here's the current setup for my flamethrower. After working out some loose ends i was finally able to run it at +400~ psi but I only really got about a 10 MAYBE 15 foot flame when bursting. I was reading about how the M1 and M2 pressurized at the same numbers where able to easily do sustained burns at up to 40 and im not really sure where im going wrong. I'm using nitrogen (Silver) pumping into black (Gasoline). Any ideas on how to make it shoot farther?
Thicker fuel, or (less practically) laminar flow. The mythbusters episode about pissing on an electric fence showed that a low-viscosity fluid rapidly becomes a stream of disconnected spherical drops upon leaving a pipe. This is also visible when using a garden hose, and higher velocities/flow rates exacerbate the effect.
Lots of disconnected drops means higher surface area, so your fuel loses velocity and also burns up much more rapidly. Mix some ivory soap or styrofoam in there, instant improvement.
Thicker fuel doesn't seem like a bad idea at all, got any suggestions for s specific mix? I'll look into that second option a bit more, thx for tha info
It's pretty simple anon, it's one of my first and was pretty fun to build too. It's really just a pressurized tank and some way to open it up so the gas shoots out. no pumps or nothin required
I have no idea what the mix is, but I napalm is not just gas. It does have a thickener that allows for higher pressures and, more importantly, allows it to stick to anything and burn. If I remember right, the redneck approach was to dissolve common styrofoam packing material in the gas and turn it into a gel.
Well I heard you can use other hydrocarbons like paraffin and petroleum jelly. Maybe melt them in a jar using boiling water then add to gasoline? Just what I heard.
For best results just go ahead and use a gas stove and mix it all right there next to the open flame. Should be fine.
you can make a better fuel by dissolving styrofoam into gasoline. Although there are actual napalm recpies that require random chemicals and shit
like said, a thicker fuel flies further
This is the PrepHole I have always dreamed of.
Ahhhhhh to be young again
you need a higher flow regulator and hose, you may get 400psi at the regulator but not at the fuel tank while it is in use
yeah i noticed this, when that regulator was reading zero that tank was still emptying out leftover nitrogen. Good catch, ill see whats available near me.
>pressure washer nozzle
lol those are designed for water
Does that hose break down from fuel running in it? Or might seem okay now, but after a few weeks would it rupture? How about the o rings and seals? Would suck to get hosed with fuel.
yeah it'll probably happen. I've been racking my head with a suitable for a while, think ill get some kind of piping and thread a female fitting onto the end of it so i can squeeze on the same pressure washer nozzle.
suppose it really is the fuel mixture, thats a relief, i'll tell you how it goes now that i know for sure. I'll probably be testing it tonight.
there are no failures in feats of engineering and science, only steady advancement. stay hating ambitionlet
Can you just keep a video running the whole time you do this? I don’t want to miss the catastrophic failure.
>inb4 liveleak watermark
What could go wrong ?
Quit being a gay, just because you get filtered by a screwdriver doesn't mean others do.
Thicker fuel, better nozzle design, and lower the pressure.
Military flame throwers only ran at a max of 300 psi. They would burst if run much more than 500. 280 or so was found in testing to be the sweet spot for range with a military nozzle.
Bumping for some live demos. This is a great fricking thread.
>dont get out much