Whirlybird Wonder

“Ginny”

If you haven’t been following the dog-and-pony pony-and-dog show taking place on Mars the last couple of months, you might want to break out the telescope. Not that you’ll be able to see a car-sized rover or a toy-sized helicopter from millions of miles away. But you can see Mars itself, and then you can imagine “Percy” and “Ginny” sniffing around the red dirt and rocks up there. They’re just sampling things to see if Mars can roll out the welcome mat to humans someday.

The rover “Perseverance” is the pony in this show; “Ingenuity” the dog. I want to talk about the dog. Last July Percy hitched a nine-month ride to Mars, launching from Florida’s Cape Canaveral aboard a massive Atlas V rocket. Little Ginny hitched a ride on Percy; she the steadfast little soldier clinging to the rover’s underbelly. Considering Ginny measures only a few feet in all dimensions, it must’ve been a hang-on-for-dear-life E-ticket kind of adventure.

I’d love to make this a children’s story, but Ginny is anything but soft and cuddly. Have a look. She’s about as cute as a wasp. Consider Martian atmosphere is only 1/100th as dense as that of Earth, which means Ginny has virtually nothing to grab onto to sustain flight. But she whirls at five times the rate of a regular helicopter (2,400 rpm!), and then she rises.  Product safety warning: don’t go anywhere near Ginny’s rotor blades.

Ten days ago Ginny lifted off Mars to a skyscraping height of ten feet.  Then she hovered briefly before rotating about ninety degrees, kind of just observing the Mars-scape.  Finally, she landed.  The whole exercise lasted less than forty seconds.  Big deal, right?  Well, that little maneuver qualified Ginny as “the first powered controlled flight by an aircraft on a planet besides Earth”. Way to go, little wasp.  You just reserved a spot in the Smithsonian after you return home.

Will Ginny end up here?

When I picture Ginny clinging to the rover Percy, then hurtling through outer space for months on end, my middle-aged mind recalled the old Thunderbirds television show.  Thunderbirds featured the Tracy family (marionettes!) and their fleet of wicked-cool space vehicles.  The five Thunderbirds included a giant green supersonic carrier (“Thunderbird Two”), whose massive belly carried a yellow utility submersible (“Thunderbird Four”).  Kind of like Percy carried Ginny.  Trust me young(er) readers, Thunderbirds was awesome television in the 1960s… even if it was just puppets getting their strings pulled.

I’ve ridden in a helicopter exactly once in my life, on our honeymoon over the Napali Coast on the Hawaiian island of Kauai.  I turned to my bride mid-flight and probably uttered some not-so-nice words as I remembered how much I dislike heights.  The glass of champagne beforehand certainly helped.  For me, the fear has always been a toss-up between vertigo (physical) or the idea that terra firma is far, far below me (mental).  No matter the reason, heights just aren’t my cup of tea.

My acrophobia probably goes back to my first ride on a Ferris Wheel, with adolescent nightmares of slipping through the metal lap bar and taking an unplanned skydive.  Or ski lifts, where a little bit of fiddling with the lap bar latch could mean the end of everything.  Parasailing? (No).  Hang-gliding? (Never).  Hot-air balloons? (Why even ask?).  Sorry – airplanes aside, and only the bigger ones mind you – I prefer my thrills securely grounded.

For all the recent broadcast news on Percy and Ginny, I can’t seem to find the part of the story where Ginny returns to Percy, who then returns to the Atlas V rocket, who then returns to Earth.  I’m looking for the part about splashdowns and photo ops and ticker-tape parades – the happy-ending kind of stuff.  My earlier comment about a spot in the Smithsonian may have been a little premature (can you say, “Ginny replica”?).  Note to reader: if you do decide to make this a children’s story you might want to edit things a bit.  Just say our little pony and dog are now asleep on Mars, waiting for their human friends to get there someday.  It sounds much better than, “we just left them there”.

Some content sourced from Wikipedia, “the free encyclopedia”.

