Zero Chassis

Zero Chassis

The Zero Chasssis (Japanese: ゼロシャーシ, Zero Shāshi) is a Mini 4WD chassis released by Tamiya in September 1990 with the release of Dash-0 Horizon.

General info

The chassis has lower center of gravity due to its lower height, and it is lighter compared to other chassis at the time. The side-guard has now become optional (through tune-up parts), the gear cover was now attaches to motor case instead of the main chassis, and has the hard-point for the rear stay for further tuning.

Unfortunately, it suffers one problem: due to massive weight reduction, the chassis structure is weak and its front bumper, as a result, could break easily. Tamiya would release the FRP front bumper plates to fix this problem.

The design was later reused on Super-1 Chassis.

Color

Chassis frame

• Gray - Common color for most Zero Chassis cars. First Equipped with Dash-0 Horizon.
• Black - First Equipped with Dash-0 Horizon Special Kit.

A parts

• Light warm gray - Common color for earlier batches for most Zero Chassis cars. First equipped with Dash-0 Horizon.
• Gray - Common color for later batches for most Zero Chassis cars.
• Black - First Equipped with Dash-0 Horizon Special Kit.

Technical info

Chassis Data
Length	131 mm
Width	86 mm
Wheelbase	80 mm
Ground Clearance	5 mm (With large-diameter wheels)
Driveshaft Length	60 mm
Compatible Gear Set(s)	5:1 4.2:1 4:1 3.5:1 (Special Ratio Gearing only)
Roller Down Thrust Angle	0 (Earlier mold) 5 (Current revision)
Terminal Type	Zero-type
Weight	With batteries 109 g

Chassis Stats
Toughness	2
Acceleration	2.8
Cornering	3
Stability	2
Adaptability	3
Ease of Maintenance	3

Gallery

Chassis construction view (Manta Ray Jr.)

Trivia

• It is the first chassis to be equipped with the 1.4 mm propeller shaft.
  • It is also the first chassis to have the newly designed, pink-colored helical crown gears.

• Oddly, the Dash-0 Horizon bodyshell was originally designed for Type-3 Chassis, but for some reason Tamiya switched to Zero Chassis. This results in some inconsistant gap between the body and chassis.
• Earlier Zero Chassis car batches has the A parts molded in different color (light warm gray) than the main chassis frame. This practice was dropped in later batches.