Details and Miscellaneous Notes
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. . --..s .stening the membrane t o the structure
a
use a batten fastened to the base struts or the deck
3
use an attached skm wlth a catenary curves
For nomadic skins a one~piecemembrane with minimal openings s suggested.
The inter-Galactic Tool Co in Sen Francisco has a nice "huno" membrane dome that folds up Resources in California United Textile & S u. .~ . ~Co.. l v LA Envirotecture.P.0. Box 307. Newhall. CA 9 1 3 2 1 Canvas Specialty. L A . J i m Sparks. S.F Inter-Galaclic Tool Co.. S F Insulation of canvas membrane framed structures: John Nolan said w e could swav . . 1" af foam on the first skin and then put on an outer skin. This could be used for any type of structure. For nomadlcs: use 1"stvrofoam cut into triangles and inserted inslde between struts. Would look good and be well insulated. Notes on minimal surface tension membrane structure: I have built several-One hyperbolic saddle. 2500 sq. ft One pentagonal over a geodesic frame.
I. "dews vents doors Metal frame use p v c plpe wlth sheet metal screws as described 2.
J a y Baldwln in Domebook2.p 43
-~~~~~ .New reinforced oolv . . and vinvl is ava~lablefrom Grilolvn Texas Extra strong. clear colors, can be heat-sealed. sewn, taped. Good prce. Carey Srnoot Envirotecture Box 3 0 7 Newhall. CA 9 132 7 (805)2 5 5 0446 ~
Wood frame: use battens t o fasten skin around apenlngs. With a T t e ingenuity. openable flaps can be dr,,,ised The top vent can be overs~zed. .A. whole lot hasn't been done in detailing membranes. Expe~~ment. S;op chafing at hubs by puttlng same coffee can iids over them.