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Post by T-Dogg on Mar 9, 2010 22:39:38 GMT -4
So a 12000 lb winch should have a 24000 snatch block I figure.  Is this correct, also how many ton would that be. How do I tell if the snatchblock rateing is in imp or metric tone  I dont want thing's flying apart or @ me or someone else,,,Da Dogg |
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Sandboxcowboy
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Post by Sandboxcowboy on Mar 9, 2010 23:19:45 GMT -4
1 long (or gross) ton = 2240 pounds (UK)
1 short (or net) ton = 2000 pounds (US)
1 tonne (i.e., a metric ton) = 2204.6 pounds
In the United States, when people say "a ton," they're thinking the short ton, or 2000 pounds.
So you should need a 12 ton snatch block!!??
The larger the diameter the pulley or sheave, the easier it will be on your cable in the long run.....
Also a BIG thing to remember..........the more links in the run, the more things that can fail.!!!
Its only as good as its weakest link!!!
This includes Shackles and tree straps!!! If you use a 10,000 lb D-ring on a double line pull from your 12K winch, you could possibly put 24,000 lbs on that now inadequate link..............
Something to keep in mind!!
Know any tow truck operators or mobile crane operators? Worth talking to them!
Hope this helps and feel free anyone to correct misinformation!
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Post by theonlybull on Mar 10, 2010 7:04:17 GMT -4
from what i've seen with tow truck operators.......... you guys don't wanna take tips from them....... they do more bad stuff, then good
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Post by T-Dogg on Mar 10, 2010 16:43:32 GMT -4
Hmmm,,,ok well that seems to be 1 ton to the pound for a 12000 lb winch,,, This would seem to be a common formula,,,Hmmmm anyone know where to get a 12 ton snatch block,,,,Da Dogg
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4X4PLAY
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Post by 4X4PLAY on Mar 10, 2010 16:50:36 GMT -4
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4X4PLAY
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Post by 4X4PLAY on Mar 11, 2010 12:12:32 GMT -4
Also, always remember that a 12000 LB winch is only a 12000 LB on the very last run of cable on the drum.
Jeff
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badwithcomputer
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Post by badwithcomputer on Mar 11, 2010 12:52:41 GMT -4
Also, always remember that a 12000 LB winch is only a 12000 LB on the very last run of cable on the drum. Jeff Interesting i've never heard that before, is that because as the cable wraps around the drum, the drum actually becomes a larger diameter which would affect the pulling ratio? similar to gearing in a differential? |
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Big G
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Post by Big G on Mar 11, 2010 12:56:15 GMT -4
Bingo! Leverage working against you.
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Enos
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Post by Enos on Mar 11, 2010 13:16:50 GMT -4
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kilo69
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Post by kilo69 on Mar 11, 2010 14:23:29 GMT -4
I'm not sure if that chart is accurate... most of them have 0lbs pulling ability ;D |
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Enos
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Post by Enos on Mar 11, 2010 14:31:21 GMT -4
Its accurate for mine...as I stated  |
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shadow
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Post by shadow on Mar 11, 2010 22:07:26 GMT -4
Its accurate for mine...as I stated LMAO...well you took that one right on the chin Enos...lol |
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Enos
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Post by Enos on Mar 11, 2010 22:18:56 GMT -4
Its accurate for mine...as I stated LMAO...well you took that one right on the chin Enos...lol I meant the chart was accurate for mine, it still works, Alan and dad did a bit of fixing on the white metal end cap of the motor, I'll be putting it back on Saturday when I'm down there  |
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Post by jeepfever on Mar 12, 2010 20:49:49 GMT -4
Wow, every time I visit the tech section I learn something new.
Y'know if you really want to get technical these specs are for a dry pull across level ground. Typically you're winching out of a mud hole uphill then you need to add more pounds of pull.
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Enos
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Post by Enos on Mar 12, 2010 21:30:12 GMT -4
Pulling out of mud or uphill doesn't change the line pull of the winch, just the effective weight of what you are trying to pull.
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Is this correct, also how many ton would that be. How do I tell if the snatchblock rateing is in imp or metric tone 
