F-250 Rock Crawler

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F-250 Rock Crawler

Final Build Photos

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Submitted By
Chris Kimmelshue
Falmouth, Maine, United States of America
Build Information
Readers Ride Title F-250 Rock Crawler
Vehicle Class Rock Crawler
Chassis Brand Other
Chassis Model CEN Racing F-250
Other Chassis Brand and Model Ford F-250 SD KG1 Edition Lifted Truck Daytona Blue – RTR
Body Brand Other
Body Model CEN Racing F-250
Other Body Brand and Model Ford F-250 SD KG1 Edition Lifted Truck Daytona Blue – RTR
Power System Electric
Electric Motor Brand and Model Castle 1412-3200kV
Speed Control Brand and Model Castle Mamba X
Battery Brand and Model Powerhobby 3S 4200 mAh Si-Graphene
Wheels and Tires Brand and Model 2.2 SSD Challenger and 2.2 Pro-Line Baja Pro X
Shocks Brand and Model GMade XD Diaphragm 103mm
Axles Brand and Model Axial Ryft AR90s
Scale Accessories Brand and Model Axial SCX10-III Basecamp front bumper, Vanquish Products 2.2 wheel weights and hubs, and Samix stainless steel pivot balls throughout.
Radio System Brand and Model Spektrum DX5 Rugged radio and SR515 receiver.
Other Options Brand and Model NSDRC RS1 monster torque servo. Custom MIP driveshafts, swaybar mount, and torsion rod using Reef's arms.
Further Description/Back Story Once I saw CEN Racing's lifted F-250 RTR, I knew I wanted to turn it into a rock crawler. The first mod I performed was adding the much larger and stronger Ryft axles. Then, I corrected the suspension geometry to optimize articulation and stability using a mix of Axial's M6 stainless links. I added custom underpinnings between the chassis and suspension mounts to stiffen the chassis.

I rearranged the chassis mounts and braces to optimize the weight balance and moved the battery tray to the front to benefit in crawling.

I then added RC4WD's two-speed Wraith transmission for the truck to quickly get to the rock piles and gear down for the ascents. To mount the gearbox, I made a custom Delrin skid plate and dropped the position of the transmission to lower the center of gravity.

Finally, I switched the stock front bumper for Axial's Basecamp bumper, which fits the front nicely, and provides a superior approach angle.

Build Process Photos

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