FM-A vs AR Chassis: Choosing Between Front and Rear Motor Layouts
Choose a layout and maintenance approach, then budget for the exact kit and compatible parts. A front motor alone does not guarantee better landings.
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Tamiya Copperfang (FM-A Chassis)(18715)
USD15.53
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Description
Copperfang's body also placed with a Merit Award in the 2018 Mini 4WD Design Contest; its metallic-orange finish and fang-like front fenders take their styling cues from the copperhead snake, with stickers included to pick out headlight and body details. Like its Razorback and Mach Frame stablemates, it sits on the aero-side-stay version of the FM-A chassis, a front-motor layout with its weight biased forward for stability through elevation changes. Here the chassis is moulded in black ABS with a matching black underpanel and other low-friction A parts, fitted with silver-plated A-spoke wheels and super-hard low-profile tires, and geared at 3.5:1.
- Length 156mm, width 97mm, height 38mm
- Chassis: FM-A (aero side stays), gear ratio 3.5:1
- Motor included, snap-together assembly
- Requires 2x AA (R6/UM3) batteries, not included
Related guides
All guides →
FM-A Chassis Mini 4WD Kit Guide
Choose a Mini 4WD FM-A chassis kit with front-motor handling in mind. Confirm the body, parts fitment and event rules before planning a setup.
FM-A Chassis Tuning Guide
The Mini 4WD FMA chassis puts the motor up front, which changes braking and jump attitude completely. Tuning around that forward weight bias.