More about Woodtek 116765, Layout And Measuring, Calipers, 6″ Stainless Steel Vernier Caliper

Woodtek 116765, Layout And Measuring, Calipers, 6″ Stainless Steel Vernier Caliper

Woodtek 116765, Layout And Measuring, Calipers, 6
Cuts layout time and errors. These hardened stainless steel vernier calipers are precision instruments that can measure internal, external, step and depth dimensions: This caliper has metric scale on bottom, inch scale on top: 0-6″ (0. 001″), 0-150mm (1mm). Fixed adjustment knob. Cross-reference table on back. 9″ long, 5 oz. Each caliper has a locking set screw for batch measurements and comes in a padded, rigid plastic storage case. Imported.

  • Cuts Layout Time And Errors.

List Price: $ 36.99

Price:

Question by Ezz: How do they measure Lbs of Thrust?
Especially concerning Jet Engine, what type of measuring device do they use, or is there another method.

Best answer:

Answer by Michael N
I’m guessing a little bit here… but they probably use load cells. You can look up how load cells work but the basic idea is that they use strain guages that change (resistence I believe) in response to strain in a piece of metal. That’s what we use in measuring the thrust in rocket engine testing.

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Comments

    • John B
    • September 6, 2013

    Its not measured but calculated. You never really know the thrust it produces from the cocpit. What is measured is engine pressure ratio, EPR. This is the ratio of the ram presssure entering the intake vs. the exhaust pressure leaving the tailpipe. The higher the EPR reading the greater the thrust.

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