jimmy101 wrote:Ya, for electronic control a 555 timer would work great, or just a pushbutton switch though the reproducability would suck with a pushbutton.
I wonder if you can get the injector and pump off a junked car?
I wonder if it should be a direct injector or an indirect injector (on the car)?
A car garage should be able to scare one up, I would think...fairly common replacement item these days. Those things are tough as nails and even one whose nozzle is worn would serve the purpose on a spud gun quit well.
You would have to set up some kind of power transistor to drive the injector coil...the 555 probably couldn't drive it directly...wouldn't be hard though.
I'm not familiar with direct vs indirect injectors...I'll look it up...