"Self-propelled" carriage from the Master, all the nuances

In my opinion, this trolley - crafts masterpiece. Let's try to imagine the same make.

Now, in order.

I have a friend, call him Master, which is of an awkward one-wheeled carts, which fills up the left side, did this:

Worthless trolley with the broken wheel turned in an ideal

A few words about the Master

He always wanted to make "such instruments, which only hold your hand, and they themselves will be for it to work."

As a child admired gypsies who sell at the market blacksmith products.

And then a lot of time going to the realization of his dream.

The principle of the Master one: making - testing. As long as the tool becomes "self-propelled".

So trolley

It was skewed trolley with one wheel, and it broke. it replaced the master (he had a wheel).

Tried to load - awkward! Push hard, hands should be bent at the elbows. In practice, the drag of the load on the hands. This meant that manufactured the truck for a tall person (or have not thought about anything).

Master decided to put two more wheels.

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Drill holes in the rear pillars.
The distance between the supports had to slightly reduce, to pull them closer. And fix the strip with the help of screws.

Inserted axis, I put it the wheel. These were the rear wheels from the stroller, which would be thrown away. All axles and wheels are different, not so easy to accommodate all.
I tried to drive: the truck is pulling to the left.
With the thrust gradually unrolled front wheel to the right. Traction, it is in principle the same wheel. Only stable. In other words, did threaded rod. He bent as in the picture. And gradually I pulled nut. The wheel thus rotates in the right direction. Until then, tighten the nut until the trolley did not go smoothly.