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dxmedia
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 Posted: Tue Oct 07, 2008 20:24 Post subject: |
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Mass x Velocity
Also towing has a x3 saftey, lifting a x7.
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| Posted: Tue Oct 07, 2008 20:24 Post subject: Google Ads keep this community free to join! |
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Chris B
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| Posted: Tue Oct 07, 2008 23:57 Post subject: |
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| dxmedia wrote: |
| <sinp> lifting a x7. |
Lifting safety factors differ by industry and equipment type... its all down to the load type expected (ie static or dynamic) 
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dxmedia
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Peter Bonnell
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| Posted: Wed Oct 08, 2008 7:29 Post subject: |
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This is getting very technical now  anyway I've decided on a 14 ton 4.5m with shackles £19.80 from Damar , thanks for all your help |
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dxmedia
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| Posted: Wed Oct 08, 2008 9:04 Post subject: |
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An interesting article if this kinda thing floats your boat...
http://www.hoistmagazine.com/storyprint.asp?sc=2044499
But, specifically
| Quote: |
| Nylon web slings continuously exposed to sources of UV light can lose 40 to 60% after exposure periods ranging from 12 to 36 months. Polyester web slings lose at a greater rate, initially (30% in the first 12 months), but interestingly, the loss seems to subside and level off after the initial 12 month period. |
and
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| When a nylon sling is wet, the resulting loss of strength is approximately 15%. When the nylon sling returns to a dry state, the strength is normalised to the initial value. |
That 4 tonne strop in the back of the truck which is a couple of years old trying to pull another truck out of a lake is only 1/4 as strong as it's original specification - that's a tonne.
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richard wilkinson
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Location: staffordshire
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| Posted: Wed Oct 08, 2008 18:34 Post subject: |
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poor bloke only wanted a tow rope 
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markymoan
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| Posted: Wed Oct 08, 2008 19:14 Post subject: |
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| richard wilkinson wrote: |
| poor bloke only wanted a tow rope |
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richard wilkinson
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| Posted: Wed Oct 08, 2008 19:30 Post subject: |
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| markymoan wrote: |
| richard wilkinson wrote: |
| poor bloke only wanted a tow rope |
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markymoan
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| Posted: Thu Oct 09, 2008 19:12 Post subject: |
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And Place the code 437f1f in the checkout section and you will get 10% discount if you spend over £10
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Chris B
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| Posted: Thu Oct 09, 2008 20:40 Post subject: |
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| markymoan wrote: |
| And Place the code 437f1f in the checkout section and you will get 10% discount if you spend over £10 |
 Guess who has literally just opened his latest order from Damar Must admit tho - their service & quality is top notch!
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