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Drawing & File Package includes:
  • 100 page Instruction Manual in PDF format
  • 40 DXF files (generic CAD) for all flat plates
  • 32 CAD renderings in JPEG format
  • 4 CAD models (uneditable) in DWF format (link to free CAD viewer) including 3D CAD model of entire vehicle, chassis weldment, front suspension, rear suspension & drive system
  • Parts Lists including Steel Order List, Nuts & Bolts List, Purchased Parts List in PDF & XLS formats c/w parts suppliers, part numbers, quantities, contact info
"ST4 Plans Revision 19/10/2011: Rack & Pinion Mount - Free Download - Click Here"
This revision corrects a steering rack & pinion mounting error. Attached files include PDF file of a new Rack Adapter Plate, .DXF file for laser cutting & 3D CAD views showing installation. Thanks to Charles S. for reporting this error in our ST4 Plans.



Why buy our drawings for ST4 Long Travel Desert Buggy?...Click HERE


ST4 Two Seater Specifications:
Wheelbase = 90.5" (2300mm)
Overall Width = 73.5" (1867mm)
Overall Length = 127" (3225mm)
Overall Height = 58" (1473mm)
Estimated Weight = 1000 lbs (450 kg)
Ground Clearance = 15.5" (394mm)
Susp. Travel (Front) = 14" (356mm)
Susp. Travel (Rear) = 14" (356mm)
Steering Type = Rack & Pinion
Brakes (Front) = Dual Disc Brakes
Brakes (Rear) = Single Disc Brake
Engine Type = 600cc+ Motorcycle Engine
Drivetrain = Chain / U-Joint Driveshafts (no differential)
Tires = AT26x7-15 (full size spare)
Wheels = 15x7, 5+2 offset, 4 on 100mm

Safety: Design includes mounts for 5 point racing harnesses (driver & passenger), racing certified polyethylene bucket seats, racing certified brake & clutch foot controls, dual front disc brakes, single rear disc brake, professionally designed rollcage/chassis system.

Handling: Rack & pinion steering system, adjustable camber angles in front suspension/steering, 15 degrees of built-in castor angle in steering system (self-centering steering), 14" of wheel travel at all corners, double a-arm suspension all around, fully adjustable & tunable Fox 2.0 series air shocks (rebuildable & tunable dampening), lightweight tubular steel chassis design @ approx 200 lbs (ie: lightweight means improved power-to-weight ratio & improved handling/cornering). Overall vehicle will weigh approx 900 lbs with engine.

Ease of Fabrication: 100 page instruction manual include step-by-step progressive construction drawings with sub-assemblies, weldments, bending details, flat plate details, etc... Basically, you start at the beginning of the plans & work your way through step-by-step. Every drawing has a parts/materials list (where applicable). Chassis drawings show you how to start by making a square tube base frame then progressively build upon that starting point. All materials are readily available worldwide.

Approx Cost to Build: Steel $1200 Canadian Dollars, Parts $5000 Canadian Dollars






Price: $74.99 for entire package

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