I really like and enjoy estes rocket, and I decided to make one myself. 
I also made the fuel and the engine. All is made from the materials you can easily obtain or even have at your house right now. 

They can go up to 300 meters (1,000 ft) on this fuel. 

Making the fuel involves working with the ammonium nitrate, please before you do it, read this article - http://www.health.ny.gov/environmental/emergency/chemical_terrorism/ammonia_tech.htm
Especially the "What are the immediate health effects of ammonia exposure?" paragraph, so you realize the risks you are taking and I am not responsible for the consequences.

Step 1: Material for the Fuel

At first lets make a fuel of our rocket. 
What we will need:
1. Ammonium nitrate (how to get described in the next step)
2. Baking soda
3. Water
4. Sugar
5. Jar/bucket
6. Measuring cup 
7. Newspaper
<p>waste of time. I'll make sugar motors that will KILL them</p>
<p>This recipe uses sugar..</p>
<p>It was too weak when I made it. Barely got off the ground. too much water maybe?</p>
Hey,guys I launched it from my building roof,it nearly went out of the sight.superb!!!!!!!!!!!!
<p>How much thrust, in newtons or pounds, does this engine produce?</p>
<p>it was awesome</p>
<p>cool steps broooo</p>
<p>other than explosive items like potassium nitrate&amp;ammonium nitrate can we use someother.please suggest some</p>
<p>There is no way to make rocket fuel without something that explodes. It wouldn't work at all if there was no explosions.</p>
<p>*pressure, as made from explosions. I cite rocket balloons.<br>Also, combustion, not explosions, if I can nitpick without looking like a nerd. Explosions powerful enough to send up anything would do it in pieces. Even solid gunpowder from Estes is packed extremely tight so it burns very slowly (what with limited O2 for burning)</p><p><a href="http://ecx.images-amazon.com/images/I/51fzlWsrUwL._SS365_.jpg">http://ecx.images-amazon.com/images/I/51fzlWsrUwL._SS365_.jpg</a></p>
<p>Exactly, NERDS FOR THE WIN!!!(upbeat musical crescendo)</p>
Be proud of your nerdyness. It means youve been at least somewhat properly educated
Rocket fuel doesnt explode if used properly. It combusts, much like the gasoline or diesel fuel in your engine. But instead of pushing a piston head, it applies the thrust directly out its jet
You don't always need explosives to propel a rocket, for example, if you have ever seen a bottle rocket, it just shoots straight up from fuel, that's why it makes a&quot; swoosh&quot; sound when it takes off
<p>Try using a baking soda and vinegar rocket. The kids and I had one years ago and it launched pretty well...had to ask the neighbors to retrieve it from their yard!</p>
While those rockets are fun, you cant (safely) get them up more than about 50 feet. To achieve any real altitude, true pyrotechnic rockets are needed
Potassium nitrate isnt inherintly explosive. In fact, its sold in bulk at hardware stores under the name &quot;stump remover&quot;
<p>water rockets, compressed gas rockets(vinegar and hydrogen peroxide), even Co2 rockets ...use your imagination and experiment and have fun just ALWAYS REMEMBER SAFETY IS MOST IMPORTANT</p>
<p>You mean vinegar and baking soda? There's little reaction from that and hydro perox.</p>
<p>In case you didn't know, rocket fuel needs combustion to create thrust. If you don't want to use chemicals like KNO3 and (NH4)(NO3), then try a bottle rocket. They run on water but they are not as fantastic as a fire propelled rocket.</p>
just an fyi, not sure, about ammonium nitrate, but potassium nitrate is an oxidizer, meaning that by itself, it is not flammable. if you add the other ingredient you needed to make the propellant (powdered sugar), then it becomes dangerous and flammable. the potassium nitrate and powdered sugar is a better and less hazardous way to make rocket fuel anyways, no production of ammonia gas.
I could be wrong on this, but I'm pretty sure you need an LEP to make rocket fuel
It depends on what type of fuel, how much per batch, and how big of a rocket engine you make. If you poke around, you can find the legal guidelines.
I think he means &quot;Low Explosive User Permit&quot; or LEUP. It's certain you need one to store homemade rocket motors or propellant; whether you need one to make propellant is open to a certain level of interpretation, but the commonest reading appears to be that you can make non-detonating materials (like rocket propellant) without a Federal permit as long as they're used the same day they're made, i.e. not stored. State and local restrictions may cause you some heartburn, however. <br> <br>As noted below, there are also some Federal restrictions on purchase of certain chemicals that are precursors or process ingredients in making methamphetamine -- for instance, I found recently that I can no longer buy &quot;strike anywhere&quot; matches, not because they're hazardous (no more so than they've been for 150 years or so) but because the tiny amount of phosphorus in the heads was being used in making meth. If ammonium nitrate is in that category, American farming is on its way out...
