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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Browse available alternativesBaron Viento is the third body released on the FM-A chassis, and takes a different design direction from its stablemates: styling inspired by customised classic cars, with a chopped roof and separate grille/headlight parts moulded for extra detail. The body is moulded in light green ABS, paired with white wheels, black tires and metallic wheel stickers for a simple two-tone look. It shares the FM-A (Aerodynamic Front Motor) chassis used across the REV series base kits — a forward-weighted layout with a low-friction front skid bar, four front rollers and 8mm-thick rear rollers, built for courses with frequent elevation changes and for easy underside access to the motor.
Choose a layout and maintenance approach, then budget for the exact kit and compatible parts. A front motor alone does not guarantee better landings.
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.
The Mini 4WD FMA chassis puts the motor up front, which changes braking and jump attitude completely. Tuning around that forward weight bias.