While waiting for the show to begin, first a little mod’ing music:
Life in the Valley Below is good. Fertile fields. Great apple crop every year, the Queen of Light bakes a mean cobbler. Supple maidens cavort in the woods all night. They are always willing to lend a helping hand. Things couldn’t be any better. Except… except for that pesky Dragon of Darkness. Nasty creature. Poops in your garden. Ravages maidens. Farts like a mainiac. Gotta do someting about that critter… not easy. The EPA has banned Dragon Be Gone. Fish and Wildlife has declared it a Threatening Species, you kill one and they take away your birthday.
Oh now, oh now, what do we know about Dragons of Darkness? Not much. Except that sunlight blinds its’ eyes. Merlin is a useless old codger. Nary a sun spell in any of his Grimoires. The old fart can’t even make a single lumen by rubbing two matches together. Gonna have to do this one alone…
Scour the kingdom for something. Something to blind the Dragon of Darkness. Nothing pops up. Gotta build it from scratch. Figure 20,000 lumens ought to do it…
The Cast of Characters:
A Bridgelux C9000 multi-emitter array.
A big honkin’ bowl for a heatsink/reflector
A purpose built custom driver
A couple of 6000 mAh 4S LiPo packs (can do 1000+ amps)
A cooling fan
A handy handle
A 98mm phenolic high power rocket body tube laminated with carbon fiber.
Some missile-anus nuts and bolts and paint and sandpaper and…
Beer
Mechanically this build is rather simple. Technically, it is definitely not…