![]() ![]() If you’re here having issues guessing the correct word, we’re also here to help as usual. If you haven’t been keeping track, that brings us all the way to Wordle 481. ![]() 11th St.We’re rounding the corner on the week with a Thursday Wordle of the day! Now we’re checking out the Wordle answer for Octo(which one could almost certainly guess from the headline above). The engine is now much more pleasant to sit next to at the shows! I’m working on plans for a small Hvid now.Ĭontact Steve McClellan at 401 W. But after a few years of watching Stan Ellerbeck’s wonderful engines run on the bottle, I lowered my compression, modified the intake and machined a demand valve to run on propane. It started life on gasoline with 6-to-1 compression and was quite a beast. ![]() The engine runs on a homemade buzz coil, and sports a brass tag that reads “McClellan Gasoline Engine, Tama, Iowa U.S.A., 3 HP, Serial No. My original drawings included machining round spoke 20-inch flywheels, but nearing the end of the project I decided on some Waterloo Chore Boy 18-inch flywheels found on eBay. I made a 6061 aluminum connecting rod with bronze bearings, and finished off the left side with a roller cam follower and dovetail slider assembly made from a Hardinge toolroom lathe cross-slide. The crankshaft is a 7-piece counterweighted unit with a 6-inch stroke and hard-chromed shafts. ![]() I machined a compact governor assembly and cam, and fitted them to a John Deere tractor timing gear set. The valve modules are 4140 steel, and contain 318 Mopar valves in bronze guides. The head is a 2-piece design to allow for tuning compression, and has an O-ring seal. An 8-inch 6061 aluminum round was finned and bored to accept a new cylinder liner from a John Deere 4020, and a modified 4-1/4-inch piston was fitted. The base is often mistaken as salvage from an old engine, but it is all welded and ground flat stock. After a few pages of sketches I set out to make some chips fly and built a homemade 3 HP hit-and-miss gas engine. I didn’t want a small model but rather a 3 HP-sized machine. Not being able to decide what to buy, I turned to my machinery and piles of bar stock for the answer. Steve McClellan's homemade 3 HP hit-and-miss gas engine.Ī few years ago I decided to get a hit-and-miss engine. ![]()
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January 2023
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