Today I reached a significant milestone in the design and construction of the new bicycle. I put the major components together this afternoon for a trial fit. There is a photograph of the new bicycle on the blog. The components are the wheels with tires, the front fork, the main frame with a small front sub frame and the rear suspension frame its Fox Vanilla Shock and one seat.
As you can see in this photo there are no cranks or pedals and no steering. There are cranks, chains, brakes and shifters in the boxes. We have been hauling it all around for a year now. The trial fit was to see that the step-over height matched my design and that everything fit properly.

I did discover a problem with the width of the front fork dropouts. I allowed an extra millimeter for shrinkage when brazing. Unfortunately it shrunk three millimeters. It has to be 165 mm wide between the dropouts for a rear wheel to fit. (Fronts are normally 110 mm but my front wheel is driven by the captain.) I hold the dropouts firmly in place when I braze the tubing joints. Everything gets real hot and expands during the operation. The brass cools and the parts shrink back when they get cold. I think I can thin the locking nuts down on both sides of the wheel and get things to fit. Right now I have to use a crow bar to spread the forks enough to get the wheel in. Not a good plan for the roadside tire patching operation.
After placing the new bicycle back in the shop trailer, Judy and I went for a ride on Path, our green dragon recumbent tandem bicycle. There are about five miles of roads in the campground where we are staying near Congress, Arizona. We rode all the roads in camp at least once each and logged a total of six and a half miles. This is our first ride since I was diagnosed with Parkinson’s disease. My balance has been questionable since the first of the year and we have not ridden as much as normal. Today my balance seemed better and we got along very well. Hooray! Just to be sure, however, the new bicycle is designed so either of us can be the captain.
The new bicycle does not have a name yet. We will have to see what his personality is like when we get him all together and go for that first ride. Path may be getting suspicious with the new set of wheels hanging out in the trailer, but so far I don’t think he has a clue that he will be replaced as top dragon.

So long from sunny Arizona

Gary and Judy