I'm building an 18' x 24" titch and glue single which is coming along out well. If it paddles as nicely as it is looking, I'm thinking of building a long, slim, 24' x 24" double.

I'm assuming that if I add 4" between each station and keep my offsets the same, my bottom and side pieces will fit together as well as those on my single.

Has any one tried this? Are my assumptions okay?