Not much to this one, just had a little noise at the farm today. Mom wanted me to take some siren parts up there to store them so the back yard wouldn't look like a scrap yard. (Mom's words.) So while I was at it I took the Model 2 and SD-10 for some noise.
https://www.youtube.com/watch?v=x4pGCoAk3Kc
https://www.youtube.com/watch?v=G_w4PQ5BfUM