Designing a Custom Sliderule for Long Range Rifle Shooting

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SUMMARY

Brian Finamore seeks to design a custom slide rule for long-range rifle shooting that converts target height in mils to distance in yards. He aims for a range from 6 inches to 10 feet and distances from 100 to 1500 yards, with a specific layout of inches on the left, mils in the middle, and yardage on the right. While he acknowledges the simplicity of the math involved, he emphasizes the critical importance of scale spacing for accurate correlation. He is open to suggestions and guidance on this project.

PREREQUISITES
  • Understanding of mils and their application in long-range shooting
  • Basic knowledge of slide rule design and functionality
  • Familiarity with nomograms and their construction
  • Mathematical skills for scale correlation and spacing calculations
NEXT STEPS
  • Research the construction and use of nomograms for custom applications
  • Explore existing slide rule designs, particularly the Mildot Master, for inspiration
  • Learn about the mathematical principles behind scale spacing in slide rules
  • Investigate materials and tools for creating a physical slide rule prototype
USEFUL FOR

This discussion is beneficial for competitive long-range rifle shooters, engineers interested in custom measurement tools, and hobbyists looking to design precision instruments for specific applications.

brianf
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"new" sliderule

Hi guys, this may not be a regular question but, I am a competitive long range rifle shooter. I would like to make a slide rule type of instrument that takes the known height of my paper target in mils (1 mil is approx 3.6" at 100yards) and converts it to the distance in yards.

It is a little more complicated than I though when I first started on it, and I really do not have the time to "play around with it".

There is a comparable type of instrument called the Mildot Master (can be bought online) but has the size in mils on the left hand side and is not a perfect match for my particular needs.

I would like to go from 6" to 10', and from 100 to 1500 yards approx.

Unlike the other product I would like the inches on the left side, Mils in the middle and the yardage/ answer on the right.

The math portion is rather simple, but it becomes difficult to have them all correlate. The spacing of the different scales becomes critically important, because 1, 2, or all three may have different spacing.

If you are not interested in this project, I would really appreciate it if you would steer me in the right direction.

Thank you for your time,

Brian Finamore

brianf@geminipharm.com

Commack, NY 11725
 
Engineering news on Phys.org
I don't quite follow your calculation desire, but it sounds like you want a nomogram. I don't know where you can buy blank ones, but lots of people give out ones for other purposes that you could modify.
 

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