Logjam
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Everything posted by Logjam
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I've got a couple of the Bli200 batteries, generally use the economy power setting which is fine for nettles & bracken etc. & probably lasts +/- 1.5hr. Thick patches of tall grass make it work harder which might bring it down to 40-50mins with full power. Even so gives enough time to charge the spare battery providing you have a power source. Nothing in the manual about power of motor either. My (very) old 2t Stihl was 31cc & I'd say it's a match for power, probably not as robust so doubt it would take the abuse the old machine suffered or even still be running after 30+years. These days I appreciate that it's a lot less tiring to use & vibration is a fraction of an ICE machine, with the motor at the head there's no drive shaft so much lighter & no torsion when you squeeze the trigger.
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I've got the previous incarnation 536LiRX & would use it in preference to a petrol machine any day. Keeps down weeds around the paddocks, mainly with the metal blade, deals with nettles, bracken, brambles etc just as well as my old noisy smelly 2t. Obviously not got the power of a larger petrol machine but benefits of low vibration, noise, fumes & running costs are a big plus for me. All depends what you want it for.
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Still available but they have similar harness inside to pass the relevant impact test. JSP in UK make them for the export market.
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Remember reading somewhere that CE test was only with the new type Zig Zags but Petzl conducted their own in house tests & Chicane proved compatible with older single attachment hole ZZ. Maybe somebody can post a link, can't remember where I saw it. So the original ZZ is only CE certified for DDRT - but it does work with the Chicane. Update - just realised it was Barry on here Okay we have an answer - They have confirmed that the outgoing ZIGZAG (ie D22A) is compatible with the CHICANE as well as both new 2019 ZIGZAGs. They have said that the configuration is not certified by a notified body (ie they didn't send it off to be certified along with the new products but that they have put the D22A through all the same in house testing with a CHICANE as they have with the new ZIGZAGs and are happy that it passed all the testing.
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If you're concerned about chinstrap type for ground or aerial work the new Petzl helmets have dual purpose chinstraps. The DUAL chinstrap allows the worker to adjust chinstrap strength in order to adapt the helmet to different environments: work at height (EN 12492) or on the ground (EN 397). The clip has two positions, corresponding to the following two uses: - higher strength to limit the risk of the helmet coming off in a fall (strength greater than 50 daN) - lower strength to limit the risk of strangulation, by releasing if snagged when user is at ground level (strength lower than 25 daN)
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Hadn't noticed any flex, because the OK makes a rigid connection to the Chicane it seems to keep everything in place. Like you say very easy to swap back to DRT if you want.
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Had same when I bought mine, Rupe is not the only one. Already had Petzl OK biners so just got the Chicane, shape of the OK karabiners has indeed changed. Got the new shape, bit of a snug fit but keeps it nicely aligned. Also using it with the original single hole ZZ & works fine. Like the consistency & smooth control, don't need to fiddle about fine tuning hitch cord, it just works out the box, once you have the correct biners.
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Depends which standards the helmet has been tested to. Forestry helmets are normally EN397 for overhead impacts, many of the industrial climbing style helmets have EN 397 and EN 12492 standards for overhead & side impacts. From Satra website https://www.satra.com/ppe/EN12492.php "The test in EN 12492 is essentially the same as that specified in EN 397, where a 3kg conical striker is dropped onto the helmet from a height of 1 metre, and any contact between the helmet and headform (although in EN 12492 the headform is in the form of a standard test block) noted. Penetration tests on mountaineering helmets can be carried out on any point around the shell of the helmet however, unlike EN 397, where they are restricted to an area at the crown of the head." Just remember that vented helmets are probably not rated for overhead molten metal or electrical hazards.
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I've got a Husqvarna but if you already use cordless tools getting one that will run on the same batteries is the most economical way to go. No smelly petrol, lightweight, low noise & vibration, no pull start, just squeeze the trigger. What's not to like?
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Not much has changed, Husqvarna sponsor the NPTC workbooks & their Working with Chainsaws series provides a good guide as to what is required.
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Arbortec Lightning, wife has a pair of size 3, smallest c/saw boot I've seen; good price for size 4 at Abbey Garden at the moment. https://www.abbeypro.co.uk/chainsaw-boots/arbortec-chainsaw-boots/showitem-FT-28500NEW.aspx
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Logjam replied to Steve Bullman's topic in General chat
b) The MS 661 C-M Good luck everyone. -
Same on my relatively new ZZ, seen it on plenty of others too. Happens where first link touches if completely compressed such as threading onto rope or pulling through slack. Not seen it progress beyond surface marks, usually get more side plate wear below the pulley where the rope feeds in.
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Need to get rid of a lot of Oak on the 25/26 April
Logjam replied to Jonny Burch's topic in General chat
PM sent. -
Company fined after eighty-foot tree falls onto cars
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Simple answer - AFAIA there isn't one.
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Ditto Since problems with rising oil levels part of the manufacturer 'solution' was to provide modified dipsticks. There is now a X (not visible in the photo) at the two indentations, this identifies the highest level, at which point oil should be changed. Wouldn't recommend running it for too long after part draining as oil will become progressively more diluted. I get oil change kit delivered for £50, correct spec with filter & drain plug. Easy job to change & significant saving over dealer rates. Ours required three oil changes in the last 12 months.
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Revision guide on the NPTC website, not many pictures but front cover has a pole rescue set up.
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For those that at are speculating on the climbers footwear, he's wearing Jika-Tabi. Traditionally worn by tradespeople, gardeners & foresters, even available with steel toe cap to try & satisfy modern safety requirements. Provide 'bare foot' feel when climbing around on the branches but not sure there's much benefit with spikes. Spikes are more like two claws worn on the outside of the foot bit different to what most of us are familiar with but seem very effective. Often used to access the crown then taken off & hung on the back of the waist belt / harness until needed again.
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Just noticed you have stated manufacturer's recommended lifespan as 6-8 years. In which case providing you can produce relevant documentation & harness remains in serviceable condition there should be no reason why the harness should fail until the upper figure is reached.
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Depends on manufacturer's recommendation, some give 10 years for harnesses others 5 & some 7. Get on the web & download relevant info for your harness etc.
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Paperwork for pulleysaver says 2 years for the Dyneema prusik loop, rope & Sirius hitch may be up to 5 years if infrequent use (1 week per year). All parts are subject to inspection, replace when worn / damaged, hitch cords should be considered consumable parts.
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From Treemotion manual: Life Span Infrequent use (1 week per year) up to 5 years. Under intensive use reduced to 3 months, normal use 1 year. Treemotion Life Span.pdf
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Petzl have the answer on their website Can I use the ASCENTREE rope clamp on a single rope? Just in case link doesn't work: "There is no specific reason to prohibit the use of the ASCENTREE rope clamp on a single rope, but that is not its primary intended usage. Moreover, the ASCENTREE rope clamp is not certified for such use."
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[emoji106] Dove Tree - Davidia involucrata
