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Hi Bruce, Thanks for the kind words! The bigger parts of my engine are sand blasted and painted satin black with paint from the DIY store. The small parts are tumbled and treated with Steel Black, a chemical blacking stuff. This works fine and is long lasting. No dimensional changes ! See...

Hi Bruce, As far as I know the kingshaft on the single cylinder MAN and Deutz engines run on crankshaft speed. This also gives a more sensitive governour. I will follow your project with interest and I like pictures! They tell me more than 1000 words. Succes with your project. Best regards...

Hi Diego, I made a black and white copy of the book a few years ago. I don't need it any more because I have the original book now. If you are interested to have the copy give me a mail. I am not intended to earn money for it so you can have it for free exept for the postage. Best regards...

Hi 14003, I have the same problem.

You haveto be logged in to see some pictures.

Hi Tom, The general rule for moduul gears is 2.25 x moduul. So in your case the teeth dept is 1.8 mm. Kind regards, Johan.

Hi Jeff, Well done, runs very good with a lovely sound. What do you think about a period switchboard and some tiles on the floor? Do you start it by hand or with the use of a power drill? Anyway a very successful project. Heat off ! Kind regards, Johan.

Hi John, I made this engine many years ago from from the original drawing but without the use of castings. It was a good runner but had serious problems with the lubrication. I discovered the source of the problem after I had sawn the model. Perhaps I can answer your question. Please see my...

Rule of thumb: With a clean and dry cylinde ( no oil ) When you shut one side of the cylinder the piston should stay in place. When you open the cylinder the piston should fall out inmediately by it's one weight.

What about buying a tablet?

It's a good runner too! Kind regards, Johan.

Hi Terry, I agree with you ! Kind regards, Johan.

Hi Brian, Sorry for the wrong information. The double spiral groove is not invented by Carl Benz but by his later business partner Gottliep Daimler. A German model engineer Heinz kornmuller offers a casting kit of this engine. The spiral grooves can be made on a milling machine with a Rotary...

Hi Brian, You forgot to mention the double spiral groved crankshaft used in the earley Benz motors. Kind regards, Johan.

Hi john, Welcome in the world of IC engines. Is Odds n ends from Philip Duclos something for you? It's a good runner and easy made. Succes with your first engine. http://bbs.homeshopmachinist.net/threads/57629-Philip-duclos-odds-n-ends-hit-and-miss-engine Kind regards, Johan.

Hi Bob, Cast iron is the best material for IC engine cylinders as wel as pistons because of its carbon content. For such a small engine a should go for a cast iron piston because the thermal expansion is the same as the cylinder. This gives a good compression when the engine is cold. The oil...

Hi Ed, In the Netherlands where I live are no spark plugs 1/4 x 20 tpi for sale. Normal plugs are 1/4 x 32 tpi. For cheap Coils we use 2nd hand Coils from a Honda or Yamaha moped. ( Not the electronic ones.) They work great on a 3.6 volt NiCad battery. Kind regards, Johan.

Hi Larry, Congratulations with your very fine engine! Well deserved. I like your choice of wiring. Looks period correct with the cloth insulation. Where did you find those wires or are they home made? Do you want to share the secret with us? Looking at the battery and coil box you are also a...

Hi Zadch, Your granddads engine looks like an old english Stuart engine. The picture comes from an advertising in Model Engineer magazine date Feb. 1952. I have no further information about the engine but recognised it from your photo. Perhaps it may be of help. Try also internet. Search for...

Hi Jeff, The amount of oil needed for proper lubrication of your engine depends on many factors. One of them is the materials used. I mostly use cast iron for the cylinder, piston and ring(s). I should go for one drip a minute, the suggested one drip a second creates a mess. During the...