How to Eliminate Frame Flex in a Sim Rig
Frame flex in a sim rig almost always traces to three sources: an unbraced wheel-deck upright that bends like a cantilever, a pedal deck that...
Category: DIY
Designing a Sim Rig in CAD Before You Cut Steel
Design your sim rig in CAD before you cut a single tube — an evening at the keyboard saves a weekend at the grinder. A...
Arduino vs Pre-Built Button Box: Which to Choose
Choose an Arduino DIY button box if you want the cheapest path to many inputs and exact control over layout; choose a pre-built if you...
Bolt-On vs Welded Sim Rig Joints: Which Is Stiffer?
A welded joint is dramatically stiffer than a bolted one, full stop — a weld fuses two tubes into one continuous piece, while a bolted...
MIG Welding a Sim Rig Frame: A Builder’s Walkthrough
MIG welding a sim rig frame is one of the easiest structural welding jobs there is: 2 mm mild-steel tube, a hobby MIG at around...
Choosing Steel Tube for a Sim Rig: Size and Wall Thickness
For a home sim rig, 40×40 mm square mild-steel tube with a 2 mm wall is the right default: stiff enough for any prosumer direct-drive...
Steel Tube vs Aluminum Profile Sim Rig: Honest Rigidity Test
For raw rigidity per dollar, welded steel tube beats 80/20 aluminum profile — steel is roughly three times stiffer than aluminum for the same section,...
Welded Steel Sim Racing Rig: The Complete Build Guide
A welded steel sim racing rig is the stiffest cockpit you can build for the money: a mild-steel tube frame, MIG-welded at the joints, that...
DIY Button Box for Sim Racing: Parts, Build and Setup
A DIY sim racing button box is one of the cheapest, most satisfying upgrades you can make: about $40–$80 in parts buys a 16-input panel...
How to Design a Sim Rig a Local Welder Can Build: CAD Files Cut Lists and Welding Callouts
Want a sim rig a local welder will quote at $200 instead of $800? Hand them a dimensioned drawing in 1.5″ square × 0.083″ wall...