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DIY tirfor winch handle


harveyWhite
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I worked in a concrete slab factory when I was younger. We used 6mm high tensile steel wires 124m long. Normally 130 wires at a time.
On a 2.5m x 125m bed.
The wires were plugged into a giant ram,
(300+tons)
Which stretched the wires the extra meter.
The slabs of concrete were usually 50-60mm thick.
You could stand in the middle of one wire, 15-20mm off the bed, and it wouldn’t touch the bed.

That sounds insane at first but divided down it’s only a Land Rover Discovery on each wire. Surprised they didn’t deflect more.
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On 02/09/2021 at 22:50, Haironyourchest said:

At risk of teaching my grandmother to suck eggs, could I suggest you set up the Tirfor in reverse? (Don't know your Tirfor history so I'm assuming you're an amateur - if that's not the case, please disregard and forgive) It's just that the cable end could pop off the stump as the stump angle changes, causing decapitation. It's always decapitation for some reason, Murphy's Law maybe. If you set the winch up the other way round, with the cable hook end anchored to something really solid, it's safer. If the chain or strap or whatever pops off the stump, it's the Tirfor that goes flying, not the hook and cable. Just be sure to stand next to the Tirfor, so you don't get hit by it if it goes. This set up also allows you to be "on top of the work" so you can see what's going on with the stump, and work it with the space or prybar as necessary.

Hooks Law is in there too 😉 but i rely on Murphys Law quite a bit too 😋 K

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17 hours ago, Stubby said:

I could never get mine into neutral so that I could pull the wire rope through manually . That was a pain .

Yeah Stubby, I know the pain... when I first got  mine it was similar, I striped it down found nothing obvious, cleaned and greased it and put it back together and it was improved but why ?

 

I think the most important part of using it is to make sure that the cable doesn't drag in any shit as the cable tolerances are very tight.

 

With green paint, mine is prob ex army and by the look of it 40+ years old with very little use, but as I think it has a second gear for quickly taking up slack which is jammed, I tried to download a manual and to top it all somewhat unbelievably by doing this I got a deeply embedded computer virus which cost me a lot.

 

So does anyone know if an old TU35 has a second gear, cheers.

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7 hours ago, Macpherson said:

So does anyone know if an old TU35 has a second gear, cheers.

I am not sure of the differences between TU and T  but the gearing is by changing the distance from the pivot point, the pin on which the power lever pivots is an eccentric which is fixed by the little knob in the top of the power lever, pull this out and rotate the shaft until the knob can drop back in.

 

I only have a vague memory as I always left it in low and took the T15 if I wanted faster.

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