3D Interactive Model
Click left mouse on the model to tumble or rotate, right mouse to drag, thumb-wheel to zoom, double click to re-center.
Database Information Shipwreck Portland
Basic Information
Name(s) Portland
Registry US
Official Number 19623
Vessel Type Schooner
Year Built 1863
Year Sank 1877
Hull Material Wood
Engines None
Dimensions
Length 150 ft estimated
Width ft
Depth ft
Vessel History
Complete Historic Information Link – https://greatlakeships.org/2899021/data ; https://thunderbay.noaa.gov/shipwrecks/portland.html
Wreck Site Information
Lake Huron
State or Province Michigan
Depth 6 ft
GPS Coordinates N45°14.859’ W83°24.448’
Site Description The Portland is badly broken and the site includes a 112 ft section of the keelson with some of the bottom of the ship. The pocket for the centerboard is visible in the keelson. The site also includes a short roughly 80 ft. section of the starboard bow with a portion of the stem.
Model Information
Photographer
Photographer(s) Ken Merryman
Year Captured Sept 2024
Time it took to capture 40 min
Modeler Information
Modeler Ken Merryman
Date Completed 8-2024
Hours of input to complete 3 hrs
Technical Information
Photography
Camera – Canon 5d Mark IV in a Nauticam Housing with an 8” Dome Port
Lens – Canon EF Zoom 8-15mm set at 15 mm
Multi-Camera Rig – No
Camera Propulsion – DPV
Video or Stills – Stills
Number of images Submitted – 1,768
Image resolution (pixels) 6720 x4480
Lighting – Artificial & Natural
Number of lights – 4
Light Output Lumens 4×10,000
Model Information
Software Used Agisoft Metashape Professional Version 1.8.0 Build 13794
Data Format .jpg converted from RAW
Number of Source Images used – 1,565
Are these images original or adjusted; Adjusted
If Scale Bars, calibration length – 3.0 ft
Portion of the site covered: Partial. There is scattered wood pieces in the bay and reportedly another section of the stern north of the main wreckage in a few feet of water not covered in the model.
Publishing Restrictions
Licensing Usage Restrictions CC BY-ND
Attributed to: 3DShipwrecks.org
Resource Data in Database
Model Yes
Source Images Yes
Source CC .jpg
Number of Still Images 1,768
Video Clip None
Processing Report Yes
Camera Calibration .xml Yes