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Hydra the Revenge

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Hydra the Revenge
Hydra the Revenge (Dorney Park & Wildwater Kingdom) 02.JPG
Hydra's first drop
Dorney Park & Wildwater Kingdom
Coordinates 40°34′52″N 75°31′57″W / 40.5810°N 75.5325°W / 40.5810; -75.5325Coordinates: 40°34′52″N 75°31′57″W / 40.5810°N 75.5325°W / 40.5810; -75.5325
Status Operating
Opening date May 7, 2005
Cost $13,000,000 USD
Replaced Hercules
General statistics
Type Steel – Floorless Coaster
Manufacturer Bolliger & Mabillard
Designer Werner Stengel
Model Floorless Coaster
Track layout Twister
Lift/launch system Chain lift hill
Height 95 ft (29 m)
Drop 105 ft (32 m)
Length 3,198 ft (975 m)
Speed 53 mph (85 km/h)
Inversions 7
Duration 2:35
Max vertical angle 68°
Capacity 1,245 riders per hour
Height restriction 54 in (137 cm)
Trains 2 trains with 8 cars. Riders are arranged 4 across in a single row for a total of 32 riders per train.
Fast Lane available
Hydra the Revenge at RCDB
Pictures of Hydra the Revenge at RCDB

Hydra the Revenge (simply known as Hydra) is a steel Floorless Coaster at Dorney Park & Wildwater Kingdom in Allentown, Pennsylvania (USA). It is the only Floorless Coaster in Pennsylvania and was built where the former wooden roller coaster Hercules once stood, which was closed and demolished at the end of the park's 2003 season. Its name comes from the Greek Mythology story where Hercules battled the Hydra.


Hercules was a wooden roller coaster that sat in the current location of Hydra the Revenge. In 2003, the coaster was closed and demolished.[1] On September 14, 2004, the $13 million Hydra the Revenge was announced.[2][3] Construction began in the spring of 2004 and continued through the winter.[4] Hydra the Revenge was topped off (highest piece of the lift hill) on August 20, 2004 and the entire track layout was completed on December 4, 2004.[4] The first cars for the coaster arrived at Dorney Park on December 10, 2004 and the first ride with people on a train took place on March 24, 2005.[4] The roller coaster officially opened to the public on May 7, 2005.[5][6]


The name of the roller coaster comes from the story of Hercules in Greek Mythology. According to the story, Hercules had to perform twelve labours. After defeating the Nemean lion for the first labour, the second was to defeat the Hydra, a nine-headed creature with eight serpentine heads that would regrow each time they were cut off, including one that was immortal. Dorney Park altered the remainder of the story- after Hercules managed to defeat the Hydra initially, he buried the immortal head stuck under a stone, with the intention of sealing it for all time. Years later however, the head slowly grew back, resurrecting the Hydra and taking its revenge on Hercules by killing him; hence why the Hydra roller coaster sits where Hercules once did.[5][6][7]


Hydra the Revenge's heartline roll

Once the floor drops and the front gate opens, the train is dispatched leading straight into the first inversion; a heartline roll, nicknamed the "Jojo Roll". Upon exiting the roll, the train makes a 180 degree right turn and begins to climb the 95-foot (29 m) lift hill. Once at the top, the train drops down 105 feet (32 m) at a 68 degree angle. Then, the train makes a slight right turn into a 62-foot (19 m) inclined diving loop before going through a zero-gravity roll. Next, immediately after the roll, the train enters the first of two corkscrews. After exiting the corkscrew, the train then goes through a cobra roll. After an upward left turn, followed by a downard right turn, the train goes over an airtime hill before entering the second corkscrew. The train then makes a banked right turn, then a banked 90-degree left turn which leads into the brake run. Once back at the station, after the floors come back up and the front gate closes, the riders unload and the next ones load.[3][5][8]

One cycle of the ride lasts about 2 minutes and 35 seconds.[5]



Hydra the Revenge operates with two steel and fiberglass trains. Each train has eight cars that can seat four riders in a single row for a total of 32 riders per train.[5] Each train has two shades of green and pink on the bottom section while the seats and over-the-shoulder restraints are also pink. Each seat has an over-the-shoulder harness with an interlocking seatbelt. The trains have no floor as the riders' legs can dangle throughout the ride.


The steel track of Hydra the Revenge is approximately 3,198 feet (975 m) long, the height of the lift is approximately 95 feet (29 m) high, and the entire track weighs about 1,368,000 pounds (621,000 kg).[3][5] It was manufactured by Clermont Steel Fabricators located in Batavia, Ohio.[9] The track has two shades of green while the supports are turquoise.


Jeremy Thompson from Roller Coaster Philosophy said that "the ride itself is okay, but I’m not sure if I really loved the whole experience.", but that "still, it’s got a more interesting layout."[10] A group of roller coaster enthusiasts also came to the conclusion that the ride wasn't the best but still good, "The general consensus is that it's a good, but not quite great, ride that's perfect for family-oriented Dorney."[11]


Mitch Hawker's Best Roller Coaster Poll: Best steel-Tracked Roller Coaster[12]
Year 2005 2006 2007 2008 2009 2010 2011 2012 2013
Ranking 87 113 121 118 130 125 No poll 164 172


  1. ^ Marden, Duane. "Hercules  (Dorney Park)". Roller Coaster DataBase. Retrieved January 4, 2013. 
  2. ^ Marden, Duane. "Hydra the Revenge Press Release  (Dorney Park)". Roller Coaster DataBase. Retrieved January 4, 2013. 
  3. ^ a b c "Hydra The Revenge arrives at Dorney Park". Gettysburg Times. May 11, 2005. Retrieved January 6, 2013. 
  4. ^ a b c "Hydra the Revenge Photo Desk". Dorney Park/Cedar Fair. Archived from the original on November 24, 2014. Retrieved January 4, 2013. 
  5. ^ a b c d e f Marden, Duane. "Hydra the Revenge  (Dorney Park)". Roller Coaster DataBase. Retrieved January 4, 2013. 
  6. ^ a b "Hydra". Dorney Park. Retrieved January 5, 2013. 
  7. ^ "Hydra The Myth Becomes Reality at Dorney Park". Dorney Park/Cedar Fair. Archived from the original on November 24, 2014. Retrieved January 5, 2013. 
  8. ^ "Hydra the Revenge Front Seat on-ride HD POV Dorney Park". wwwCOASTERFORCEcom. September 10, 2010. Retrieved January 4, 2013. 
  9. ^ Guido, Anna (November 7, 2005). "Steel plant's business on fast track". Cincinnati Enquirer. Archived from the original on January 7, 2006. Retrieved August 14, 2013. 
  10. ^ "Dorney Park". Roller Coaster Philosophy. Retrieved February 22, 2013. 
  11. ^ "MYTHICAL PROPORTIONS ** Enthusiasts meet Dorney's new Hydra head- on. The ride is the only floorless coaster in the state.". The Morning Call. June 26, 2005. p. AA.1. Retrieved February 22, 2013. 
  12. ^ Hawker, Mitch. "Steel Roller Coaster Poll 13 Year Results Table (1999–2013)". Best Roller Coaster Poll. Retrieved February 16, 2015. 

External links[edit]