U niversal G ear R atio C hart in m m /rev: Tire D iam eter Pinion Spur 78 81 98 100 104 108 110 46,0 46,0 46,0 46,0 46,0 46,0 46,0 46,0 46,0 46,0 46,0 46,0 46,0 46,0 46,0 46,0 46,0 46,0 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Tire D iam eter Pinion Spur 78 81 98 100 104 108 110 46,5 46,5 46,5 46,5 46,5 46,5 46,5 46,5 46,5 46,5 46,5 46,5 46,5 46,5 46,5 46,5 46,5 46,5 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Tire D iam eter Pinion Spur 78 81 98 100 104 108 110 47,0 47,0 47,0 4
Tire D iam eter Pinion Spur 78 81 98 100 104 108 110 49,5 49,5 49,5 49,5 49,5 49,5 49,5 49,5 49,5 49,5 49,5 49,5 49,5 49,5 49,5 49,5 49,5 49,5 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Tire D iam eter Pinion Spur 78 81 98 100 104 108 110 50,0 50,0 50,0 50,0 50,0 50,0 50,0 50,0 50,0 50,0 50,0 50,0 50,0 50,0 50,0 50,0 50,0 50,0 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Tire D iam eter Pinion Spur 78 81 98 100 104 108 110 50,5 50,5 50,5 50,5 50,5 50,5 50,5 50,5 50,5 50,5 50,5 50,5
TIPS TO FINAL ASSEM BLY Fitting the centre point steering. Screw the 2 m m bolt into the centre hole on your servo saver (not supplied). The threaded bushing needs to be fitted onto the 2 m m bolt now attached to the servo saver. The flange of the bushing needs to be screw ed tightly up against the servo saver arm . Drop the loop on the end of each of the tw o track-rods, over the bushing. Once fitted screw the 2 m m nut onto the bolt and tighten it up against the end of the bushing.
up the M3 screw s to hold the m otor firm ly in place. Please note that there are tw o types of gears available for Corally cars. One is 48 dp w hich offers good efficiency and great durability, w hilst for the serious racer there are 64 dp gears w hich have a m uch sm aller tooth form and so offer greater efficiency at the expense of durability. M ounting the bodyshelland w ings. It is recom m ended that you use a lexan / polycarbonate bodyshell(not included)as they are lightw eight and strong.
Ride height adjustm ent. The ride height should be kept to a m inim um ,this w illkeep the centre of gravity of the car as low as possible and so m axim ise cornering speeds.The ride height should ideally be betw een 3 5 m m (1/8"-3/16"), but on bum py tracks or w here regulations dictate otherw ise run the car a little higher. Check regularly to com pensate for tire w ear w hich can be rapid on som e tracks. Adjusting the front ride height. Each front steering block is supported by alum inium w ashers.
Corally differentialadjustm ent and m aintenance. To test the differentialhold both rear w heels then try to turn the spur gear w ith your right thum b. If the gear turns w ithout extrem e force then tighten the diff nut in the centre of the right w heela sm allam ount.Repeat this process untilthe gear cannot be easily rotated w hen both w heels are being held. Servicing the differential.
Choosing the right tires Choose the best available highest bite tire for the rear of the car and then balance the car w ith the front tires. If the car pushes or understeers then fit front tires w ith m ore grip (softer). If the car oversteers or hooks then fit front tires w ith less grip (harder). Choosing the right tire diam eter W hen a tire is new and has a large diam eter it w illprovide m ore grip than the sam e tire w hen it has w orn dow n and has a sm alldiam eter.
