3D Interactive Model
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Database Information Shipwreck Unidentified Thumb Wreck
Basic Information
Name(s) Unidentified Thumb Wreck
Registry
Official Number
Vessel Type Propeller
Year Built
Year Sank
Hull Material Wood
Engines Single Expansion Steam
Dimensions
Length Approx 160 ft
Width Approx 23 ft
Depth ft
Vessel History
Complete Historic Information Link –
Wreck Site Information
Lake Huron
State or Province Michigan
Depth
GPS Coordinates Undisclosed
Site Description The main deck and hull are intact although the fantail is broken. Near the stern there is evidence of overhanging sponsons. The propeller which would likely be an early design is missing. The machinery includes a haystack boiler, feedwater pre-heater and single expansion steam engine of identical design to those on the propeller Indiana which were removed by the Smithsonian Museum team. The disarticulated aft deck appears to be hanging off the stern with the propeller shaft hanger bearing rods. There is an anchor windlass with an elevated rocker arm which was probably operated from the forecastle deck or spar deck, anchors sitting on the deck, part of the mast, and a capstan and bit on the stern. The sides of the ship are also extant on site laying on the bottom next to the hull. There are two cargo winches with frames on the port side near the engine and several hand carts scattered around the site.
Model Information
Photographer
Photographer(s) Andrew Goodman
Support Team Jon Connolly, Mike Michaels, Ken Merryman
Year Captured July 2022
Time it took to capture 30 min
Modeler Information
Modeler Ken Merryman
Date Completed 8-2022
Hours of input to complete 6 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
Sensor – 36.0 x24.0mm Cmos 30.4 megapixel
Multi-Camera Rig – No
Camera Propulsion – DPV
Video or Stills – Stills
Number of images Submitted – 1,864
Image resolution (pixels) 6720 x4480
Lighting – Artificial & Natural
Number of lights – 4
If known Kelvin Temperature CRI 90
Light Output Lumens 2×10000, 2×5000
Model Information
Software Used Agisoft Metashape Professional Version 1.8.0 Build 13794
Data Format .jpg converted from RAW
Number of Source Images used – 1,863
Are these images original or adjusted; Adjusted
If Scale Bars, calibration length – 3.0 ft
Portion of the site covered: Complete
Publishing Restrictions
Licensing Usage Restrictions CC BY-ND
Attributed to: Andrew Goodman for 3DShipwrecks.org
Resource Data in Database
Model Yes
Source Images Yes
Source CC .jpg
Number of Still Images 1,864
Video Clip None
Processing Report Yes
Camera Calibration .xml Yes