"A borescope is an optical instrument designed to assist visual inspection of narrow, difficult-to-reach cavities, consisting of a rigid or flexible tube with an eyepiece or display on one end, an objective lens or camera on the other, linked together by an optical or electrical system in between."

–Wikipedia

Believe it or not, the flight time of a rocket engine is short-lived. Rocket engines are masterfully engineered and take several years to develop, including rigorous inspection processes. Upon completion, and after millions of dollars later, these engines will only be used for a few hours.

So where does borescoping come into play? During construction, a borescope is used to inspect the rocket engine without having to completely disassemble it—saving manufacturers vast amounts of time and money. Equally important, the use of a borescope ensures that the rocket engine has been built to the exact specifications required for safety, accuracy, and maximum performance.

Let's not forget about using the borescope before and after launch for troubleshooting. If you're fascinated by rockets and rocket engines like us, you might enjoy SpaceX's development of the reusable rocket and rocket engine.

The Borescope that PAC Uses. Product video 🎥 showing Olympus' borescope in action.

Endoscope vs. Borescope. A simple breakdown between these tools, plus the pros and cons of each.

How to Combat Stainless Steel Surface Imperfections. Discover the "various types of surface defects that contribute to an imperfect stainless steel appearance, and how to correct and prevent imperfections" from this SilcoTek® blog post.

3 Types or Rocket Engines. SPI Borescopes shares the rocket engines 🚀 that require the most inspection and why.

What Do Porsches 🏎 and Pests 🪳 Have In Common?

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