Instructables
video SOLAR CANNON FLASH STEAM CANON
This is a parabolic trough focused with a linear beam along a steel pipe that allow water to FLASH into steam creating a projectile launch exceeding 350 FPS.
dylanG13134 months ago

on a scale from 1-10 it would be a 7

Eye Poker1 year ago
Dan it's only a matter of time before you are ruling over your neighborhood with steam cannons and solar death rays.
GREENPOWERSCIENCE (author)  Eye Poker1 year ago
:-) this will be featured on nat geo in Sept.

HUEHUEHUEHUE, would be awsome.

Kiteman1 year ago
So, the pipe is heated by the sun, and when you let water in, its flashes to steam?
yeah, its actually a common reason why boilers on old steam locomotives would explode when refueling their water.