Ordnance – Line throwing
Patent
1984-07-05
1987-03-31
Brown, David H.
Ordnance
Line throwing
89 1816, 102504, F42B 1356
Patent
active
046533796
ABSTRACT:
System for artificially triggering lightning flashes. This system comprises a rocket, provided with fins, launched from a launcher and which trails behind it a thin wire made from a conductive material, which is either electrically connected to the ground, or is connected to a second wire made from an insulating material, which is in turn attached to the ground, as well as a pay-out reel. The pay-out reel is constituted by a reel body in the form of a cylindrical tube onto which the wire is wound with a limited winding thickness, mounted at the lower end, centered on the central axis of the rocket, the reel having a diameter larger than that of the rocket body and smaller than the apparent diameter of the guidance fins. The launcher is constituted by a plastic tube.
REFERENCES:
patent: 2805622 (1957-09-01), Cammin-Christy
patent: 3575083 (1971-04-01), Hudick et al.
patent: 3646887 (1972-03-01), Stine
patent: 3769876 (1973-11-01), Hess et al.
patent: 3789729 (1974-02-01), Aupy
patent: 3807275 (1974-04-01), Betts
patent: 3910189 (1975-10-01), Whidden et al.
patent: 3926386 (1975-12-01), Stahmann et al.
patent: 4470336 (1984-09-01), Swann et al.
Barret Louis
Eybert-Berard Andre
Brown David H.
Commissariat a l''Energie Atomique
Nilles James E.
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