Supercharging Your Rocket with Sugar - HERE'S HOW!

I show the steps required to make rocket fuel from sugar, potassium nitrate, and corn syrup. This is real rocket fuel and can be used to make a high-power "H" motor for about $10. LOKI hardware is used in this video.

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Previous flexi-fuel video 2020

Casting sorbitol rocket fuel.

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Use of this video content is at your own risk. This project should not be attempted without adult supervision. Sugar rocket fuel is for experimental use only.

I earn a small commision from items purchased through Amazon links.

[CardZed]

Recently got into the hobby, this is perfect timing!

[g-gon]

I tagged you in a video of my KNSB rocket motor's static test fire, It worked very well!.

[flintcoat]

We used to use plastic syringes for the kero syrup. Make a stand to hold one syringe upright, with the plunger removed, on the scale, reset scale to zero and with another syringe slowly add the syrup. Get the kind of syringe that has a short nozzle with a cover. LUR-LOK was a brand name, and I'm not sure in the spelling. The second one can be any type.
45 years ago any grain elevator or animal supply would have them. Today, who knows where you can get them. Makes getting the proper amount of syrup into the mix less messy!

[DJChesley]

Love the video, just wish you would have demonstrated one of them burning of course but overall great job

[unpocoloco]

i am in love with this channel.. you explain very well sir.. you will reach the heights soon..

[mikehuminsky]

An alturnative to karo syrup may be, pure maple syrup . The sugar content would have to be compared, to be an addiquit componet. Not to mention that it's a lot closer to liquid form !

[mojaverockets]

265 F is pretty hot for flex fuel. Quoting Dan Polino in his 'How to Build a Sugar Rocket' page 352, "Once the fuel mixture reaches 210 degrees", unplug and immediately pour' Even doing KNSB I never go above 225 F.
For safety, you might also want to have a bowl of cold water close in the event of sticky propellant on fingers.

[howardharaway]

I get good results making engines the dry method. I never cook my fuel .I use convection sugar, Potassium Nitrate in a nutra-bullet. 1 for fuel, and 1 for kitty litter clay.

[carlosrivera]

Can the mix be made without powdering the potasium nitrate or it needs to be powdered?

[howardharaway]

My question is this ? After blending 60/40
Pot. nitrate and sugar, would adding a small quantity of black gun powder increase thrust ? I have a few mortor fireworks that I have had for years and want to "carefully" cut them open and get the powder from them. Additionally, I want to cut open some larger size colored smoke bombs and mix that powder to my sugar fuel to leave a smoke stream when taking off. My question is about the fireworks powder. Not the colored smoke. That was an afterthought. Lol
Will it give me more pounds of thrust ?

[johnny]

Hi, thanks for your awesome videos. Why do you devide the propellant of a sugar rocket motor into mulitple grains and not a single large segment? Can I build a 1 inch pvc motor with a combustion chamber length of 240mm with only one propellant segment, so directly cast the propellant in the pvc pipe?

[dansmith]

This is great and thanks for all the info. One question: when you add times like "130C 10 minutes", does this refer to how long you keep the mix at that temperature or is it how long the whole process has taken? Thanks for all you do! Great channel...-Dan

[mr.harris]

Well done. Good idea to update the video. I have a question about the coring rods. I have 3/8 inch steel rods. Easier for me to get than the aluminum. Will their be a problem with this e.g. iron reaction in the fuel? I know they will conduct the heat more but I will wear protective gloves. Also, where do you get your casting tube and phenolic liner from for your Loki engine? I am having trouble sourcing that.

[LT]

Can you replace the sugar in this video with sorbitol? so 65% KNO3, 18% sorbitol? or do you even need corn syrup with sorbitol fuel?

[klausziegler]

I am worried my kno3 might get too humid after some months. After doing what you have done, will it be dry?

[LT]

ok, so these are grains for a re-loadable system? Any way to make single use H motors with PVC schedule 40 pipe? do all 4 of those grains equal an H220 or is each grain an H220?

[stanisawgorczyca]

how long to make fuel from sorbitol and what power of the induction hob

[stanisawgorczyca]

Is it worth using corn syrup with sorbitol in a mixture?

[matthewbolton]

Those little sandwhich bags are terrible to "keep dry." Otherwise, great video!

[ivanlawrence]

Can I just use regular cardboard tubing? Like toilet paper or paper towel tubes? And how to I know the diameter of the core? I've made some KNO2 + Sugar PVC pipe rocket motors and am looking to be a little safer (really it's my 12yr old who is into this, I'm just the safety tech and the $$)