CHAPTER XV. CONCLUSION. Apology for scheming and suggesting. Vast field for experiment. Weakness of isolated endeavours and experiments. Proposal for Society or Association. Sir G. Cayley's proposal formerly. Hydrogen to supply leakages by Na. HO. H. Power engine. The H. vessel not to open at top to air, but to gas-pipes. Force not destructible. Force not to be made, but to be kept. The most to be got out of it before dissipating. The Hydrogen to be drawn from gas-vessel, to put in ballast. If wanted, resupplied by Na. Filling up of the seas and lakes with hills, An immense source of power. Gas to be heated by Polmaise for rising. Gas to be condensed by chemical attraction by C. Self-acting water tap with barometer. In case of sudden fall. Rain-gutter, or eaves to gas-vessel. Oil the gas-vessel. Warmth of gas by heating will diminish dew as well. Gas springs, five million cubic feet per day, in the valley of the Prehl in the Eifel. Carbonic acid. Flax growth, its double use; oil and cloth. Varnish in exhausted receiver. Tussore-silk. Vulcanised caoutchouc. Zinc'd Iron. Reduction of Iron-oxide, p. 125. Hydrogen to be not more than twice the price of coke, equivalent for equivalent. Gas-vessel never folded up will last longer. If HSO, used, the sulphates to be distilled, or precipitated. Experiments on equilibrium can be made with balance beam. Part of cargo may be slung below the gas-vessel to maintain equilibrium by converging cords. Gas can't be carried forward by stoppage, If envelope in outer case, full of air. Gas-vessel (envelope) must have plenty of room for expansion, that it may rise and fall without loss. Anchor-shackles. Condition of anchoring same as of propelling. Must not be a twisting force. Two modes of doing. Kite attachment. Parallel-from centre of gyration. Or an equator of gas-vessel, viz. from beak. Must be able to anchor, however, not only when just floating, But when vessel has rising power after landing passengers. A balloon in equilibrium with air, may be shot up to any height by letting fall a weight, tied to a rope, which may be hauled up afterwards. Experiments not to be made, as Monge and Cayley suggest, in brittle balloons, but by ascertaining facts. Why not build a model? No notice of Retur's dodge because not propulsion; refer to Sir G. Cayley, Edgeworth, and Evans. Results of scientific observations-a few already. The constant current-the two layers of rain clouds. Heulk, Woser. Man ought to navigate the air: all other animal classes have done so. Why no mention of inclined plane and balloon ways. Why second part a specification. Do particularly want nobody to be able to patent. Figures all in diagrams, as not completely fitted up in detail. Secondarily, to engineers and men of science. Why references made everywhere. No more delicious floating in air-craft. All the dangers in air visible; not so at sea, especially when coming to harbour. Less danger of floating. Burton's 'Anatomy of Melancholy,' part 2, sec. 1, mem 3. Maitland, Mesmerism.' A book of travels-the type book. Resistance and Propulsion, 'Mech. Mag,' 1454, 486. Blower to discharge gas if wanted in emergency. Double gutta-percha film. Experimental envelopes of thin paper. Dupuis Delcourt and his Steam Gas Co. Ammonia condensible by C. Wing-wafts have same virtual effect to propel, at great altitudes, though not to lift, p. 127. Effect of double casing to neutralise to some extent Effects of change of temperature on gas. Conclusion that all the suggestions will work together (vide part 2; introd. p. 186). Sir G. Cayley's proposal for a society, (Phil. Mag. v. 50, p. 28). Conclusion-absurdity of making models before experimental researches as to data. General notions as to the utility of the art; on the winds, currents, &c. The Great Exhibition clearly made for experiments hujus generis. Flying with kite-gas-vessel. Every animal but man has flown-the fish, the lizard, the quadruped, the mammal, the insect, the bird. |