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  #11  
Old 09-28-2012, 09:45 AM
muddywater muddywater is offline
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I couldnt do that with our clay rocky soils. Boring it is sometimes slow.
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  #12  
Old 09-28-2012, 11:33 PM
superintendent superintendent is offline
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I found a place that rents a mole. He said there nothing to it, for yall that have use them how hard or tricky is it the first time around?
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  #13  
Old 09-29-2012, 01:03 AM
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cjohn2000 cjohn2000 is offline
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Quote:
Originally Posted by superintendent View Post
I found a place that rents a mole. He said there nothing to it, for yall that have use them how hard or tricky is it the first time around?
Well trajectory angle is fairly important. A mole works on fiction as it goes through the soil. If the mole its a soft spot or a gravel deposit it could start "swimming" and get stuck.
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  #14  
Old 09-29-2012, 01:10 AM
stebs stebs is online now
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Something i've heard about the moles is that you need to be at least a foot down for every inch in diameter the mole is... something to keep in mind...
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  #15  
Old 09-29-2012, 09:33 AM
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Sprinkus Sprinkus is offline
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Here's an interesting technical report: Guidelines For Impact Moling

They're recommending a depth of ten times the diameter of the bore or 3-4 feet, whichever is greater.
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  #16  
Old 09-29-2012, 11:42 AM
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greenmonster304 greenmonster304 is online now
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For my 3" missile I usually go 30" min. Page 12 http://www.tttechnologies.com/manual...t%20Manual.pdf
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  #17  
Old 09-30-2012, 08:45 PM
Mdirrigation Mdirrigation is offline
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Angle it about 3 or 4 degrees downward angle , dig down at least 2 1/2 feet . Place the missile across the drive and mark on the hose with duct tape so you KNOW its past the end of the drive. ( when you mark have the missile past the end of the drive ) as its going if it starts sounding louder or the driveway starts to crack reverse it right away . If it gets stuck plan on a day getting it out . Good luck
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  #18  
Old 10-01-2012, 07:34 PM
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Oxmow Oxmow is offline
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Try an Underwunder...portable boring machine, has maybe a 7 horse engine and gear reduction to drive drill pipe and bits. Can be used with or without water. Kinda looks like a pressure washer, but with a gear reduction and spring unit where the pump would be. May be at your local rental place.
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