Armed Polite Society

Main Forums => The Roundtable => Topic started by: Ben on October 26, 2020, 09:08:48 AM

Title: Exothermic Pulsefire
Post by: Ben on October 26, 2020, 09:08:48 AM: My LGS just sent out a notice that they have these in stock. Bad timing as I'm limbing trees and collecting brush piles that need burning just now. >:D

https://exothermic.tech/product/pulsefire-lrt/
Title: Re: Exothermic Pulsefire
Post by: MillCreek on October 26, 2020, 09:22:21 AM: Oooh!
Title: Re: Exothermic Pulsefire
Post by: WLJ on October 26, 2020, 09:35:15 AM: Just in time

First 'murder hornet' nest found in U.S., a key step in preventing spread
https://www.nationalgeographic.com/animals/2020/10/asian-giant-hornet-nest-found-washington-state/
Title: Re: Exothermic Pulsefire
Post by: griz on October 26, 2020, 10:24:47 AM: The igniter on my grill quit working so I "need" one of those.
Title: Re: Exothermic Pulsefire
Post by: MechAg94 on October 26, 2020, 11:20:46 AM: That is one way to keep ~~rioters~~ hornets at a distance. :angel:
Title: Re: Exothermic Pulsefire
Post by: ConstitutionCowboy on October 26, 2020, 11:28:38 AM: They forgot "Home Defense" under uses. [popcorn]

Woody
Title: Re: Exothermic Pulsefire
Post by: Pb on October 26, 2020, 11:42:43 AM: Surprisingly affordable! =D
Title: Re: Exothermic Pulsefire
Post by: Ben on October 26, 2020, 11:55:39 AM: Quote from: Pb on October 26, 2020, 11:42:43 AM
Surprisingly affordable! =D

I'm so tempted right now, you don't know. The LGS is selling them for $650, and I think I can make it a farm expense for taxes. :laugh:
Title: Re: Exothermic Pulsefire
Post by: Pb on October 26, 2020, 12:10:08 PM: Quote from: Ben on October 26, 2020, 11:55:39 AM
I'm so tempted right now, you don't know. The LGS is selling them for $650, and I think I can make it a farm expense for taxes. :laugh:

(https://memegenerator.net/img/instances/60620621.jpg)
Title: Re: Exothermic Pulsefire
Post by: Angel Eyes on October 26, 2020, 06:38:54 PM: https://youtu.be/fgRFQJCHcPw?t=65
Title: Re: Exothermic Pulsefire
Post by: just Warren on October 26, 2020, 11:20:33 PM: Can I get one of those in the 40 watt range?
Title: Re: Exothermic Pulsefire
Post by: French G. on October 26, 2020, 11:45:33 PM: Empty ABC fire extinguisher, 2/3 full of diesel(not gas) pressurize back through the nozzle with shop air and a rubber blow nozzle. Way cheaper, impressive. I suppose you could rig a stun gun igniter like this if you wanted.
Title: Re: Exothermic Pulsefire
Post by: dogmush on October 27, 2020, 07:51:49 AM: Quote from: French G. on October 26, 2020, 11:45:33 PM
Empty ABC fire extinguisher, 2/3 full of diesel(not gas) pressurize back through the nozzle with shop air and a rubber blow nozzle. Way cheaper, impressive. I suppose you could rig a stun gun igniter like this if you wanted.

If you stir some styrofoam up in the fuel it works even better....
Title: Re: Exothermic Pulsefire
Post by: AJ Dual on October 28, 2020, 10:25:16 AM: Quote from: dogmush on October 27, 2020, 07:51:49 AM
If you stir some styrofoam up in the fuel it works even better....

Getting the styrofoam into an even suspension is the trick. You need some sort of emulsification agent to do that. Styrofoam + fuel = clumpy melted styrofoam.

I made a small batch as a kid in a pickle jar, and the styrene never dissolved or mixed with the gasoline, it just sat in a gooey paste at the bottom.

Additional benzene might help. I don't know. OTOH, gasoline probably/possibly has fractions in it that are benzene or close to it, so maybe it wouldn't.

The melted styrene burns like hades, and is incredibly difficult to extinguish, but it's too thick for a flamethrower as-is.
Title: Re: Exothermic Pulsefire
Post by: dogmush on October 28, 2020, 10:29:30 AM: Paint shaker
Title: Re: Exothermic Pulsefire
Post by: HeroHog on October 28, 2020, 09:07:00 PM: I used a $1 styrofoam ice chest + pump gas to make "napalm" as a kid. Add crumbled foam to gas, mix till proper viscosity achieved, "serve". Worked great for me.