The plummet of the knife + "diamond eyes." As I put the beam in one plane, and what happened?

What kind of special tools can we talk about when even the usual plumb out of stock? A work-then you need to ...

When dealing with the construction of the first time, all the details are not provided. This also applies to the instrument.

We professionals, all operations are worked out more than once, respectively, all devices also are available.

And I, as an ordinary samostroyschik, get out of the situations in the course of their appearance.

And sometimes you have to invent something.

I already wrote about the fact that began to make truss system, and set stands for ridge pole.

It's time to put himself ridge beam.

resistant device allowed to do this simply by placing the bar into the slots on top.

❗ Of course this, too, had to tinker, since the beam was not one piece, and consists of boards 150 to 50, which had to connect to weight.

Still, the main task was different:

Namely - to make the desired radius of the ridge runs from the gables. Ie its edge should be in the same plane with the ends mauerlat that I have taken out of the wall.

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How do I do that?

First I pulled the cord between mauerlat. For convenience, did not do it on their edges, and transferred all the area of the wall, ie, He retreated from the edge of 80 cm.
And from this plane it had to postpone the perpendicular up to determine the position of the ridge beam.

✅ most reliable option to do so, with a plumb. Which, as you know and I did not.

So I began to think that the hung.

At first, I hung an ordinary nut. But she hung on the slightest breeze.
Then my eye caught the knife. Not easy, but with holes in the handle, which is ideal to something privyazat.😁

So I tied. But even a heavy knife from the wind rocked (weather of course was not suitable). So we had to take the time to catch a "moment of silence". But the main thing - it is the result itself.

Of course the super accurate, this method can not be called: As he tied a knife, the wind, all affect the result. But it is for my problems... I think a maximum error of 10 mm.

And the main thing in the eyes, all in the same plane 😎.