It seems gone after a few passes. I’m curious what it was all about. Rescue? Emergency? I am assuming it’s too dangerous to do training in the middle of downtown.
-
-
Show this thread
-
Better view from someone else:https://twitter.com/smb06/status/990228463146565632?s=21 …
1:25Show this thread -
As a few better-informed people suggested, it was an HVAC unit replacement via a really interesting specialized cargo helicopter: https://twitter.com/banffchris/status/990229809421692928?s=21 … I had no idea this kind of an operation was even an option!
Show this thread -
Oddly proud that a snippet of a video I took in my bedroom while half asleep made it into local news:http://abc7news.com/traffic/helicopter-delivers-hvac-unit-to-hotel-in-downtown-sf/3404289/ …
Show this thread -
This, by the way, is how a synchropter (intermeshing rotor helicopter) looks up close. No tail rotor required!pic.twitter.com/FN4Cy0I3tR
Show this thread -
Which now reminds me of fascinating gun synchronizers, allowing guns on planes to shoot directly through the propeller: https://en.wikipedia.org/wiki/Synchronization_gear … (“Among other attempts to get around this was the expedient of firing straight through the propeller arc and hoping for the best.” 0_O)
Show this thread
End of conversation
New conversation -
-
-
Are you playing the video in reverse to punk us. Alternatively, maybe they're parts of an HVAC system on the roof that they can't get down the elevator? ¯\_(ツ)_/¯
-
Interesting! I have never seen anything like that before.
- Show replies
New conversation -
-
-
That’s a KMAX helicopter, designed for heavy lifting, less than 40 in the world, super skinny so operator can see on both sides and has inter meshing syncrocopter blades. Worth a read. https://en.m.wikipedia.org/wiki/Kaman_K-MAX …
-
Thank you! I noticed the blades, too.
- Show replies
New conversation -
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.