Cruise (out of) Control

Ever since the Ferris wheel debuted (at the 1893 World’s Colombian Exposition in Chicago), there’s been an unofficial competition to design and build a taller version.  The original topped out at 80.4 meters all those years ago, while today’s leader – the “High Roller” in Las Vegas – rotates over twice that high.

The “High Roller” in Las Vegas

To complicate the matter, there’s great debate about what defines a Ferris wheel.  The tallest wheels for example – including the High Roller and the London Eye – are labeled “observation wheels” because they’re more than just an amusement.  Newer designs eliminate the spokes and hub to give the illusion of a free-wheeling ring.  Whatever.  Thanks to my acrophobia, even a kiddy amusement park Ferris wheel is thrill-ride enough for me.

Go figure – I enjoy the highest, fastest roller coasters anywhere, but I wimp out when it comes to a standard Ferris wheel.  Why?  Because Ferris wheel gondolas are neither enclosed nor replete with safety bars.  You’re just sitting up there in the open air, 250 feet off the ground, realizing nothing is preventing you from falling (a peek into the mind of an “acrophobe” – you’re welcome).  Conversely, when the roller coaster safety bar ratchets down to the waist, almost taking your breath away, there’s a sense of being one with the coaster, like you can’t possibly fall out.  Much better.

I will never be this guy

Let’s change the channel and focus on big ships.  If you’ve ever taken a cruise, you should be able to name one or more “amusements” you didn’t expect to find in a floating hotel.  Golf driving ranges.  Skeet-shooting.  Water slides.  Again, it’s an unofficial competition.  But what about a roller-coaster, traveling up to 37 mph, with an elegant sweep out over the ocean?  Yep; coming soon to a Carnival Cruise Line ship near you.

I hereby retract my earlier statement about tolerance for roller coasters.  Riding the rails, plunging down towards the ocean and back up to the sky, two hundred feet above the keel of a moving ship – Carnival’s “Bolt” is too much for me and my acrophobia.  Almost a little too much for the coaster’s engineers, too.  They faced a pile of challenges with the design.  What would be the impact of a moving vessel on the gravitational requirements of a roller coaster?  Will the weight of seven hundred feet of track twenty stories above the water tip the ship?  How will the vessel’s structure tolerate the forces of heavy cars speeding here and there?  And what about all that noise?

Put the cart before the horse – as Carnival did – and things get easier.  First design the coaster; then design the ship.  Make the roller coaster cars self-propelled so they don’t depend on gravity.  Eliminate the chains and sprockets in favor of small booster engines to reduce the noise.  Then design a ship keel three football fields in length.  Reengineer the structural elements – from the water up – to accept the distributed forces of the coaster.  Overweight the whole thing so coaster cars can go almost vertical and still not tip the ship.  Behold Carnival’s Mardi Gras – a virtual floating amusement park – breaking the champagne bottle next winter.

I still think a roller coaster on a ship is nuts, but I seem to be out of touch with the latest amusements.  You can already partake in “Sky Pad” – also on Carnival – a bungee-jumping-trampolining-virtual-reality mash-up.  Or Royal Caribbean’s “RipCord”, a column of air for skydiving simulation.  Or Norwegian’s “Ultimate Abyss”, a four-story sort-of toilet bowl, where you’re flushed in circles and dropped down a 200-foot water slide.

If you’ve ever seen Katy Perry’s music video, “Chained to the Rhythm”, you probably laughed at the outlandish amusement park rides, like the coaster with the heart-shaped loop-the-loop, or the pseudo Ferris wheel catapulting riders out into the air.  But considering Carnival’s “Bolt”, maybe Katy’s got a keen eye on the future after all.  As for me, I’ll stay grounded in my local kiddy amusement park.

The future of amusement?

Some content sourced from the 1/8/2020 Wall Street Journal article, “They’re Putting a Roller Coaster on a Cruise Ship”, and Wikipedia, “the free encyclopedia”.