On Sun, 31 May 2015 09:40:49 -0700, "taxed and spent"
wrote:

Anybody tried to throw one down into the crawlspace
and use it to check for plumbing leaks, bugs, etc?

https://www.youtube.com/watch?v=SK8gLEZ-_70


I like it. An RC was used by the US Park Service to inspect old
tunnels, chases and catacombs under USP Alcatraz. Mapping and figuring
old construction.