Rescue Catalog > Mechanical Advantage Systems > 4:1 Rescue Mechanical Advantage Systems

R-N-R, RESCUE SYSTEMS
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The Mars System is a pre-rigged/pre-packaged 4:1 mechanical advantage lifting-lowering system using a double camming pulley. It is designed to lift and lower live loads and as such may be used for rescue or entry into confined spaces. All components used in the Mars System exceed the current NFPA, ANSI and OSHA requirements. No more fumbling about looking for parts to build a mechanical advantage system and no more scratching your head trying to remember how to assemble the parts! Thanks to the 4:1 mechanical advantage, it is easy to lift a 2 person load and then some. Unlike other manufacturers, we rig the Mars System with 1/2" (13 mm) NFPA 2 person rated rope. The maximum safe working load at the load end of the system is 1,760 lbs. (800 kg) and 440 lbs. (200 kg) at the cam. Please note that Mars System can be custom tailored to fit your specific needs. We offer the following models: Mars 25 Pack: 25' (7.6 M) of lift from the top - 25 pack contents: 1 - double camming pulley, 100' (30.5 M) - 1/2" (1 3mm) NFPA 2 person rope, 1 - double sheave pulley, 2 - large locking D steel carabiners, 1 - storage bag, preassembled and packaged. Made in the U.S.A. Mars 50 Pack: 50' (15.2 M) of lift from the top - 50 pack contents: 1 - double camming pulley, 200' (61 M) - 1/2" (13 mm) NFPA 2 person rope, 1 - double sheave pulley, 2 - large locking D steel carabiners, 1 - storage bag, preassembled and packaged. Made in the U.S.A. Mars 75 Pack: 75" (22.8 M) of lift from the top - 75 pack contents: 1 double camming pulley, 300' (92 M) - 1/2" (13 mm) NFPA 2 person rope, 1 - double sheave pulley, 2 - large locking D steel carabiners, 1 - storage bag, preassembled and packaged. Made in the U.S.A. Mars 100 Pack: 100' (30 M) of lift from the top - 100 pack contents: 1 double camming pulley, 400' (121.9 M) - 1/2" (13 mm) NFPA 2 person rope, 1 - double sheave pulley, 2 - large locking d steel carabiners, 1 - storage bag, preassembled and packaged. Made in the U.S.A. Choices listed below!
R-N-R, 25' Mechanical Advantage System Ref: RESCUE25-U Price:    $514.00
Mechanical advantage lifting/lowering system to provide 25' of Lift.
R-N-R, 50' Mechanical Advantage System Ref: RESCUE50-U Price:    $619.00
Mechanical advantage lifting/lowering system to provide 50' of Lift.
R-N-R, 75' Mechanical Advantage System Ref: RESCUE75-U Price:    $724.00
Mechanical advantage lifting/lowering system to provide 75' of Lift.
R-N-R, 100' Mechanical Advantage System Ref: RESCUE100-U Price:    $827.00
Mechanical advantage lifting/lowering system to provide 100' of Lift.