closet astronaut
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- May 12, 2012
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I've decided to embark on an epic project I believe thats never been done in model rocketry. Thats a bold statement for a newbe to the hobby, however I will not be offended for any correction if I'm wrong. On the contrary, I will appreciate any and all input on this project. Actually I would be happy if this was a corroboration of hobbyist.
I want to build a scaled down version of the 1/4 Mercury capsule, use the launch excape system to launch it. I'm not sure of the scale, I plan to print out the parts with the printer set to two images per page, essentially making it half the size of 1/4
I want to use the LES to pull the capsule up then detach pulling out two chutes from the chute canisters, and delpoy a chute from the LES. Basically to do exactly what the whole system was designed to do.
[YOUTUBE]nAeqi44cIpE[/YOUTUBE]
Now we get to the hairy parts. Using one C-6-3 and two C-6-0's ( if there is such a thing) in the LES. I'll need an ejection charge in the LES to deploy the chute I plan to put in, to bring IT down soft. Three ejection charges will deffinantly be way too much.
The next thing will be needed is an ejection charge to blow off the LES and eject the two chute's in the canisters from the top of the capsule. Now, I would like the whole vehicle to be completely dependent on the LES power for flight BUT it may need some boost from the bottom to get every thing up. I figured using LES power would eliminate the need for any stablizing fins and using some sort of boost from the retropack end would probably make them needed.
Another bug will be, if using three engines in the LES and one in the retropack, getting all these timed correctly, to egnite all at once. If the retro boost ejection charge goes before the LES charge I don't think would be a problem, the LES should just continue up untill ejection, it shouldn't be much after the main body charge.
I wasn't sure at first how to attach the LES to the capsule, make it strong enough to pull the capsule up then deatch. So I figured that I could build a body tube through the capsule from the retro pack to the top ( as indicated in the diagram), and make the high gain antenna part of the LES. Then just build a cylinder on the bottom that will incert into the body tube just as a nose cone would.
Building all this will be the easy part, making all these components work together and sucessfully will be the challenge,
I'm not looking for hight, I'm looking for show, I think 80-100' would be plenty.
I want to build a scaled down version of the 1/4 Mercury capsule, use the launch excape system to launch it. I'm not sure of the scale, I plan to print out the parts with the printer set to two images per page, essentially making it half the size of 1/4
I want to use the LES to pull the capsule up then detach pulling out two chutes from the chute canisters, and delpoy a chute from the LES. Basically to do exactly what the whole system was designed to do.
[YOUTUBE]nAeqi44cIpE[/YOUTUBE]
Now we get to the hairy parts. Using one C-6-3 and two C-6-0's ( if there is such a thing) in the LES. I'll need an ejection charge in the LES to deploy the chute I plan to put in, to bring IT down soft. Three ejection charges will deffinantly be way too much.
The next thing will be needed is an ejection charge to blow off the LES and eject the two chute's in the canisters from the top of the capsule. Now, I would like the whole vehicle to be completely dependent on the LES power for flight BUT it may need some boost from the bottom to get every thing up. I figured using LES power would eliminate the need for any stablizing fins and using some sort of boost from the retropack end would probably make them needed.
Another bug will be, if using three engines in the LES and one in the retropack, getting all these timed correctly, to egnite all at once. If the retro boost ejection charge goes before the LES charge I don't think would be a problem, the LES should just continue up untill ejection, it shouldn't be much after the main body charge.
I wasn't sure at first how to attach the LES to the capsule, make it strong enough to pull the capsule up then deatch. So I figured that I could build a body tube through the capsule from the retro pack to the top ( as indicated in the diagram), and make the high gain antenna part of the LES. Then just build a cylinder on the bottom that will incert into the body tube just as a nose cone would.
Building all this will be the easy part, making all these components work together and sucessfully will be the challenge,
I'm not looking for hight, I'm looking for show, I think 80-100' would be plenty.