Quote:
Originally Posted by Sailor of Fortune
That tool is called an Ullage tape. Used to sound tanks of various sizes and shapes. Typically boats and ships will have Ullage tables for each tank, that shows what each inch of fuel is.
If you sprinkle "commet" on it, the wet area shows up much better. You need to have a general idea of fuel level. Some of these tanks are 20' plus deep.
Water paste can be added to the plumb bob for detection.
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Sorry for the ignorance, where do you get 'commet'? Kept getting 'comment' and 'comet' in searches.....