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DOF Reality H3 (3-Axis HERO) Motion Platform 8.2/10

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DOF Reality · motion

H3 (3-Axis HERO) Motion Platform

DIY-minded sim racers who want full 3-axis motion at a lower price than premium seat-mover rigs.

~$2,599 approx 2026 (base H3 chassis historically ~$1,949-2,599; H3 with SFU/xtra-smooth gearing configs list ~$2,999)

DIY-minded sim racers who want full 3-axis motion at a lower price than premium seat-mover rigs. Key specs: 3 DOF: pitch + roll + yaw (rear traction loss); Motion range 40 degrees, speed 75 cm/s (105 deg/s), torque 28 N/m; Acceleration 0.75G transverse / 0.5G longitudinal, ~1400W peak power; Footprint 100x150 cm (3x5.2 ft), 60 cm height; supports up to 440 lb / 200 kg; Includes SimRacingStudio license; seat/wheel/pedals purchased separately.

Buy with caveats

Worth buying for the right builder, but read the warnings before it lands in your cart.

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Specs

3 DOFpitch + roll + yaw (rear traction loss)
Highlight 1Motion range 40 degrees, speed 75 cm/s (105 deg/s), torque 28 N/m
Highlight 2Acceleration 0.75G transverse / 0.5G longitudinal, ~1400W peak power
Highlight 3Footprint 100x150 cm (3x5.2 ft), 60 cm height; supports up to 440 lb / 200 kg
Highlight 4Includes SimRacingStudio license; seat/wheel/pedals purchased separately

Pros

  • Motion range 40 degrees, speed 75 cm/s (105 deg/s), torque 28 N/m
  • Acceleration 0.75G transverse / 0.5G longitudinal, ~1400W peak power
  • Footprint 100x150 cm (3x5.2 ft), 60 cm height; supports up to 440 lb / 200 kg

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