Round Balls vs. Conicals

Published on November 17, 2018
Duration: 3:30

This video compares the accuracy of round balls versus conical bullets when fired from an 1847 Colt Walker. Using 40 grains of powder for both, the test at 50 feet showed conical bullets (Johnston and Dow) achieving a tighter group of approximately two inches, with some shots within an inch of each other. Round balls, while grouping within two and a half inches, were less consistent. The presenter notes that conical bullets are expected to perform better due to their shape.

Quick Summary

Comparing round balls to conical bullets in an 1847 Colt Walker at 50 feet, conical bullets (Johnston and Dow) achieved a tighter group of approximately two inches, while round balls grouped around two and a half inches. This indicates conical bullets offer superior accuracy due to their aerodynamic shape.

Chapters

  1. 00:00Introduction: Round Balls vs. Conicals
  2. 00:16Projectile and Load Details
  3. 00:44Heading to the Range
  4. 00:49Round Ball Accuracy Test (50 feet)
  5. 01:16Round Ball Group Analysis
  6. 01:22Conical Bullet Accuracy Test
  7. 01:40Conical Bullet Group Analysis
  8. 01:42Conclusion: Conical Bullet Advantage

Frequently Asked Questions

What is the accuracy difference between round balls and conical bullets in a black powder firearm?

In a test with an 1847 Colt Walker at 50 feet, conical bullets (Johnston and Dow) achieved a tighter group of approximately two inches, while round balls grouped around two and a half inches. This suggests conical bullets offer superior accuracy due to their shape.

What type of projectiles were compared in the 1847 Colt Walker accuracy test?

The test compared .454 round balls cast from pure lead against .44 caliber Johnston and Dow conical bullets, also cast from pure lead. Both were fired using a consistent 40-grain powder charge.

What factors contribute to the accuracy difference between round balls and conical bullets?

The conical shape of bullets is generally considered more aerodynamic and stable in flight compared to round balls. This difference in shape leads to tighter and more consistent shot groups, as observed in the test with the 1847 Colt Walker.

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