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FMChassis

FM Chassis

FM Chassis (Japanese: FMシャーシ, Efuemu Shāshi) is a Mini 4WD Chassis released by Tamiya in December 1990. It is first seen with the release of Crimson Glory and is the first chassis to have motor placed on other place other than on the rear. The 'FM' stands for both 'Front Midship' and 'Front Motor'.

General info

Being having motor place on the front, the chassis have the weight distribution of 75 front and 25 rear. This led it to have better stability in the circuits with up-down paths. It has the wheelbase of 83 mm, longer than that of Type-2 Chassis.

It use the orange crown gears and the 2 mm width propeller shaft.

However, the front bumper design can break easily as the design is based on those used on Type-2 and Type-4 chassis, so the use of reinforced plates is required. The battery terminal in the rear can bend easily due to the poorly designed rotating-type battery switch, and as a result the car could turn itself off while running.

Compards to other chassis at the time, the performance is similar to Zero Chassis, except for poor acceleration performance, worse than the other long-wheelbase shaft-driven chassis.

The design of the FM Chassis would later re-used in Super-FM Chassis.

Colors

Chassis frame

  • Brown gray - Common color for most FM Chassis cars. First equipped with Crimson Glory.
  • Red - First released as a Grade-up Parts.
  • Black - First released as a Grade-up Parts.

A parts

  • Brown gray - Common color for most FM Chassis cars. First equipped with Crimson Glory.
  • Red - First released as a Grade-up Parts.
  • Black - First released as a Grade-up Parts.

Technical info

Chassis Data
Length 132 mm
Width 86 mm
Wheelbase 83 mm
Ground Clearance 7 mm (With large-diameter wheels)
Driveshaft Length 60 mm
Compatible Gear Set(s) 5:1
4.2:1
4:1
Roller Down Thrust Angle 0 (Earlier mold)
5 (Current revision)
Terminal Type B-type
Weight With batteries
113 g
Chassis Stats
Toughness 3 FMChassisStats
Acceleration 3
Cornering 3.9
Stability 2.9
Adaptability 3
Ease of Maintenance 3

Gallery

Trivia

  • Despite being the predecessor to the Super-FM Chassis, the bodyshells made exclusively for it are not compatible with the original FM Chassis.
Chassis
Original series Origin · Comical · Wild · Cruiser · RV
Type series
(Racing/Truckin')
Type-1 · Type-2 · Type-3 · Type-4 · Zero · FM · Truckin' · Type-5
Super series
(Super/Mighty, Fully Cowled/Aero)
Super-1 · Super-FM · Super TZ · Super X · VS · Super TZ-X · Super XX · Super-II
Mini-F series Mini-F
R/C Mini 4WD TR-1
PRO/REV/Laser MS · AR · MA · FM-A · VZ
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