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I finished my latest engine model a couple of days ago. 4 cylinder inline with overhead cam 1" piston 1" stroke Atmospheric intake valves 6 to 1 compression Updraft carb Distributor This is my own design and built as I go along. Thanks for looking Ray

Well it's been 26 days since I finished my 4 cyl boxer engine and I am having withdrawal jitters so time for another engine build. This one will be a 4 cly inline overhead valve engine with an all ball bearing crankshaft, mains and rods. I got this chunk of aluminum the last time I went to...

It runs !! Ray

I have never built an engine with more than 2 cylinders before but I was really impressed with how smoothly my last engine the "Horizontal Twin" ran that I am going to try a 4 cyl version. I want to use three ball bearings on the crank shaft so that means I will have to make a built up crank...

Dual overhead cams 1" piston 1" stroke 5.5 to 1 compression ratio Thanks for looking Ray

I was doing some shop cleanup and organizing the other day and ran across this crank shaft that I had made close to 3 years ago. At that time I had built a flat twin engine that did run but not very well. After a lot of fiddling around and some disappointments I decided to use some of the...

I became interested in the Ford engine years back but never really got the bug to make one until after building the Benz engine. The Benz engine has a sliding plate for the intake valve which is rather odd since he used a regular valve for the exhaust. The Ford engine uses plumbing parts that...

This is the link to my build. https://www.homemodelenginemachinist.com/threads/a-new-home-for-my-benz-engine.35405/ Here it is in it's very own cabinet. Ray

After some prodding and pushing I have decided to try to make the Motorwagon for my Benz engine. It won't be a replica but of my own design and keeping as much as possible to the original. There have been several examples of this carriage made over the years including a run of 75 that...

I call this project finished. 1" piston 2" stroke 8" flywheel water cooled 181 degrees highest recorded temp at cylinder head 156 degrees water temp in tank roller bearing on the connecting rod 350 slowest rpm recorded 600 rpm is where the engine likes to idle Thanks Ray

This is a photo that I found online showing a model engine. The motor wagon engine has a horizontal flywheel mounted in the rear of the three wheeled auto. It was believed to be the first practical automobile in the world. There are many sites on line showing the engine and explaining some of...

I did not plan on building this engine as it is designed for an RC airplane and I never got into that hobby. It not something you can just set on the counter and start it up for a while to watch it run like I do with my other engines. It is recommended to use at least a 20" propeller and...

(Brian Rupnow has a thread he started on a similar build and watching his thread is what gave me the idea for this engine. Even though the engine types are the same my engine will be very different in construction and appearance. I want everyone to understand I don't want to take anything away...

I hope you like it. 2" combined stroke 3/4" bore. Thanks for looking Ray

This was an experiment I did with a stepper motor mounted on my V-Twin engine. I was not expecting this result. And a video Thanks for looking Ray

I finished this up a few days back and thought you may get a kick out of it. This is the same engine that powered the water pump I built a year ago. Thanks for looking Ray

After my success with the ball governor on "Red" I went looking for another project. I had built an Eagle engine two years ago and it was reliable and ran fine but at about 1300 rpms. I decided to see just how slow I could get it to run with a new governor and larger flywheels. A few pictures...

Success!!!! Specs 1" bore 2" stroke 5 to 1 compression ratio crankshaft and connecting rod all on ball bearings 6" flywheels weigh 4lbs each low speed 420 rpms 21 revolutions between power strokes almost no vibration I now have over 2hrs run time on the engine with no problems. I wanted a...

I have built a 90 degree twin engine with a splash lubrication system. The pistons have a single viton o-ring that works well. My problem is the oil is thrown directly into the #1 cylinder and the o-ring can not handle it. In a very short time #1 cylinder is flooded with oil and stops firing...

I wanted my engine to do some work so I made this water pump for it. Thanks for looking Ray