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Topic Date User

Petzl Roc Pec Hand Drill 29-Jul-2013 At 9:07:33 AM tshaw

Message

On 29/07/2013 kieranl wrote:
>On 29/07/2013 tshaw wrote:
>>On 28/07/2013 kieranl wrote:
>>>I found this in a post from Neil earlier this year :
>>>>>To put it into perspective my Panasonic 28v drill would polish off
>>a
>>>12mmx90mm
>>>>> hole in hard granite in about 5 seconds. It would also do 20+ holes
>>>per battery
>>>>>(or 50+ in the Bluies!). So you certainly do get what you paid for!
>>
>>cheers for that.
>>
>>with small windows of time off to get out there, the power drill is looking
>>like a much more efficient option. two batteries should do the trick.
>
>>
>>
>Yes, even if you only got a total of 30 bolts out of 2 batteries, hand-drilling
>those holes would take about 600 minutes. a power-drill at 5 minutes per
>bolt* would take 150 minutes, a saving of 7.5 hours, basically an entire
>day.
>You'll need to work out a tag-line system that minimises the possibility
>of the drill going flying and taking you out on lead.
>
>* 5 minutes per bolt covers from beginning to haul the drill until bolt
>is in place and drill is hung and setup so the leader to continue.

when you break It down like that then power-drill makes sense. 5 mins is quick. I imagine the route will have around 30 bolts or more so saving a day here and there drilling will add up.

I will have to look into tag lines to avoid carnage. Anyone have some good do's or don't's?