Ordnance – Rocket launching – Having tubular guide means
Patent
1987-11-12
1990-06-19
Brown, David H.
Ordnance
Rocket launching
Having tubular guide means
89 18, 89 1816, F41F 304
Patent
active
049342410
ABSTRACT:
A missile canister hatch cover is provided which deflects the rocket exhaust from an adjacent uptake channel away from a missile as it leaves the canister. After diverting the uptake exhaust flow away from the missile, the hatch cover is returned to its closed position by the missile rocket exhaust as the missile nozzle clears the canister opening. Overall wear and tear on the launching system from the rocket exhaust is reduced and the uptake flow plume is stopped from expanding above the launcher. During missile launch the hatch cover is unlatched and spring loading opens it more than 90.degree. to a locked position where it interferes with the exhaust flowing from the uptake. The interference deflects the uptake flow away from the missile during flyout to avoid the heating, side thrusts, and contamination associated with the uptake exhaust flow field. After the missile clears the canister and the rocket exhaust begins to impinge on the hatch cover, the hatch cover is unlocked from its open position by actuation of a drag flap that is deployed to help close the hatch cover. An ablative material is applied to exposed surfaces of the hatch cover to prevent heat damage while it is deflecting the uptake exhaust flow.
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Brown David H.
Fox III Angus C.
General Dynamics Corp. Pomona Division
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