Weight Transport
• Shall be lubricated, 7 x 19, 3/16" galvanized steel, nylon coated aircraft cable with breaking
strength rated at 4200 pounds.
• All cable ends shall be finished off with a swaged fitting with a breaking strength exceeding
that of the cable itself.
Weight Stack Guide Rods
• Shall be solid ground and polished cold-drawn steel with minimum yield strength of
100,000 PSI with a hard chrome plated piston steel finish with an overall minimum
accuracy of ± .010.
Weight Stack Suspension
• Shall have heavy-duty neoprene bumpers with a 80 durometer rating under the weight
stacks to reduce shock and vibration stresses to the frame and facility.
Cams
• All cams shall be individually designed for each unit to match the appropriate muscle
strength capability curve.
• Cams shall be CNC laser cut steel for accuracy and incorporate a cable groove matched to
the specific cable diameter.
Counter Balanced Input Arms
• Input arms on equipment shall be counter balanced where appropriate to eliminate the
weight of the assembly from the weight selected by the user.
Handgrips
• Plate Loaded machines shall use a closed-end PVC closed cell foam vinyl sleeve.
• Select Plate Loaded shall use either "Grabbaroo" thermoplastic rubber extruded grip
material that is non-absorbing, wear and tear resistant, and exhibits good wet and dry
friction characteristics.
• Diameter should be 13/8" to increase comfort through reduced pressure.
Frame Construction
• Primarily 1 1/2 x 2" tubing with 11 gauge wall thickness, but different tubing sizes and wall
thickness shall be used as required through engineering stress analysis.
• Fully welded frames for maximum structural integrity and minimum maintenance.
• All machining and welding must be done utilizing jigs and fixtures to insure highest quality
and inter-changability of parts.
Radial Bearings
• 87503 double shielded bearing with 17-mm stainless steel shafts, dynamic load rating 1660
lbs.
Technical
Specifications
Page 1-2
Cybex VR2 Owner’s Manual
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