Economic type:

Get a Zhanlong narrow bottom, or a competition chassis (17101), ball bearings (10-20 yuan, it’s up to you), and install Excalibur armor ( About 20 yuan), use glue to reinforce (502), there are screws inside, the screws are enough for ordinary cars, 8 original Zhanlong guide wheels, install them according to instructions, use original wheel shells, axles and drive shafts , the rear wheel skin is original, the front wheel is made of sponge tires, the conductive sheet is double-layered (take off the hook on the inner layer, and it can be installed), the gear ratio is 2.0:1-2.3:1, and the battery does not matter You should use TH1600 no matter what, because the battery capacity almost doesn’t matter. It will finish running in a dozen seconds. The key is the discharge rate. It is 30A. Generally, the battery is only 10A. It is incomparable. No matter how slow the car is, it will be faster!!! !!

Extreme type:

Carbon fiber chassis, front and rear wings and gear side fillers (available for sale), grinding and fixing, ball bearings, leveling, inserting manganese steel shafts, and It is better to slide easily. Use motor spacers to adjust the distance between the crown teeth and the transmission shaft teeth. 0.5-1mm is better. Use glue to fix the gear and shaft to prevent sliding from affecting efficiency. The abs wheel frame is glued with crazy pig tires, rounded and then installed with reinforcements. The upper guide wheel has 20mm plastic, the lower guide wheel has 19mm aluminum guide, and 12.7 grade screws.

Reference data:

（ The direction of the motor is called rear)

The total width of the rear wing is 114.90 at the top and 113.70 at the bottom

The total width of the front wing is 115.10 at the top and 113.40 at the bottom

The top is the plastic guide wheel and the bottom It is an aluminum guide wheel

The tire width is 7MM and the diameter is 22.55MM

Place the car on the platform

The rear wing guide wheel is 6.5MM below and above the platform. 20MM

The front wing guide wheel is 6.0MM below and 21MM above the platform

The guide wheel is assembled at 0 degrees with no inclination angle

There are two types of gears, 33.34mm

The motor uses a 0.5mm 3-wire rotor, a double ball bearing motor shell, and an oxygen-free copper brush

TH1600 battery

The above are all sold online