I was at Pima air museum recently, and snapped a pic of a Snakeye that I found interesting. For the last 2 or 3 decades I have been perfecting seam removal on the hundreds of dumb bombs I've built. Lookie here--they actually HAVE a seamline.

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I was at Pima air museum recently, and snapped a pic of a Snakeye that I found interesting. For the last 2 or 3 decades I have been perfecting seam removal on the hundreds of dumb bombs I've built. Lookie here--they actually HAVE a seamline.

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Is that an actual disarmed bomb, or just a cast concrete practice bomb painted up to look like the real thing?

Bombs are interesting things-- most are cast and filled-- a few are machined, but for the most part they are not uniformly smooth on the outside, and many do have imperfections, especially the larger "dumb" ones. On the other hand, Artillery rounds are generally machined, because the ogive must fit the barrel precisely, and the rotating band has zero tolerance for rough spots when it goes down the tube. I've seen real bombs with very rough surfaces, it just depends on the type.
VR, Russ

I understand they used retired 155mm M110 barrels for some of the early bunker buster type bombs.