The making of Chalk Dispenser V 3.0

Our favorite chalk dispenser designers and builders have shipped version 3.0 to our bunker in North Central Idaho. It hasn’t arrived yet but they created a video of its construction:

Assuming the weather cooperates I should be able to test it sometime late this week.


9 thoughts on “The making of Chalk Dispenser V 3.0

  1. I think I may just have to leave the wife at home and come out. (The working at nights is taking it’s toll).

    Since the beginning I felt if he used a cylinder it would have a much higher chance of survival. The only serious point of failure I currently see is the bottom where the cylinder is capped.

    I must say though, looking at the evolution of the target they’ve listened to input and analyzed the previous failures. The newest version I actually think has a serious chance after the minor issues in the previous one.


  2. look at the photo of the tube in the milling machine . . there is a 3/4″ plate plug welded into the bottom before we welded the bottom on…

  3. look at the photo of the tube in the milling machine . . there is a 3/4″ plate plug welded into the bottom before we welded the bottom on…

  4. This one looks like a winner! 🙂 BTW, thanks for the construction video. As an aspiring machinist, I love to see how things are made too!

  5. Seems like a waste of resources, time, and talent to me – just to put a colored tinge on a boomer blast? I do appreciate the engineering going into them, however.

  6. Defens –
    The point is to shield the boomer from everything but a 1.5 inch hole on the front. Then when it detonates throw a colored blast into the air as confirmation of the hit. Shooting smaller boomers gives a smaller bang, this is going to be challenging enough it should stand out when you hit it.

    There are some questions if the whole solution is currently more complicated than it needs to be. But it IS more complicated than just placing chalk in the boomer. Joe does have video of that test, doing that just provides the color to the blast, it doesn’t limit the contact area. Making an extremely small target would be extra work for Joe and the rest of the manufacturing staff. Joe is planning on testing a modified earlier version to see if what he and Ry initially thought would work. However that will not recreate the lift of the chalk this device actually creates.

    The goal was to be able to drop in one of the same 3 inch targets used normally, and place a bag of chalk on top. Thus limiting the amount of extra effort required by staff for loading this limited visibility target for 700 yards. Personally I really like it, being able to just drop a target in place, no rubber bands, no baggies, no string, no clothesline, other than lugging the sum bitch up the damn hill, loading it should be a breeze (if all goes as planned).


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