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Old projects, from a long time ago. #1: Air pistol target holder

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Blog entry by Picchio posted 01-14-2022 12:20 PM 272 reads 0 times favorited 0 comments Add to Favorites Watch
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Several years ago, I had made up my mind to use an old air pistol I bought when I was a kid on a visit to San Marino.

Hence the need to have a target that was easy to carry, that could collect the shot, that was practical to use, needless to say, it also had to be cheap and easy to make.

Initially I did not find the pdf of a target to print that I liked, so I installed inkscape, learned a minimum of how to use it and designed a target that seemed “professional” to me, the minimum necessary to satisfy me.

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The air pistol target is 17×17 cm with concentric score zones, the innermost (worth ten points) having a diameter of 11.5 mm.
ISSF 10 meter air pistol
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Obviously it had to be printed on an A4 sheet and this gave me the first main constructive constraint, on which the size of the “target hold” substantially depends.

Having created the target to print, I needed something to hold it steady, but it didn’t just have to hold the sheet of paper, it also had to be able to hold a piece of cardboard or something that would give the target a certain solidity so that the paper wouldn’t tear.

Another thing I wanted was to be able to recover the shots I was firing, this, in my mind, gave the target the shape of a box.
at this point I thought, why not make a drawer?

(The drawer then for practical reasons I made it only of cardboard)

As you can see, the sheet and the cardboard are held by the pressure exerted by the two vertical pieces of wood, through two wingnuts for each.

The back wall is protected from the pellets by a cardboard and a piece of foam rubber.

As for the construction there is not much to say, in those years I followed a simple principle “better one screw more than one screw less”, in reality maybe I still follow it but I try to give myself a limit.
I chose a thin plywood panel for all the pieces that were not supposed to accommodate rib screws, so I chose a slightly wider plywood for the two side pieces only. In my opinion, this simplifies the construction and makes the whole more robust.

This is a project that I quickly realized by my standards, in fact it was even incomplete if we consider the drawer never done.
Surely it could be improved with:
  • a wooden drawer
  • a nut to fix it to a tripod (the thin bottom panel won’t make this simple)
  • a front protection against bullets (an aluminum plate?)
  • a coat of transparent or colored impregnating agent

I hope someone can find this sharing useful.

See you in lab,

Picchio

-- I suppose it is tempting, if the only tool you have is a hammer, to treat everything as if it were a nail. - A. H. Maslow



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