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Jan Ridders plans are free. All you need to do is email him a request and he will email you the plans. Converting plans to metric is fairly easy to do. The biggest issues are fastener sizes and stock material sizes.

Check out www.ridders.nu for some Metric engine plans. Good luck with your first IC engine. I am currently working on my first IC engine, the Kerzel Hit and Miss.

I finally completed the crankshaft today. The first step was to center drill both ends in the mill. Then I milled out the majority of material from the center of the throw. Note the 1/4" rod sticking out the left end. I welded this on to drive the piece when mounted between centers in the...

Check out this post for an explanation on how to add text between images without using an imaging service.

The 3/32" hole is used when drilling the port hole in the cylinder. The piston and rod assembly is slid into the bore, the drilling jig is placed over the pivot pin, and a 3/32" pin is put through the 3/32" hole in the jig and the hole in the end of the piston rod. This holds the drill jig on...

Thanks Brian, Jim, and Gus. I am glad you are enjoying the build. Today I finished the bores in the bearing supports and caps. After mounting the caps to the bearing supports I drilled the bores using a 1/2 inch drill. Then mounted them to the base, clamped it on edge in the mill vise, and...

Next up are the bearing caps. First center drilled the centers of the two bores and milled the flats on the tops. Then mounted on the rotary table using a spud in the quill to center on one of the bores. Rounded the top, flipped the piece and repeated for the other side. Using a hacksaw...

The next parts are the two base sides/bearing supports. After drilling and tapping the holes in the bottom I center drilled where the center of the bore will be. Then drilled two 1/8" holes tangent to where the angled portion will be. After mounting in the four jaw chuck I indicated the...

Excellent work so far. I will be following along as this is one of the projects on my must do list.

I cannot see the pictures nor access your website.

Now on to the base. First drilling and counter boring all the bolt holes. Because of lack of enough Z axis I couldn't use the vise and had to come up with this setup. I almost made a huge mistake and had it all set up with the bottom of the base facing out. I noticed it right before...

You're welcome, glad I could help. Great start to this engine. I will be following along.

After uploading images you can click on the arrow next to the attachments icon (paperclip). This will bring up a box with the uploaded images listed. Clicking on one will place the image where the cursor is currently located -shown as . It took me awhile to figure this out too. I do think it...

Thanks Jack. I would have bored mine in the lathe, but my 4" chuck was too small. I checked out your engine and it looks great. Did you get it running?

Thanks Gus. For the finishing cut I use a standard cheap end mill. I make my final depth of cut about .005" deep and feed really slow.

Thanks Brian. Have you run yours without water? In the drawing notes David Kerzel states that it doesn't need water and will only get to 120 deg F without.

Here is the detail work on the top of the water reservoir. First using a 3/8 inch ball mill. Then finishing with an end mill. And finally the finished cylinder body. I think this is the most complicated piece that I have made to date. I am very pleased with how it turned out. Hopefully...

Got the rounding done on the cylinder body. After centering the rotary table on the mill I indicated on the bore and clamped it down using a threaded rod and washers. I installed some clamps to use as stops for when the part gets flipped over so that I don't have to re-indicate. Using a 3/4...

Here is the machining of the water reservoir. First I milled out the square portion with a 3/8 inch endmill. Then machined the round undercut with the boring head. I had to grind some clearance above the carbide. (Sorry for the blurry picture).

Thanks Pat. That was my problem. It is working now.