Gunwerks Engineering | Deflection Testing the ClymR

Published on May 13, 2021
Duration: 2:01

Gunwerks Engineer Josh Moore details their deflection testing process for carbon fiber rifle stocks, specifically the ClymR model. The test simulates bipod loading by hanging a 50lb weight from the fore-end to measure flex. This ensures optimal shot stability by minimizing stock deflection, with their new ClymR material showing a 30% stiffness increase over competitors.

Quick Summary

Gunwerks performs deflection testing on their carbon fiber rifle stocks, like the ClymR, to measure stiffness and ensure shot stability. By simulating bipod loading with a 50lb weight and using a dial indicator, they quantify flex. Their new ClymR material demonstrated a 30% increase in stiffness, with only 20 thousandths of an inch deflection.

Chapters

  1. 00:14Introduction to Deflection Testing
  2. 00:26Purpose of Deflection Test
  3. 00:55Expected Deflection Results
  4. 01:07Dial Indicator Setup & Measurement
  5. 01:40New Material Test Results

Frequently Asked Questions

What is deflection testing for rifle stocks?

Deflection testing measures how much a rifle stock, specifically the fore-end, flexes under load. This is done by hanging a weight from the stock to simulate bipod loading, helping to understand its impact on shot stability and overall rifle performance.

How does Gunwerks test rifle stock stiffness?

Gunwerks uses a test jig where a known weight (50lbs in this case) is hung from the fore-end of the rifle stock. A dial indicator is zeroed and used to precisely measure the amount of flex or deflection that occurs in the stock.

What were the results of the new ClymR stock material test?

The new material tested for the Gunwerks ClymR stock showed a significant improvement in stiffness, resulting in approximately a 30% increase in stiffness over their nearest competitor. The measured flex was 20 thousandths of an inch.

Why is minimizing stock deflection important for rifle performance?

Minimizing stock deflection is crucial for shot stability. A stiffer stock that deflects less under load will provide a more consistent platform for the rifle, leading to more predictable shot placement and improved accuracy.

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