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Step 4: Making the nose cone.

This is so complicated that I recommend a different method or just buying a nose cone. However, I will tell how I made a nose cone, even though it is rather sloppy. Try this at your own risk, but don't say I didn't warn you: Doing this right is hard.

Take the 1" rubber stopper and trim the base to 11/16 of an inch. This can be done by trimming a groove around the base. Just imagine cutting out a 1/8" thick washer out of the base that is 1/8" wide. Or in simpler terms, cause part of the base to fit just inside the tube of the rocket for 1/8". If I manage to upload some illustrations, understanding this will be easier. I would use a razor, and you will likely need a file.

If you have success with this, then you can use a tough pair of heavy duty scissors to shape the top of the stopper into an oblique shape. This looks very choppy, so I recommend a different method. However, you can try smoothing it out with a file.

If all this goes well (Then I am amazed), then screw the metal eye into the center of the base of the cone. Give it several good twists. Attach the rubber band to the metal eye with a slip knot as your shock cord.
from my experience you will want to re-enforce the balsa with glue (kinda like fiberglassing) and insure that the grain is at a 90 degree angle to the rocket. If you have the grain parallel to the rocket it will split and fall off during flight, sending the rocket in a uncontrolled spiral with no predictability.
But balsa wood is so weak it will break if setting it down on the launch pad. I've never myself had a problem with the fins breaking in flight...perhaps in landing I have.
 Paper/ Cardstock is a better material for rockets. PVC is a dangerous material to use. PVC during motor CATOs will shatter and act as shrapnel.Even a small model rocket motor like an C, D, or E can be quite explosive if they CATO. I've seen them do this. Please be careful and use lighter less dangerous materials. 
perhaps you are right....what are &quot;CATO&quot;s?<br /> <br /> I know it is un-traditional, and If someone can obtain cardstock or paper sturdy enough, then I by all means encourage them to do that. <br /> <br /> Anyway, any rocket no matter how carefully constructed STILL&nbsp;can fataly injure anyone, so the real issue is to just use your head with rockets:) but I appreciate your comment.
Nice design Kiddo, Its good to see people building their own rockets 4/5 just for the fin design Most of mine fail due to me using homemade (and often too powerful) rocket motors
Thank you. As I mentioned in the instructable, I got some ideas from another sorce, but I mainly just put it together out of my mind. Thanks for rating it, but you should know that the fins break of the rocket quite easily and need to be reglued freaquently. I like making my own stuff, but when it comes to rocket engines, I am willing to pay 5-6 dollors for a good rocket motor, even though I bypass 20 for a rocket that could eisily break or get lost. After I succesfully launch it, I plan to post an instructable on a rocket that will cary and reaturn a payload of an egg safely to the ground. Then a simple one that the ejection charge ignites BP, TATP, or something else (though I cant reccomend it due to legality issues) Sorry I am puting all this in my reply-College does not allow much time for editing, so this is somewhat to everyone.
no worries, for this specific rocket design what has been the best size rocket motor? C class?
Yeah, I don't know the delay time, But C does well. D or E are to expensive and often different sizes. If you can get a C11, I would recomend that (I am guessing), But I dont know if a C-3 would work. So I would recomend C-6or C-11
For what it's worth: CPVC is crosslinked polyvinyl chloride. It's used in household plumbing because it can withstand typical domestic hot-water temperatures, where plain PVC begins to soften. I've made model rocket tubes out of paper, laid up with diluted Elmer's glue. More tedious than plastic pipe, but definitely cheaper.
Yeah, I only used cpvc pipe cause the inside diameter was just right and I am no good with paper. Otherwise, I would rather the benefits of a lighter rocket. A variation of this that would require cpvc and not paper would be if you wanted to make an air missle, which paper wouldn't work well. Also, balsa wood is hard to find in my area, so I needed something that could take heavy parts. But if you are able to make your own, more power to you-but don't use any of the parts in this instructable(with the possible exception of a parachute) as they will be much to heavy.
The model is very well done but , where is the engine for the rocket? What is this (C6-2,3,or 4 model rocket engine) explain yourself.
O-kay. The important thing is the beginning "C6". If you have a C6-5 engine, the "5" means that the ejection charge will fire 5 seconds after the blast ends. Because this is a heavy rocket, I will say to use a C6-2 engine, or a C6-3 engine. Sorry that was not clear. I'll try to fix that soon. Thanks.
One more thing. You might could use a C11 engine for more power, but I have not tried it yet.
Crystal clear. Now I can use a firecracker rocket and inside the tube and make it work. This is easy and cheap. Thanks---
Video of ignition! Video of crash landing! Video of burning debris!
Yeah, sorry I do not have any of those videos-that would be cool-but this rocket doesn't do any of that except one time I did a hurried job packing the parachute and it free-fell a few hundred feet (the only damage was a broken fin and that was easily re-glued). Sorry to disappoint you, but I will have to build a sloppier rocket to show you any of that cool stuff.<br/>P.S. Why would the debris(CPVC, Rubber, and wood be <em>Burning?</em> Let me know if you know a way to get a rocket engine to make CPVC catch on fire. I would be most interested.<br/>
I can't think of anything off hand that would outright ignite it, but tires burn and they are rubber, and everyone knows wood already burns, seems to me like you just need to have some kind of amazing accelerant in there to really kick things off like coating the fusalage in polyurethane .. or maybe just guide the rocket into an acetone factory!
How true. Pardon me. I should have added not to launch this in the city or in a dry season fire hazard. And definitely not near a gas station. However, it seems that the made-in-China rockets might be just a little easier to catch fire. But you are right. It should not be launched in any other area than a large field.
-1 for saying "this is my first instructable, so..."
What do you mean? I see people do that that everywhere. I figured I would get a lot of negative comments and people telling me that it was sloppy, so I figured I would say it first. However, I appreciate your comment and I guess something like that should go somewhere else than the description.

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