<p>The phosphorus is in the striking pad and not the head of the match.</p>
<p>that's sandpaper, otherwise it would be engulfed in flames. It's not, though, because while I don't know where this person is, but I can still buy them in bulk from the local walmart.</p>
<p>The big difference between strike anywhere and &quot;safety&quot; matches is that safety matches have the phosphorus only in the striking surface, while strike anywhere have it in the white tip of the head. The striker isn't &quot;engulfed in flames&quot; because the phosphorus is too thinly distributed to sustain combustion (fire triangle -- you must have fuel, oxidizer *and heat*), but in combination with the chlorate in the match head, it can start the match head mix burning.</p>
<p>just so you know strike anywhere matches light anywhere the phosphorus is in the math head or it wouldn't light lol lol</p>
<p>yea... thats why they have to put the phosphorous in the match head in strike it anywhere matches. </p>
<p>That's true of safety matches (the kind you can only strike on the striking pad) but not of classic strike-anywhere type. It's the tiny bit of phosphorus in the head that lets you strike them on a zipper, shoe sole, even a particularly coarse five o'clock shadow.</p>
As I understand the BATFE regs relative to rocket fuel (and even explosives), for federal compliance, as long as you're not legally disabled from possessing explosives you can make rocket fuel, as long as you either consume it the same day, or meet legal storage requirements -- which don't always require a Low Explosives User Permit. State and local laws, however, may completely prohibit rocketry outside NAR- and Tripoli-sanctioned model and high power rocket activity; making your own motors is completely prohibited by NAR, and sanctioned by Tripoli only after you're certified to a high enough level.
<p>Cold packs in the USA no longer contain ammonium nitrate. Instead they</p><p>are made with a salt solution.</p>
<p>Ammonium Nitrate is a salt.</p>
<p>no it is iodized sodium chlorate</p>
A salt, by definition, is the molecular bonding of a metal or meteloid to a nonmetal. Ie, sodium chloride, potassium chlorate, etc
<p>umm isn't that salt :/</p>
Yes, and that solution is called Ammonium Nitrate. I just bought a box yesterday, and it says it right on it
<p>Can any other fuel be used and if I go outside and buy Ammonium Nitrate what's the concentration that should be used?</p>
<p>I made it but the solution was to weak. maybe 7 cups of water instead of 17?</p>
<p>If i do this in Australia where i live and get cought i will probly go to jail for 20 years or so</p>
I tried this launching just the engine, and mine started smoking and hissing but did not take off, would you know why?
<p>If the chemicals are old it won't work. the papers should be loose. Oh, and a little funny tidbit: Baking soda is a great thing to put out fire. It releases CO2, which is what's in fire extinguishers.</p>
I don't really know, but it could've been because the wick wasn't installed correctly. It should be deep inside the engine, so everything ignites at once and it takes off.
<p>do you know about what size roll makes which rating (the commercially sold ones have ratings such as A-8, C-6 so on so forth). Also, with the estes rockets, will the parachutes be able to deploy? And one last question, can this be ignited electronically? (just wondering because this looks awesome and I may try it...)</p>
<p>3/4'' x 2 3/4'' of Kno3 is equivalent to an E45 booster engine </p>
Actually i wanna ask....whether it wrks or not ....becoz im lookin forward to make it for my annual sceince project...<br>..please send me the videos.....thnx
<p>its best to use KnO3, 65 percent potassium nitrate and 35 percent pure glucose such as powdered sugar (these percentages are by weight NOT volume) you can reduce each by 5 percent and substitute with 10 percent baking powder to create a slower burn rate of 5 sec... USE CAUTION!! nitrile components are poisonous and this composition is highly explosive!! potassium nitrate(Kn) is available on ebay</p>
<p>what do I use for the body tube?</p>

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