If we're talking 36 cal Navy I'd start with a 15gr load by volume (use a 15gr BP spout). A 18-20 gr load would be a good all around shooting load and 23-25gr by volume will be a nice thumper.
With over 15 perCUSSIN' revolvers, I've been called the Imelda Marcos of cap & ball.
SASS#3302 (Life), SASS Regulator, NRA (Life), DGB#129
Wolverton Mtn. Peacekeepers (WA), former Orygun Cowboy (Ranger, Posse from Hell)