Flywheel Forum

Fairmount, Briggs & Stratton,Ottawa, Unidentified Engine and Sears Light Plant

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40/2/1: Electrolysis
In recent issues I have read that collectors use "electrolysis" to loosen rusted parts. Can someone explain or suggest literature that will explain the procedure? Dane Fuchs, 1700 Ash Ave., New Salem, ND 58563; (701) 843-8306

40/2/2: Two-Cycle Fairmount
I have a two-cycle Fairmount engine that was used on the railroad crew cars (hand cars). If someone knows where I can get information about this engine, I would like to know more about it. Ralph Sager, 1241 153rd Ln. NE, Ham Lake, MN 55304

40/2/3: Ottawa Saw Engine
Looking for information on an Ottawa log saw engine, serial no. ES6571. It has a 4-1/2-inch piston and one flywheel. Greg LeClair W255 S5434 Oakdale Dr. Waukesha, WI 53189; (262) 548-1565

40/2/4: Unidentified Engine
I have an unidentified engine that was given to me a few years ago. The previous owner had no information about its origin. I have shown pictures of it to people at old engine meets without success. I have looked through C.H. Wendel's book several times and cannot find my engine or one that has similar features that might give a clue as to its maker.

The enclosed pictures show a few of its unique features: The valve and combustion chamber assembly (missing) is a bolt-on unit held in place by two 3/8-16 NC studs on 2-1/2-inch centers; the exhaust valve is actuated by a long rocker; four spoke wheels; flyball governor that actuates the carburetor; no casting numbers, nameplates, mounting holes for nameplates or any other identifying marks; the engine has probably been retrofitted with a magneto for spark ignition; the bore is 3-1/2 inches and the stroke is 4-3/4 inches; and the main bearing caps are angled.

Any help I can get in figuring out who made the engine would be greatly appreciated. Wayne Johnson, 1716 Westminster Way, Annapolis, MD 21401; (410) 849-2696

A: Your engine looks very much like a Parsell &Weed made from drawings published in 1900 in Gas Engine Construction.

40/2/5: B&S Type A Information
Q: I have a Type A B&S engine, model no. 208055, serial no. 46953. It has a hand crank stationed on the engine. I would like any information someone might have on this engine, including year, HP rating, and what it was used for. I'm thinking a generator? Jerry Sheeley, 306 Morris St., Uhrichsville, OH 44683

A: The serial number corresponds to a build date of July 1940. It has a 2-1/4-inch bore and stroke. Early Type As were rated at 1 HP; later units were rated 1-3/4 HP, as rated speeds increased with the later models.

40/2/6: Wiring Diagram For Sears Light Plant?

This is a Sears Farm Master Light Plant, 110-volt with a 6-volt battery starter. I would like to have some information as to when this unit was built and who built it for Sears. Does anyone have a wiring diagram for it? This unit is in exceptionally good condition and shows very little use. Vernon Scheiderer, 16732 Robinson Rd., Marysville, OH 43040; (614) 873-5348

Flywheel Forum is a place for readers to ask questions and share information on their equipment. If you have a question about your engine or tractor, please send it along to Gas Engine Magazine, 1503 S.W. 42nd St., Topeka, KS 66609-1265.