"This ship is equipped with a forward-mounted, twenty-millimeter electric cannon. Its six barrels are capable of firing four thousand rounds of ammunition per minute. And that, gentlemen, is one hell of a sh!t-storm in anybody's language!"
This movie was so awesome, and still is IMO. I was going through my old files when I found a forgotten treasure of sorts. I can't remember the website I found this on, but IIRC, the son of the man who supplied the original Gazelle helicopters for the movie uploaded a huge set of photos that his dad had taken on the set. These include the best reference pics I've found of Blue Thunder itself and also stills of the movie's helicopter dogfight in the streets of L.A. I thought the album is too cool to not share: Blue Thunder Flickr Album.
And check this out, I know there are many out there but this is arguably the best scale RC model I've seen of the beast itself: