Boatagain
Well-known member
- Joined
- Sep 13, 2014
- Messages
- 252
- Fluid Motion Model
- C-24 C
- Non-Fluid Motion Model
- Cutwater 30
- Vessel Name
- Gatsby
Our boats have semi-displacement hulls, correct? I was wondering when there's more boat under the water, at displacement speed or planing speed, all other things being equal.
I always thought that when the boat lifts up on plane, the draft is shallower, but the service manager at my dealer says the opposite is true. To ask this question from a more practical standpoint, say you unavoidably find yourself in shallow water, which speed condition would provide the most cushion against scraping the bottom? Of course, I'd rather hit bottom, if bottom is going to be hit, at a slower speed, but can getting on plane raise the boat enough to make a difference?
I always thought that when the boat lifts up on plane, the draft is shallower, but the service manager at my dealer says the opposite is true. To ask this question from a more practical standpoint, say you unavoidably find yourself in shallow water, which speed condition would provide the most cushion against scraping the bottom? Of course, I'd rather hit bottom, if bottom is going to be hit, at a slower speed, but can getting on plane raise the boat enough to make a difference?