See the Playhouse!

Enjoy the videos, pay the piper.
Feel good about yourself and

"Splash Mountain"
3D with Accelerometer Data

2009.04.10.2350,3D,R,Disneyland,CritterCountry,SplashMountain,withAccelerometer.mov00033.mpg

Accelerometer Data

Riding Splash Mountain

---

On the trip featured in 3D above, I took along an accelerometer and a GPS recorder. The GPS was confused by being inside the building, but The accelerometer caught every nuance of bump and drop.


Unfortunately, when I calibrated the equipment, two hours before the ride, I incorrectly entered the current time, so it reset to 0, and the timeline on the bottom represents time elapsed since calibration, not the time of day, which would have made it easier to determine the synchronization with the camera time. Consequently I'm not quite sure which graph is of Splash Mountain. I think they both are, I seem to recall riding twice.
Red is stop/start, blue is left/right and green is gravity down where the baseline is 1G negative, so -2G represents one additional G pull to the ground and fractional G represents "air time" and there shouldn't be any zero (0) or positive G forces which represent the seat restraint returning us to earth faster than gravity. This is Disney folks, not Six Flags.

Splash Mountain, Part Two, Big Drop Detail, with Text

O.K. I think I nailed it down, everything seems to fit correctly to the data captured, so I captioned it. This graph is starting with the gentle left turn into the bottom of the lift. A minute and a half later we are pitching over the top of the lift and plummeting at -0.3G fractional gravity, which is not "Negative Gs" so much as it is an effective pull from the earth at 1/3 nominal weight. But this IS where most people experience the maximum "Butterflies in the Stomach" anatomical fear response to a rapid descent, a fear of falling. Then, of course, we return to earth gently at -1.75G down, or 3/4 more gravity than usual. The red line also indicates we decelerate rapidly at first, then gradually the "water brakes" gently "release" as we enter a right turn indicated by the blue graph line.

Then we are off again on our merry journey past Catfish Bend and into the final show room as seen from the Disneyland Railroad, singing "Zip-a-Dee-Do-Dah" aboard the Zip A Dee Lady. There's a spike to -0.4G in the red graph line when we are paused to examine our ride photo.

Clearly the most turbulent portion of the journey was the disembark and a return to our own two feet.

It is difficult to pinpoint the beginning of the ride. It was a few minutes before closing and Splash Mountain was a walk-on, with folks getting "stay in your seats if you want to re-ride." This hasn't been scientifically examined for accuracy and the captions and descriptions may be off, but the collected data is calibrated and accurately displayed in the graphs. <8=o)— Wiz.

The Wizard of Indiana Jones
— ©Copyright DisneyWizard 1995-2023 — ALL RIGHTS RESERVED.

Disneyland®s Indiana Jones™ Adventure RE-OPENING SUMMER 2023 NOW REFURBISHING 28 YEARS WORTH of ADVENTURE! ^ Link this site on yours ^ with this banner! ^ Click for quick details ^

A Hand Up! Not a Handout.
$	A Hand Up! Not a Handout.

=============
WARNING: Beware RansomWare Advertisements from Angelfire
pop-ups which falsely resemble MS-Windows Virus Alerts or bogus SpeedCleaners.
The entire image, including the clear areas beyond the borders, is a hyperlink to deceptively convincing "free help," so
Don't click ANYWHERE near them, especially the phony red close button!
Instead use ALT-F4 to kill that window or CTRL-W to close that tab! More…

This has always been a FEE-FREE no charge website, my gift to the public. However
Angelfire provides, and is solely responsible for, ALL advertisers! Even the bogus popup error/virus warnings:
=============