Forest Giants

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Originally Posted by Barry the hunter

you cannot teach some stupid bastards - we had at a big Urewera fire a huge rata that would spark up and start the tawa around going so we decided to blow it over -this was huge 150 feet high and 6 feet around the base - soo mate from Murupara turned up with a heaps of jelly and 10milk bottles full of urea with jelly inside and we loaded the trunk - the trunk was about 6 foot thru so we bored some holes in and packed it in - following best practice we loaded a scarf and we had a delayed detonator and in theory we would blow a scarf and the 1,5 seconds later we would blow the main trunk - we were using electric detonators so we loaded all the milk bottles in and wired it up - bloody mate bundled cord together and when I objected saying he will cut the charge cords from the scarf to our main charges states na all good - so we wind out all the electric cord we had about 200 metres - hook it up and press the charger - big boom but not two - muppet has to go back in to a rata with a couple of feet of remaining trunk and hook up the front charges -gets back we wire it up again and thru the trees over it goes - shit himself doing it literally



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Had a few stories like that popping piles in the water to get rid of them. Easier than trying to cut them off when they've been impregnated by coarse sand and small stones due to water action - rather stuffs the chain...

Drill a few holes in the right locations to form a shear plane and back right off to somewhere safe and pop the thing off. Usually with a strop on it, tied off to something so you can find the thing again and lift it out. Of course, the one that didn't want to play and for whatever reason was last seen heading straight up trailing a strop, a piece of rope and the lump of timber lying on the bank that the rope was tied to. Never did find that one, went straight up and as far as we know it never came back down. I know the laws of physics state that 'what goes up must come down' but also some laws seem to be made to be broken!

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Originally Posted by No.3

Had a few stories like that popping piles in the water to get rid of them. Easier than trying to cut them off when they've been impregnated by coarse sand and small stones due to water action - rather stuffs the chain...

Drill a few holes in the right locations to form a shear plane and back right off to somewhere safe and pop the thing off. Usually with a strop on it, tied off to something so you can find the thing again and lift it out. Of course, the one that didn't want to play and for whatever reason was last seen heading straight up trailing a strop, a piece of rope and the lump of timber lying on the bank that the rope was tied to. Never did find that one, went straight up and as far as we know it never came back down. I know the laws of physics state that 'what goes up must come down' but also some laws seem to be made to be broken!

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During the Pascal-B nuclear test of August 1957,[8][9] a 900-kilogram (2,000 lb) iron lid was welded over the borehole to contain the nuclear blast, despite Brownlee predicting that it would not work.[8] When Pascal-B was detonated, the blast went straight up the test shaft, launching the cap into the atmosphere. The plate was never found.[10] Scientists believe compression heating caused the cap to vaporize as it sped through the atmosphere.[8] A high-speed camera, which took one frame per millisecond, was focused on the borehole because studying the velocity of the plate was deemed scientifically interesting.[8] After the detonation, the plate appeared in only one frame. Regarding its speed Brownlee reckoned that "a lower limit could be calculated by considering the time between frames (and I don't remember what that was)", and joked that the best estimate was it was "going like a bat!".[10] Brownlee estimated that the explosion, combined with the specific design of the shaft, could accelerate the plate to approximately six times Earth's escape velocity.[10]

From

https://en.wikipedia.org/wiki/Operation_Plumbbob


Search term

manhole cover in space

Quote:

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Originally Posted by No.3

Had a few stories like that popping piles in the water to get rid of them. Easier than trying to cut them off when they've been impregnated by coarse sand and small stones due to water action - rather stuffs the chain...

Drill a few holes in the right locations to form a shear plane and back right off to somewhere safe and pop the thing off. Usually with a strop on it, tied off to something so you can find the thing again and lift it out. Of course, the one that didn't want to play and for whatever reason was last seen heading straight up trailing a strop, a piece of rope and the lump of timber lying on the bank that the rope was tied to. Never did find that one, went straight up and as far as we know it never came back down. I know the laws of physics state that 'what goes up must come down' but also some laws seem to be made to be broken!

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I removed the remains of an entire stage used to support construction around one of the piles on the Ashurst river bridge. The stage piles were all railway irons. About 30 of them. They had been gas axed off at riverbed height back in the early 60's, but 25 years of gravel extraction at Ashurst had lowered the riverbed so that many of them were now just under the water level. Ripped open a few jetboats, so I got to play with a couple of boxes of plastergel. One stick each side, offset an inch and they all were snapped clean off. None went into orbit. But there was the remains of an old pile. About 750 dia. It took a dozen sticks to dislodge, and had a fair bit of spalling come off the 'new' pile a couple of metres away. 40 years on, I see the bridge is still standing.:ORLY:

Hard case how this thread has gone from beautiful big living trees to beautiful big dead trees ...hahaha , be good to get some more pics on here of both though