Marine Engine Collection of Mystic Seaport


J.W. Lathrop & Co. Light/Standard


Engine Builder: Lathrop & Co., Mystic, CT
Model: Light/Standard
Make: J.W. Lathrop & Co.
Inboard/Outboard: Inboard
Engine Type: Gasoline
Production Date: c. 1920
Engine Design: Two-Stroke
Overall Condition: Good
Rebuilt/Restored: Over Restored
Horsepower: 3.0
Cylinders: 1
Bore:
Stoke:
Coolant:
Accession:1960.652

Remarks: Complete with propeller, shaft, stuffing box and muffler. In running condition. Engine horse power confirmed in Mill as 3.0, originally mislabeled as 8.0 hp. Our 1925 Lathrop two-cycle marine engine catalog does not list a 3 HP ,one-cylinder "Light" model, only a 3 HP, one-cylinder "Standard" model. The "Standard" model at 175 Lbs., is rated for 3 HP at 500 rpm with a 4" bore and a 4" stroke. Most likely what we have is a "Standard" rather than a "Light" model. That catalog offers the two-cycle, one-cylinder "Light" models in only the 6 and 12 HP sizes. Engine has a removable head, make and break ignition and an elaborate oilier. Original carburetor missing when engine arrived, but now has Schebler carburetor installed after 1994 restoration. Engine folder contains a multi-page report on it's 1994 restoration. Engine is apparently 3 HP, rather than 8 HP as recorded in the Registrar's Office 10/20/05.


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1960.652-a.JPG
1960.652-b.JPG
1960.652-c.JPG
1960.652-d.JPG