I ended up applying wood filler and sanding at this point. First, I was worried that the rough handling during sanding might damage the transom pieces if I attached them first. And second, I was just impatient to get the nice, smooth hull that I hoped for.
![Hull after filler and sanding](http://blog.clockwork-orrery.com/wp-content/uploads/sites/4/2019/04/sultana_build_log_028_01-512x341.jpg)
![Hull after filler and sanding](http://blog.clockwork-orrery.com/wp-content/uploads/sites/4/2019/04/sultana_build_log_028_02-512x341.jpg)
![Hull after filler and sanding](http://blog.clockwork-orrery.com/wp-content/uploads/sites/4/2019/04/sultana_build_log_028_03-512x341.jpg)