Controlled Descent of Amateur Rocket: Ideas Needed

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Discussion Overview

The discussion revolves around the controlled descent of an amateur rocket, focusing on methods to achieve a precise landing after reaching an altitude of approximately 4000 feet. Participants explore various ideas, including the use of GPS locators, radio-controlled devices, and alternative payload designs.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant is brainstorming ideas for controlled descent, seeking suggestions and experiences from others.
  • Another participant suggests using a radio-controlled vehicle for gliding back to a specific landing area.
  • There is a proposal for using a very aerodynamic radio-controlled glider as the payload, with ideas for wing deployment mechanisms.
  • Concerns are raised about the lack of control when using parachutes, with suggestions for a parafoil system connected to servos and an autopilot, though this is seen as complex.
  • A participant mentions the possibility of deploying a large balloon for descent, anchored for rigidity, and using small control fans for navigation.

Areas of Agreement / Disagreement

Participants express a range of ideas and concerns, with no clear consensus on the best approach for controlled descent. Some favor glider designs, while others highlight the challenges of using parachutes or complex systems.

Contextual Notes

Participants acknowledge the challenges of implementing advanced control systems and the need for larger rockets to accommodate additional equipment, which may complicate the project.

Who May Find This Useful

Amateur rocketry enthusiasts, hobbyists interested in controlled descent mechanisms, and individuals exploring payload design for aerial projects.

Shawnzyoo
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I am going to start working on the controlled descent of an amatuer rocket
I want to go up to about 4000ft and then be able to have a controlled descent to a specific location.
I am still very very early in the process and just brainstorming ideas about GPS locators and what not.
has anyone ever done such a project? or have any suggestions
all suggestions are welcome
thanks
 
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Controlled descent how? Like some type of radio controlled vehicle you can glide back down to a specific landing area :cool:
 
possibly a radio controlled device
or a semi passive system.
 
How about just using a very aerodynamic r/c glider as your payload or final stage. If necessary, spring load the wings so they don't deploy until the ejection charge fires. If you use sheathed cables instead of control rods for the aelerons and elevators, that shouldn't be a problem.
 
if you have a rocket coming down with a parachue you will have zero control with it. the only thing you could do is use a parafoil and connect servos and use an autopilot, but that's going to be wayyyyyyyyyyyyyyyyyyyyyyyyyyyy too hard to do within even one years time. The glider idea is your best bet, or shoot the rocket at specific tajectories so you know where it will crash, and somehow deploy the parachute when your near impact, so you can slow down and hit the ground there. I don't take it you design autopilots or you wouldent have asked, your best bet is manually trying to control it somehow, but again, real 'iffy' if you use a standard rocket. Its got to be fairly big to carry servos, and now your no longer using a $20 estes model rocket, you need a big one and a certification and a lisence. Sorry to sound negative, but its a daunting task.
 
it will be a 7inch diameter tube, with a high powered motor approximately J350
(350 N of thrust)
yeah i pretty much gave up the idea of using actual parachutes
what I am thinking is deploying a large balloon that is anchored to the body in a couple of spots for rigidity
and using really small control fans to navigate it as its coming down
 

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