Model rocket-glider专利检索-滑翔飞行空气动力学专利检索查询-专利查询网

Model rocket-glider

阅读：199发布：2021-03-11

专利汇可以提供Model rocket-glider专利检索，专利查询，专利分析的服务。并且A solid fuel-powered model rocket having a main body tube and at least one auxiliary body tube. A solid fuel motor is mounted in the after end of one of the tubes and a slidable plug is disposed in the after end of the other tube, the plug being provided with a latch for engaging a wing elevator and maintaining it parallel to the horizontal plane of the wing against the biasing of a resilient band while the craft is in vertical flight. Following burn-out of the propellant charge, the gases generated upon ignition of a blow-out charge in the fuel cartridge cause rearward displacement of the slidable plug, disengagement of the latch and deployment of the elevator to a predetermined up-angel relative to the top horizontal plane of the wing, thereby directing the craft into a generally horizontal glide attitude.，下面是Model rocket-glider专利的具体信息内容。

权利要求

1. A model rocket-glider assembly, for use with a solid fuel motor having a propellant charge and a blow-out charge, said assembly comprising: a. at least two tubes, said tubes being closed at their forward ends and open at their after ends, said tubes being secured parallel to their longitudinal axes, the interiors of at least two of said tubes being in open communication adjacent the forward portions thereof; b. wings affixed to at least one of said tubes, said wings having a hinged elevator formed in the trailing edge thereof; c. means for mounting the solid fuel motor in the after end of one of said tubes; d. means disposed in the after end of at least one of the other of said tubes for retaining said elevator parallel to the horizontal plane of the wings prior to ignition of said blowout charge, said elevator retaining means arranged so as to disengage from said elevator upon the urging of gases generated upon ignition of said blow-out charge, the said gases being propagated forwardly through the tube in which the motor is mounted and rearwardly through the tube in which the elevator retaining means is disposed; and e. resilient means for biasing said elevator at a predetermined up-angle relative to the horizontal plane of the wings subsequent to disengagement of said elevator retaining means from the elevator.

2. The assembly of claim 1 wherein said elevator retaining means comprises a plug member slidably disposed in said tube, the after end of said plug member protruding from the tube, said after end of the plug having affixed thereto and extending upwardly therefrom a planar member, the upper end of said planar member terminating in a forwardly directed arm, said arm impinging on the top surface of the elevator thereby restraining the same against the upward pull of said resilient means.

3. The assembly of claim 2 wherein a pair of spaced, parallel upwardly extending planar members are affixed to the after end of the plug member, the upper end of each of said planar members terminating in a forwardly directed arm, each of which arms impinge on the top surface of the elevator.

4. The assembly of claim 2 whereiN the plug member comprises a cylindrical body portion, the forward end of which terminates in an outwardly directed flange, the diameter of said flange being such as to frictionally engage the inner wall of the tube and assure a snug fit therein, but not so snug a fit as to prevent rearward displacement of the plug member within the tube under the urging of the gases generated upon ignition of the blow-out charge.

5. The assembly of claim 2 further including a retaining ring in the after end of the tube in which the elevator retaining means is disposed to limit the extent of rearward displacement of the plug member.

6. The assembly of claim 1 further including a vertical stabilizing fin mounted perpendicular to the top horizontal plane of the wings and parallel to the longitudinal axes of said tubes.

7. The assembly of claim 6 wherein the resilient means for biasing the elevator at a predetermined up-angle relative to the top horizontal plane of the wings comprises an elastic band which is passed through an aperture formed in the vertical stabilizing fin, the ends of said elastic band being secured to the elevator.

8. The assembly of claim 1 wherein the predetermined up-angle at which the elevator is biased does not exceed about 22*.

9. The assembly of claim 1 wherein the tube in which the elevator retaining means is disposed has an aperture formed in the after end thereof to exhaust the gases generated upon ignition of the blow-out charge.

10. The assembly of claim 1 wherein said tubes are in open communication via an aperture formed in each of said tubes.

11. The assembly of claim 10 further including a bulkhead disposed in the tube in which the elevator retaining means is disposed, said bulkhead located forwardly of the said aperture.

12. The assembly of claim 1 wherein the forward end of each of said tubes is closed by a nose cone.

说明书全文

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