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These are the pictures of the gear system in my Erten The apron: Gears adjusted : This is an improvement with a differential reduction system, in order to obtain low cutting advance.

Yes, this Allen screw (or hexagonal bolt) is for adjust the the flat pivot bar. I have allen bolt in this place, but in some position of the bar is difficult to access to the bolt.

Poiuy, I just saw the pictures, now I understand your question. The gear showed by the arrow is Z = 40 and mod = 2. All other gears following this gear are mod 1.5. What's wrong with your lathe?, as I see in the photos, all the gears are in place. You only need to adjust the apron loosening the...

I also downloaded the zip file, but it is empty. George try replacing the the file, apparently the problem is in the file not in the link, it download OK but have nothing inside the zip file. German

Congratulations George, Nice change box, I like your different proyect. Regards, German

I just bought an Milwaukee portable band saw, when I go to buy saw blade replacement, I discover the offer of variable pitch saw. What are the advantages and disadvantages of this kind of saw pitch? What are the reccommended pitch for mild steel bar stock cut, within 0.5 to 3 inches?,

This is another interesting toll, automatic locking pliers made by Craftman.

As this is a stationary engine, and made to more similar possible to the original, this noise is an assume issue. The ignition coil is locate as the original position (upper the engine) and the spark plugs wires cross the upper case at front . For minimize this noise, the coils would be outside...

Is very possible,because this engine have both spark plugs in serial and all engine make noise.

I will make a new video with another camera because the sound is not good.

Now I am finishing the design of my next proyect, It will be replica of the Wright J5. German

And the engine running .... http://www.youtube.com/watch?v=2ByWEupWAZU

More pictures, German

Gentelmans, Finally my engine is finish, This is the original BMW R100 with R7 engine and my engine, From upper left side, And front view German

Thanks for your responses. There is a difference between the music wire and wire used in electric guitars? Some months ago, I bought a kit of cords for electric guitar, but it not good for making springs. What about the strings to piano? Thanks, German

Anyone know where I can buy online wire for make springs in small quantities? Thanks, German

Very interesting proyect, Rob. This Whittle V8 is nice model. Regards, German

Some information and picture, http://madmodder.net/index.php?topic=4531.0

In the radial engines that I know, the oil falls into the crankcase is received by the bottom wall, which forms a small accumulation chamber because the cylinder liners are longer, and then this accumulated oil is drain though a pipe or crankcase channel to the return tank below the engine...

In my actual design of Wright J5, also I am considering 3 compression rings and one oil ring in the botton of the pistor, but if you estimate loose of 70%, is very high, I will recheck. The oil ring in the piston botton I think is necessary because the oil splashed from the main connecting rod...