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Roller Coasters

Wooden Side-Friction Roller Coaster Wooden Side-Friction Roller Coaster
Track is laminated wood, topped with a flat steel running rail, constructed on a wooden support structure. Trains are guided along the track by side-friction wheels running inside wooden guide rails.

Virginia Reel Virginia Reel
Track is a flat-bottomed wooden trough. The cars are guided along the track by the sides of the trough, spinning as they touch the sides.

Wooden Reverser Roller Coaster Wooden Reverser Roller Coaster
Track is laminated wood, topped with a flat steel running rail, constructed on a wooden support structure. Cars run on bogies guided along the track by side-friction running wheels. Special sections of track are used to turn the car around, allowing it to run backwards.

Wooden Roller Coaster Wooden Roller Coaster
Track is laminated wood, topped with a flat steel running rail, constructed on a wooden support structure. Trains are held on the track by up-stop wheels, which run under the inside edge of the rails.

Wooden Twister Roller Coaster Wooden Twister Roller Coaster
Track is laminated wood, topped with a flat steel running rail, constructed on a wooden support structure. Trains are held on the track by up-stop wheels, which run under the inside edge of the rails.

Wooden Crazy Rodent Roller Coaster Wooden Crazy Rodent Roller Coaster
Track is laminated wood, topped with a flat steel running rail, constructed on a wooden support structure. Cars are held on the track by mushroom shaped pegs running between the steel guide rails in the center of the track, allowing the cars to tilt over on corners.

Steel Wild Mouse Roller Coaster Steel Wild Mouse Roller Coaster
Track consists of tubular steel rails. Supports are large tubular steel posts. Cars are held on the track by wheels above, below and outside the running rails.

Inverted Wild Mouse Coaster Inverted Wild Mouse Coaster
Track consists of tubular steel rails. Supports are large tubular steel posts. Cars hang under the track, held on by wheels above, below and outside the running rails.

Steel Mini Roller Coaster Steel Mini Roller Coaster
Track has steel running rails with cross-bracing. Supports are thin square-section posts. Trains are held on the track by wheels above, below and outside the running rails.

Mine Train Roller Coaster Mine Train Roller Coaster
Track consists of tubular steel running rails, fastened to a wooden support structure. Trains are held on the track by wheels above, below and inside the running rails.

Steel Roller Coaster Steel Roller Coaster
Track has a tubular steel spine, connected to the inside edges of tubular steel running rails. Supports are large tubular steel posts. Trains are held on the track by wheels above, below and outside the running rails.

Stand-Up Steel Roller Coaster Stand-Up Steel Roller Coaster
Track has a tubular steel spine, connected to the inside edges of tubular steel running rails. Supports are large tubular steel posts. Trains are held on the track by wheels above, below and outside the running rails.

Steel Corkscrew Roller Coaster Steel Corkscrew Roller Coaster
Track has a tubular steel spine, connected to the outside edges of tubular steel running rails. Supports are large tubular steel posts. Trains are held on the track by wheels above, below and inside the running rails.

Steel Twister Roller Coaster Steel Twister Roller Coaster
Track has box-section steel spine, connected to the inside edges of tubular steel running rails. Supports are large tubular steel posts. Trains are held on the track by wheels above, below and outside the running rails.

Suspended Roller Coaster Suspended Roller Coaster
Track has a tubular steel spine, connected to the inside edges of tubular steel running rails. Supports are large tubular steel posts. Trains hang underneath the track, swinging freely from a chasis held on by wheels above, below and outside the running rails.

Inverted Roller Coaster Inverted Roller Coaster
Track has square-section steel spine, connected to the inside edges of tubular steel running rails. Supports are large square-section steel posts. Trains hang underneath the track, held in position by wheels above, below and outside the running rails.

Suspended Looping Coaster Suspended Looping Coaster
Track has tubular steel spine, connected to the outside edges of tubular steel running rails. Supports are large tubular steel posts. Trains hang underneath the track, held in position by wheels above, below and inside the running rails.

Suspended Single-Rail Roller Coaster Suspended Single-Rail Roller Coaster
Track is a single tubular steel rail, supported by tubular steel posts. Cars hang from the rail, swinging freely from side to side.

Single-Rail Roller Coaster Single-Rail Roller Coaster
Track consists of two tubular steel rails, one above the other, connected by bracing. Supports are thin tubular steel posts. Cars are held on the track by wheels above, below and either side of the rails.

Bobsled Roller Coaster Bobsled Roller Coaster
Track is semi-circular channel, supported by tubular steel posts. Cars run on small wheels, and are free to take their own course along the track, guided only by the curvature and gradient of the channel.

Heartline Twister Roller Coaster Heartline Twister Roller Coaster
Track consists of tubular steel running rails, running through circular steel hoops. Cars run centrally between the rails, allowing heartline twists.

Flying Roller Coaster Flying Roller Coaster
Track has tubular steel spine, connected to the outside edges of tubular steel running rails. Supports are large tubular steel posts. Trains are held on the track by wheels above, below and inside the running rails.

Reverse Whoa Belly Roller Coaster Reverse Whoa Belly Roller Coaster
Cars run on steel girder tracks. The car is accelerated out of the station, along level track using Linear Induction Motors. It then coasts up to the vertical section of track, and free-falls backwards down the track to return to the station.

Vertical Roller Coaster Vertical Roller Coaster
Track has square-section steel spine, connected to the inside edges of tubular steel running rails. Supports are large square-section steel posts. Trains are held on the track by wheels above, below and outside the running rails.

Air Powered Vertical Coaster Air Powered Vertical Coaster
Track consists of steel girders. Trains run on rubber tires to give a smooth ride, with up-stop wheels below.


Construction Tips

The most important considerations are:

In general, follow these guidelines:

  1. Stay under 45 MPH going into vertical loops.
  2. Stay under 31 mph going into an Inversion Element, and do not have more than 11 Inversion Elements.
  3. Don't put in drops unless they "mean" something. The more drops you have, the higher the Intensity seems to be -- even if some of your drops are 1-2 units. Don't waste 'em.
  4. When making drops/rises don't go from flat to steep immediately.
  5. Always bank corners.
  6. When coasters reach the crests of hills, they should be "under control".
  7. Put inclined curves only at the top of crests. Similarly, only put decline curves only at the beginning of drops. Otherwise lateral g's get out of control.
  8. Put a single "anti-rollback" lift chain on the crests of your larger hills, especially if the hill climbs to a plateau.

The articles on http://www.w3.org/DesignIssues/LinkMyths.html"Crash Studies" and http://www.w3.org/DesignIssues/LinkMyths.html"Crash Studies - Loopy Landscapes Add-on" provide further useful information.