Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 642
2. ANOTHER CELLULAR MODEL. and aft, and will not fly. The frame is built likean umbrella, and the whole folds up into a verycompact form. A useful idea may be borrowedhere. By using an old umbrella-frame for thebackbone of your model you may utilize the ribs,which are firmly attached to the frame,… … fig. 13. HERE THE PLANES ARE TOO CLOSE TOGETHER.THE WORKMANSHIP IS ADMIRABLE. of the planes gives them greater supporting powerthan those held horizontally. The large stabilityplane beneath is especially recommended. It util-izes the motor frame or base and does not add tothe weight of the model.…
Children's literature
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