Don't discount plastic, there's some good stuff out there, plenty strong (as well as some dogs). In a couple weeks, pick up a copy of the March issue of 'Ships in Scale', I have a lengthy gearbox review in there.
But my favorite in a 380/400 size metal box, for ease of mounting, reasonable cost, and quiet operation is the MAXX Products ACC4036, 3.3:1 planetary (2nd from right, bottom of page:
http://www.maxxprod.com/mpi/mpi-10a.htm ... Gear%20Box )
Pat Matthews
Don't discount plastic, there's some good stuff out there, plenty strong (as well as some dogs). In a couple weeks, pick up a copy of the March issue of 'Ships in Scale', I have a lengthy gearbox review in there.
But my favorite in a 380/400 size metal box, for ease of mounting, reasonable cost, and quiet operation is the MAXX Products ACC4036, 3.3:1 planetary (2nd from right, bottom of page:
http://www.maxxprod.com/mpi/mpi-10a.html#Planetary%20Gear%20Box )
Pat Matthews