Curved Horn for Steam Siren
The horn is curved so water won't get into it when it's mounted in a ship
Materials
1-1-2 inch threaded brass elbow x1
Brass sheet
Steam siren with broken cowl
Assembly
First unscrew the old cowl (horn). make the cone by cutting a line half way through a brass circle and bend it inward and thread the cone with a threaded die, then insert and thread into the 90 degree brass elbow and then into the siren. make sure the siren sounds good before you put it into the boat of choice