Race car track for allowing non-powered driving using gravity

Abstract

Disclosed is a race car track for allowing non-powered driving by using gravity, the track comprising: a first lane including a first curved track; and a second lane including a second curved track located adjacently to the first curved track, wherein the first curved track has a first super elevation such that the first lane has a predetermined first difficulty level, and the second curved track has a second super elevation such that the second lane has a predetermined second difficulty level.

What is claimed is: 
     
         1 . A customized track that is programmed while reflecting characteristics of a specified race car for allowing non-powered driving using gravity, wherein
 a starting point of the track is located at a site that is higher than an ending point of the track,   wherein the specified race car comprises a preset weight, a height of the center of weight, distribution of the weight to the front, rear, left, and right sides, a wheel alignment, and a caster,   wherein the specified race car further comprises wheels having a preset rolling resistance with a road surface of the track, and   wherein the length, the slope, the radius of rotation, and the super elevation of the track are designed such that the specified race car has at least one of a predetermined longitudinal acceleration and a predetermined transverse acceleration so that a programmed difficulty level may be felt while a driver drives the specified car on the track.   
     
     
         2 . The track of  claim 1 , wherein the track includes:
 a first lane including a first curved lane; and   a second lane including a second curved lane having the same center as the first curved lane,   wherein the first curved lane has a first super elevation that allows the first lane to have a first difficulty level,   wherein the second curved lane has a second super elevation that allows the second lane to have a second difficulty level,   wherein a slope that allows non-powered driving of the race car using gravity from the starting point to the ending point of the track is provided at at least a portion of the track,   wherein the first difficulty level and the second difficulty level are determined by at least one of a longitudinal acceleration and a transverse acceleration that is applied to the race car that performs the non-powered driving when the race car travels on the first curved lane and the second curved lane by using the slopes of the first curved lane and the second curved lane, and   wherein a super elevation i of the first curved lane or the second curved lane is determined by the following equation when a speed at which the race car that performs the non-powered driving enters the first curved lane or the second curved lane is v, the radius of rotation of the first curved lane or the second curved lane is r, and the transverse acceleration applied to the race car that performs the non-powered driving on the first curved lane or the second curved lane is a,   
       
         
           
             
               i 
               = 
               
                 
                   
                     v 
                     2 
                   
                   
                     127 
                      
                     r 
                   
                 
                 - 
                 
                   a 
                   . 
                 
               
             
           
         
       
     
     
         3 . The track of  claim 2 , wherein the first super elevation and the second super elevation are differently set such that magnitudes of a transverse acceleration applied to the race car that performs the non-powered driving when the race car travels by using the slope of the first curved lane and a transverse acceleration applied to the race car that performs the non-powered driving when the race car travels by using the slope of the second curved lane are the same so that the first difficulty level and the second difficulty level are set to be the same. 
     
     
         4 . The track of  claim 2 , wherein the first super elevation and the second super elevation are set to be the same such that magnitudes of a transverse acceleration applied to the race car that performs the non-powered driving when the race car travels by using the slope of the first curved lane and a transverse acceleration applied to the race car that performs the non-powered driving when the race car travels by using the slope of the second curved lane are different so that the first difficulty level and the second difficulty level are set to be different. 
     
     
         5 . The track of  claim 2 , wherein the first super elevation is set such that a centrifugal force applied to the race car that performs the non-powered driving when the race car travels on a slope of the first curved lane is not more than a frictional force between wheels of the race car performing the non-powered driving and a road surface of the first lane, and
 wherein the second super elevation is set such that a centrifugal force applied to the race car that performs the non-powered driving when the race car travels on a slope of the second curved lane is not more than a frictional force between the wheels of the race car performing the non-powered driving and a road surface of the second lane.   
     
     
         6 . The track of  claim 2 , wherein the radius of rotation of the first curved lane and the radius of rotation of the second curved lane are equal to or greater than a minimum radius of rotation of the race car that performs the non-powered driving. 
     
     
         7 . The track of  claim 2 , wherein the first lane and the second lane include a straight lane having first slopes, and
 wherein the first slopes are set such that the longitudinal acceleration of the race car that performs the non-powered driving does not exceed a preset threshold longitudinal acceleration.   
     
     
         8 . The track of  claim 2 , wherein the first lane and the second lane further include road surface support parts that support road surfaces of the first lane and the second lane, and
 wherein the road surface support parts are set to be rotated laterally or vertically and are configured to adjust the slopes and super elevations of the first lane and the second lane.   
     
     
         9 . The track of  claim 2 , further comprising:
 deceleration zones provided at ending points of the first lane and the second lane,   wherein the deceleration zone includes a flatland or an uphill road, and   wherein the lengths of the deceleration zones are set such that the race car that performs the non-powered driving is stopped before reaching ends of the deceleration zones.   
     
     
         10 . The track of  claim 2 , wherein the difficulty level of the track is determined based on at least one of the slope and length of the straight lane included in the track, the super elevation, length, and radius of rotation of the curved lane included in the track, the widths of the lanes of the track, the spacing distance between the lanes, the number of curved lanes, and the distance between the curved lanes included in the track.