Rope Rescue/Equipment/Need/Pulley
From PCSAR
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== Requirements == | == Requirements == | ||
* modernize pulleys | * 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" to avoid damage to rope sheath on 2-person load | * minimum 2" to avoid damage to rope sheath on 2-person load | ||
* minimum MBS: 40 kN | * minimum MBS: 40 kN | ||
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* optionally could be prusik minding pulleys but may not want to trade for weight and size | * optionally could be prusik minding pulleys but may not want to trade for weight and size | ||
** {{link|Rope Rescue/Equipment/Need/2 prusik minding pulleys|compare}} | ** {{link|Rope Rescue/Equipment/Need/2 prusik minding pulleys|compare}} | ||
| - | * 5 single sheave 2" pulleys @ $ | + | * 5 single sheave 2" pulleys @ US$60 : ~CAD$430 |
== Product == | == Product == | ||
Revision as of 01:52, 26 July 2016
Contents |
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" 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
- 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
