![Riders loop upside down on the Blue Fire mega coaster at Europa-Park in Rust, Germany Stock Photo - Alamy Riders loop upside down on the Blue Fire mega coaster at Europa-Park in Rust, Germany Stock Photo - Alamy](https://c8.alamy.com/comp/2P34470/riders-on-knoebels-new-impulse-coaster-do-the-heartline-roll-which-runs-through-the-center-the-large-loop-of-the-coaster-sunday-april-26-2015-in-elysburg-pa-impulse-give-park-goers-the-thrill-of-going-upside-down-on-a-coaster-for-the-first-time-since-whirlwind-was-removed-from-the-park-in-2004-jimmy-maypress-enterprise-via-ap-2P34470.jpg)
Riders loop upside down on the Blue Fire mega coaster at Europa-Park in Rust, Germany Stock Photo - Alamy
![Spinning through a heartline roll on the bizarre Ultra Twister at Nagashima Spa Land in Mie Prefecture, Japan | Roller coaster, Roller, Coasters Spinning through a heartline roll on the bizarre Ultra Twister at Nagashima Spa Land in Mie Prefecture, Japan | Roller coaster, Roller, Coasters](https://i.pinimg.com/originals/14/ff/38/14ff380eb9978944b4a9bd8fb6d822b2.jpg)
Spinning through a heartline roll on the bizarre Ultra Twister at Nagashima Spa Land in Mie Prefecture, Japan | Roller coaster, Roller, Coasters
![Beautiful picture of Quad Heartline on 10 Inversion Roller Coaster at Chimelong Paradise (TAKEN FROM RCDB) : r/rollercoasters Beautiful picture of Quad Heartline on 10 Inversion Roller Coaster at Chimelong Paradise (TAKEN FROM RCDB) : r/rollercoasters](https://i.redd.it/owc9by26fzp31.png)
Beautiful picture of Quad Heartline on 10 Inversion Roller Coaster at Chimelong Paradise (TAKEN FROM RCDB) : r/rollercoasters
![What's the Difference? Heartline Rolls, Inline Twists, Zero G Rolls | Things That Make You Go Hmmm - YouTube What's the Difference? Heartline Rolls, Inline Twists, Zero G Rolls | Things That Make You Go Hmmm - YouTube](https://i.ytimg.com/vi/B_zKxDCHxHw/maxresdefault.jpg)
What's the Difference? Heartline Rolls, Inline Twists, Zero G Rolls | Things That Make You Go Hmmm - YouTube
![Photo TR: 22 Days in China with TPR - Page 29 - Theme Park Review | Roller coaster, Coasters, Roller Photo TR: 22 Days in China with TPR - Page 29 - Theme Park Review | Roller coaster, Coasters, Roller](https://i.pinimg.com/originals/f1/80/4b/f1804b202d9bb9f73b42f5ef767da537.jpg)
Photo TR: 22 Days in China with TPR - Page 29 - Theme Park Review | Roller coaster, Coasters, Roller
![Colorado Is Opening the Highest Looping Roller Coaster in the U.S. — With the Steepest Freefall Drop in the West Colorado Is Opening the Highest Looping Roller Coaster in the U.S. — With the Steepest Freefall Drop in the West](https://www.travelandleisure.com/thmb/S8HWbktT_1nkfOjwK-_fZAtrYTg=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc()/sketch-defiance-coaster-glenwood-caverns-adventure-park-FREEFALL0622-5398a505a5ea4504a8b4794c423a94ed.jpg)
Colorado Is Opening the Highest Looping Roller Coaster in the U.S. — With the Steepest Freefall Drop in the West
![bioreconstruct on Twitter: "Heartline roll element along the shore of the unannounced Jurassic Park roller coaster. https://t.co/lOxXN3s1Br" / Twitter bioreconstruct on Twitter: "Heartline roll element along the shore of the unannounced Jurassic Park roller coaster. https://t.co/lOxXN3s1Br" / Twitter](https://pbs.twimg.com/media/EZyRbNlXsAEJP6e.jpg)
bioreconstruct on Twitter: "Heartline roll element along the shore of the unannounced Jurassic Park roller coaster. https://t.co/lOxXN3s1Br" / Twitter
![Amusement Insider on Twitter: "The shape of the Velocicoaster heartline is interesting. And spinning with the vehicle shows riders being thrown into negative G's. 🙌🙌 #Velocicoaster @UniversalORL #Universal #Orlando #Florida #Roller #Coaster # Amusement Insider on Twitter: "The shape of the Velocicoaster heartline is interesting. And spinning with the vehicle shows riders being thrown into negative G's. 🙌🙌 #Velocicoaster @UniversalORL #Universal #Orlando #Florida #Roller #Coaster #](https://pbs.twimg.com/ext_tw_video_thumb/1353870244679397376/pu/img/QkcYnjGdmq2jlius.jpg:large)
Amusement Insider on Twitter: "The shape of the Velocicoaster heartline is interesting. And spinning with the vehicle shows riders being thrown into negative G's. 🙌🙌 #Velocicoaster @UniversalORL #Universal #Orlando #Florida #Roller #Coaster #
![Heartline Roll in the Helix Roller Coaster at Liseberg. An introduction to force and motion. - YouTube Heartline Roll in the Helix Roller Coaster at Liseberg. An introduction to force and motion. - YouTube](https://i.ytimg.com/vi/bi5ss97cdTw/hqdefault.jpg)