[quote=MtnBoomer]Update (8:30 p.m. PST): Officials are moving construction equipment into position in preparation for a daring operation to plug the hole in the emergency spillway by using rocks, which are to be dropped from helicopters.
Rocks from a chopper ????? Wtf ...a little math would tell that ain't going to work !!!! Good lord.....
Big heavy skycranes are used a lot, in setting Gabien baskets at difficult to access locales.REAL common further south in the mudslide after wildfire belt.
Given the counter rotor resonance they are KNOWN to set up in semi elastic formations below, I'm surprised they're considering their use as an option.
....when all you've got is a hammer,....
GTC
Member, Clan of the Border Rats -- “Sometimes I wonder whether the world is being run by smart people who are putting us on or by imbeciles who really mean it.”- Mark Twain
