Marine Engine Collection of Mystic Seaport


Palmer Bros. U2


Engine Builder: Palmer Brothers Co., Cos Cob, CT
Model: U2
Make: Palmer Bros.
Inboard/Outboard: Inboard
Engine Type: Gasoline
Production Date: 1911
Engine Design: Two-Stroke
Overall Condition: Good
Rebuilt/Restored: Over Restored
Horsepower: 4 - 5
Cylinders: 2
Bore: 3.75"
Stoke: 3.5"
Coolant:
Accession:1960.377

Remarks: Make and break ignition. Three-port, reversible motor. Weight 245 lbs. Fly wheel 13" dia. Designed for use with a three blade, 16" dia. Propeller. Painted blue and black. Rated 4 HP at 550 rpm. Front of fly wheel to end of coupling 25". Center of shaft to top of engine 13". Cost in 1907 $130.00, including carbureter and muffler. (Ref. "1907 Catalog Palmer Bros., Cos C, Conn.", reprinted by "Heritage Engine Collection", Richard A. & Barbara Day, Severna Park, Maryland 21146.) Engine Model U2 was carried in the Palmer catalog during years 1906-1916. The 1911 edition of the Palmer Gas Engine Hand Book has instructions for mixing oil with the fuel, 1 pint to 5 gallons of gasoline. Note: Recorded information and engine maker's tag don't agree. Refilled with anti-freeze 2006. Painted blue; frozen, not in working order.(9/25/72 per David Dodge) Subsequent restoration w/full disassembly by Richard Day 3/16/88 left engine complete except for ignition coil and one bearing grease cup. On 4/30/06, missing grease cup was replaced by an original Palmer cup with new piece of brass tube.


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1960.377-a.JPG
1960.377-b.JPG
1960.377-c.JPG
1960.377-d.JPG