WorcsWuss

I would agree with this. My nptc tickets just mean I'm disinclined to cut my arm off. My (limited) knowledge of trees comes from experience. Nptc certs do not a tree surgeon make! And having not completed any formal training I wouldn't describe myself as a tree surgeon. It's a skilled profession. You can't learn to use design software, get an it qualification and call yourself an architect. This is no different.

One made up word for you..... SAWPOD! Made such a difference, I didn't believe all the hype but it's all true! .... Only really a nuisance climbing through a bush, but I can always still hang it off my arse on the odd occasion I need to....

Depends, has it been done on some god awful reality tv show....?

I wondered as much! Thanks!

Now if I did anything worth watching I reckon you could definitely sell me one of them....

I meant the next thing you'll get evangelical about!!

Is this going to be your next hitch hiker....? :lol:

Not sure yet, whatever I have lying around, will experiment but so far am settled on covering it with an off cut of aeris cover inside clear shrink, binding black silage wrap repair tape around something under that, not sure what yet....

Thought I'd probably do it in my shed..... :lol: I have looked into the quickdraws, if I stumble on one I'll get it, but they don't seem to be stocked by the usual suspects..... I do have a very short hitch, going to start with a 25cm bridge and go shorter from there.....

Snot for that, was thinking of using one as the basis for an rw tether..... Cheap, neat and 3 options all around the right length.... Stiffen it up and presto.... Course I could be wrong, but for around a tenner it's not an expensive experiment.....! Thanks for info though!

Replaceable bridge for above, anyone tell me whether a standard krab will fit through the sewn eyes....? Thanks!

I've looked into that before, can't remember what the entry requirements were..... Do you need a diploma or something to do it....?

:lol::lol: I wouldn't claim to be a tree surgeon but I'll tackle tree work within the realms of my ability and experience. Much of that has come from practical experience rather than the nptc certs I have..... NPTC quals are measures of proficiency in practical tasks, they don't have a great deal to do with the science of trees, just the very basic mechanics. They're a good start, but not the most important thing....

Would you REALLY ask for that 20 quid...? Surely the better solution is factor it in assuming most people will want to pay by card. Alternatively if they bacs it straight away or pay cash they can have a discount....?

Yup

Keeps coming up in my facebook feed, lots of my friends seem to 'like' it but I'm not sure how many use it. Seems a great idea on paper.....

That's great Dan, I'll print those off and study them in detail.....!

I've threaded one of those stein stuff sacks onto the back of my harness in the middle to stash things in, croll, redirects etc.... All I have hanging off my harness now is saw and strop.... It's tied on with para cord..... Works well. My treehopper is a bit light for big saws as well, so I tend to clip it either onto the spare hole on the hc or a prusik on the standing line.... Sometimes it helps, sometimes it gets more in the way, but i hate having my harness pulled around by a heavy saw.....

1. How long have you been in the industry? since 1999 on and off 2. Do you have experience of using saws regularly? yes 3. Which do you find the best for the working industry, battery or fuelled chainsaws and please give reasons for each? petrol 4. Do you use any other types of saw? If so please specify: silky! and occasionally a stihl mains electric one 5. Have you ever used an electric saw? If so please state what you thought about: a. Ease of use Once I worked out what buttons let it work, ok, disliked trigger interlock position on side of handle though b. Efficiency ver good actually c. Compared to petrol as good, in specific circumstances d. Compared to battery no experience 6. Do you need a ticket to operate a battery chainsaw like you do a fuelled saw, if so which ticket? no idea 7. If you bought a battery chainsaw, would it be for garden maintenance or the commercial industry? Please state together with reasons. wouldn't buy one in the foreseeable future. Doesn't suit my need 8. Is the maintenance easier with any particular saw over another? Please also state reasons. not sure I understand the question, I guess it's easier on what you're used to...? 9. If you were making a recommendation to a commercial small business owner, what saw would you suggest they purchase and why? petrol, because I don't have any meaningful experience of the alternatives 10. If you were making a recommendation to a private individual (for use on the own premises) what recommendation would you make and why? mains corded saw has definite advantages if you're cutting logs in one place 11. Any other comments:

But this bit I don't.... Surely if you use friction around the tip to reduce the force needed on the tail to support it, then you reduce the overall force on the tip as well.....? Ultimately (theoretically because otherwise it would defeat the object of base anchoring) the friction could be increased to such a point that no force is required to prevent the rope running back..... And you'd have the same force on the tip as a standard choked single line....? I guess what I'm driving at is there are degrees of force between top anchor and base anchor....?

Ok, so here's what confuses me.... This bit I understand....

First off, try this, SurveyMonkey: Free online survey software & questionnaire tool You have to pay for the full service (well worth it and not a lot of money, even for an impoverished student) but the free version is good for 100 responses. It will give you a more useful set of answers, and people will be more inclined to respond....

So the force applied to the tail makes no difference. Which is where I get lost again..... If that follows then the force applied to the anchor should be double the climber's weight no matter where he's anchored..... Hold on, is that where dynamic forces come in? To just hang there ddrt it's 100kg. To start hauling yourself up ddrt you need to exert 100kg of force on the tail to lift the 100kg dead weight on the standing line which is the climber. So when hanging ddrt the anchor is subject to 1kn of force, but when climbing it's subject to 2kn of force.... And a base anchor always exerts 2kn of force because the load is never split between the same point...... I'm going to just switch the lights off and lie here in the dark for a few minutes......

This is where I become confused, because if we're talking force on the end of the line, which is where a base anchor comes in, adding wraps round the tip reduces the force which must be exerted on the tail of the rope to support 100kg of weight by using friction, but the 100kg is still exerting 1kn of force on the anchor point...... So you could have 100kg suspended, but by taking 3 or 4 wraps round the limb, only have to exert 0.25kn on the tail of the rope to suspend it. So, are you exerting 1kn, 2kn or 1.25kn of force on the anchor....?

Still don't get it, I never was much cop at applied mathematics and engineering....! What I can't fathom is how one end of the rope being attached back to the climber makes any difference to the force applied to a limb when compared to one end of the rope attached to a static point.... I'm having a thick day! Ref the tie in point, if a limb is suspended by natural rigging with a rope thrown over a branch, a small amount of friction is generated to aid controlled lowering. If the piece you're lowering is heavier, you take a couple of turns round it to reduce the amount of force needed in the tail of the rope to lower it, same principal as a capstan. So the force on the tail (or theoretical base anchor) is reduced, but the force on the limb you're rigging from remains the same. So while i understand the reasoning, i can't understand the maths which mean a 100kg suspended on a loop from a point exerts 50kg down each leg, 1kn in total, but if you unclip it from itself and fix it back to a static point all of a sudden it generates 2kn of force on the limb...? (Have I got the units right there?) This is why I use structural engineers when I'm designing a building!!