Mini-Simmons
Simster
Ekstrom
Golden Mean Machine
CyberSim
The Mini-Simmons
Classic dual keel Simmons hydrodynamic planing hull
The Simster
Tri-finned planing hull
The Ekstrom
Asymmetric planing hull
The Golden Mean Machine
Tri-finned planing hull
The CyberSim
Tri-finned planing hull