

I mentioned to my wife, yesterday, that it would probably cost less to build a new identical dome than it will to "restore" this one. I mean, really, what is the historic value to an old 2x4 or piece of plywood?

Looks like there's a lot of mold, too. That can't help cost issues, considering abatement regulations.

The "RBF Dome Home NFP" is fortunate to receive so much national attention. I hope they are planning to attempt a renovation that will restore its original appearance (without shingles.) I've read that they plan to use a "membrane" roofing material, so hopefully, it will look historically accurate (including gutter boards.)

-Taff

[Paul Kranz]

Taff:

 

Oregon Domes, Inc., http://domes.com/info.html, publishes a Guide to Construction Management on how to build one of their Pease domes.

 

Paul sends...

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[TaffGoch]

Paul,

I use gmail, as well, and have no problems with photo attachments, as evidenced in recent posts.

??????

-Taff

[Paul Kranz]

Taff:

 

I can't figure it out...

 

I have a color photo of the Carbondale dome. It sure looks like it was shingled.

 

Paul sends...

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[Blair Wolfram]

Yes, it would be less expensive to build a new dome, and a better dome, than restoring the existing. Some of the requirements imposed by the Federal SAT Grant are wrong in my opinion, but their rules allow no compromise. The new roof is going to be membrane although there wasn't ever a membrane roof on the dome.

Structurally, the dome has 'relaxed' into an oblate sphere. Over the years some fill-in patches have been made which will prevent the dome from returning to its correct shape, until the patches are removed. One sliding glass door is a good 5" out of plumb, and the dome has pulled away from the loft floor. Also, as the dome is enclosed by a temporary construction dome, it has been popular for students to party on the roof, and several students have stepped through the weakened plywood adding to the destruction.

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[TaffGoch]

Paul,

I'm familiar with that color photo (there are only a few.) The earliest b&w photos show the dome when it was "shiny and new." (Literally, the white roof was shiny, with crisp edges between panels.)

Perhaps, they were relying on painted-on sealer; inferior to products available today. (Failure at joints, due to expansion/contraction of panels? I do know that they taped the seams during construction.) The dome was apparently shingled fairly early-on in its life.

-Taff

[TaffGoch]

Blair,

I'd be willing to bet that the weight of all those shingles (multiple layers?) distorted/squashed the dome. From construction photos, it doesn't look like the dome was engineered to handle that much loading. I'm kinda surprised it hasn't collapsed, entirely.

Essentially, the dome looks like it was a developmental experiment....

-Taff

[Blair Wolfram]

Taff

As this was the very first dome home ever built, yes it was a developmental experiment. It was tested by applying 4350 lb. load to the roof and 4500 lbs suspended from the apex, as advertised in the Pease Dome Material Specification literature. The oblate failure is mostly due to wood rot causing separation of the frame members. The exterior panels are 5/16" plywood.

Blair

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[TaffGoch]

Blair,

I want to thank you for the photo of the "PEASE DOME" aluminum tag. I've added an "Easter egg" to the model:

[TaffGoch]

I've added some predefined scenes to the SketchUp model, to facilitate interior examination of the home.

SketchUp supports setting the field-of-view (FOV,) so it's fairly easy to replicate views from photographs. Unfortunately, SketchUp doesn't natively support indoor light sources, so the only light is that which comes through the windows, doors & skylights.

-Taff

[TaffGoch]

Well, I initially missed this, while looking for documented evidence. (Doh!)

It pays to read the text of Heckman's drawing. The original roof was, indeed, a "membrane" -- "fluid applied" rather than sheet goods.

[Blair Wolfram]

Taff, you did an incredible job creating Bucky's dome in the 3D Warehouse. I'll link Thad Heckman to it today.

Blair

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[TaffGoch]

Thanks, Blair,

Be sure to note that, since I didn't have photos of the bathrooms, mechanical room or utility nook, modeling for those areas are conjecture (other than the general layout provided by Heckman's drawing, of course.)

I've edited the model to reflect that the cork flooring of the loft is 45°-rotated 6" cork "tiles," instead of 12" used on the main floor. I've also edited to depict the slope of the exterior sidewalk surround, and a few other minor revisions. (I even added the house number on the entry door, based on a flickr photo I stumbled upon.)

The model has been updated at the 3D Warehouse, as of 6pm, today.

-Taff