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It helps a little bit, I could probably use the 3D model to help with some dimensions. What id really like to find is some patent numbers for some of the parts of the locomotive

I am trying to find information (brueprints, or drawings with dimensions) for the northern pacific railroads locomotive called Minitonka. All I know about this locomitve is that it has 44" drivers, weighs 12 tons and made by Porter locomotive works in 1870 with a 0-4-0 wheel configuration If...

Here is a full size drawing of the bike that I finished yesterday. Wheel base is 65" and I am using 28x2x2.25 tires from Coker

Full size paper model of the fuel tank

Crankcase for my engine design

Full size drawing of 938cc v-twin

1/4 scale of bike. 1st draft

Ok, sorry for the late update. Here is what I have this far into the project

I've been dreaming about building my own board track racer for the last three years or so and finally everything seems to be coming together slowly. My engine is going to be 938cc in displacement in. 90 degree v-twin configuration. I'm basing my engine around the motor described in Paul N...

I've been toying around with that idea for a little bit today, but I'm not sure where to start. How would i go about making a set of wooden patterns for all the parts i need?

It's, onshape. I had it for my iPad mini

That's fine, what would you charge for the patterns?

What do you guys think about the overall design thus far

We'll turns that the cad software I'm using isn't free :wall: now they want $100 just to get back into my drawings a work on them. So now all I can do is view the models I made. But I can't even look at dimensions of the actual 3D model I designed. Luckily I finished the model of my crankcase...

That's the book Im referring to, it's pretty decent has great illustration in it. How much you charge me for custom casting brotherbear

Ok, found out more information today. I talked to a relative that owns a machine shop in Albert lea Minnesota called ks engineering and he is willing to help machine my parts when I get the castings made, but he is going to charge me $80 per hour. Jerryk, thanks for the input. I'll start...

Thanks for the reply brother bear. I've updated my drawing. The engine is very loosely based on an engine I found in a book that was published in 1906. Hopefully we could work something out, I hope to work with you as my father in law and I could use all the help we can get

I'm in the middle of designing a vtwin motorcycle engine for my board track racer project and I have a dilemma. I need custom castings made for my parts, but I do not have the equipment or the know how to do any of it myself and I don't know where to go to get these parts made. Is there a place...

I designed the crank disks the other night, the book mentions that they should weigh close to 24lbs for the pair, but with the given dimensions my cad software is telling me they will weigh 12-13lbs for the pair? I wonder if he just scaled the drawings for a hoglet to a larger size? Is there...

zx Does anyone have a suggestion on where I can find some 1.625 steel tubing for the frame?