Author Topic: What are the grid lines?  (Read 14315 times)

Offline deadman1204

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What are the grid lines?
« on: 05/13/2021 01:55 pm »
In the amazing image below (Credit to JohnKphotos https://www.reddit.com/user/johnkphotos)
there are distinct white grid lines on the booster. Does anyone know why they occur?


Offline ugordan

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Re: What are the grid lines?
« Reply #1 on: 05/13/2021 01:58 pm »
Sections where the soot was cleaned so the welds could be inspected.

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