Then turned out the sleeves and pinned the false cuff so that the chevron point bisected the sleeve seam, about 3 inches. This left some fabric outside the cuff.
The false cuff should extend about an inch beyond the end of the sleeve. This allows it to be turned under once the lining is sewn in. The false cuff should be about four inches or 3/4 of the way up the slash.
Finally, with a back stitch, sew along the line of the false cuff from the point to the cuff slash. Both lines of stitching should start at the point (upper sleeve seam). This ensures that your cuff lays properly. I also like to pin not just at the seams but throughout the cuff. This ensures that it lays properly during application and does not buckle. Trim any excess where the cuff overlaps the slash. They should be cut flush and fixed together with a back stitch as well. Your stitches should be at least 6-8 per inch. This ensures that the fabric doesn't pull apart, and for topstitching ensures that it lies properly. It also looks a lot better than long running stitches.
Next up, working the pockets, as well as attaching the sleeves, epaulettes and wings.