Rope Rescue/Equipment/Need/Pulley

From PCSAR

Contents 1 Requirements 2 Product 2.1 R-N-R, Poseidon Series 2.0" Single PMP - NFPA 2.2 RSI 2" Rescue Pulley 2.3 CMC Pro Rescue Pulley

Requirements

• modernize pulleys
• analysis of number of pulleys
  • high redirect at edge + change of direction at anchor + 9:1 = 5 regular + 1 PMP
  • double for mirrored system: 10 regular + 2 PMP
  • have 2 PMP already
  • need 5 for converting over to modern pulleys
  • need 5 more for mirrored system
• minimum 2" sheave diameter to avoid damage to rope sheath on 2-person load
• minimum MBS: 40 kN
  • for counter balance
• prefer sealed bearings for dirty industrial environments
• optionally could be prusik minding pulleys but may not want to trade for weight and size
  • compare
• 5 single sheave 2" pulleys @ US$60 : ~CAD$430

Product

R-N-R, Poseidon Series 2.0" Single PMP - NFPA

• Manufacturer's page
• MBS: 44 kN
• Sheave Dia: 2"
• Max Rope Dia: 1/2"
• Weight: 9.9 oz.
• Sheave Type: Bearing
• Certification: NFPA1983 "G"
• suppliers
  • R-N-R US$60.00

RSI 2" Rescue Pulley

• http://www.rescuesystems.com/cart2/asp/select_item.asp?item=610012B
• M.T.S.: 10,000 Ibf = 44 kN
• sealed bearings
• suppliers
  • Rescue Systems US$98.00

CMC Pro Rescue Pulley

discounted: 1.5" sheave

• https://www.cmcpro.com/equipment/rescue-pulley/
• US$74
• MBS 56 kN
• Sheave tread: a 1.5 x 1/2 (see Ferno.ca msg 2018-08-27 13:10)
• Suppliers
  • Ferno.ca 2016-08-26 $98.42+tax