jomoco
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Everything posted by jomoco
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Will a rifle leaned against a tree be pushed over, or engulfed?
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Then let's discuss how much tensile pressure over how many square inches of cambial tissue, causes a foreign object to be engulfed rather than pushed outward? Will a two inch wide synthetic strap thrown over a six inch lateral supporting a 50 lb weight vertically, be pushed up, or engulfed over a ten year period? Jomoco
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I think it'd be interesting to conduct a simple poll on the question of whether firefighters would prefer inflammable, or flammable support systems holding together the trees they work under? Or forestry workers in general asked the same question? Think they'd opt for the frail flammable stuff in appreciable numbers? Jomoco
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I'm certainly guilty of climbing some small spreading tree species without a rope n saddle, particularly barbed thorned coral trees, Erythrinas. I feel far safer jumping or falling off a long coral lateral, than I do swinging into an open shark's mouth. Just me and my handsaw! Jomoco
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Thanks for the hands on feedback Marc. But cobra does sell static synthetic systems specifically to hold a split co dominant fault together. Failure due to fire may not matter to folks in cold climes, I agree. But does cobra have a disclaimer for use in higher fire risk environs? Jomoco
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I get it guys. Many of you think synthetic flammability' s not an issue, I respectfully disagree, and have provided links to the many reasons it does. Durability superiority of traditional steel systems over synthetic systems will not matter to an insurance company on the hook in a court of law? Again I respectfully disagree. Murphy's Law is not a valid systems design factor deserving of consideration as a matter of due diligence? Yeah right. Jomoco
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Are there any of the many denizens in the arboreal world capable of chewing an EHS wire cable in half? I suspect frayed polypropylene makes an excellent nest lining. Jomoco
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But you just stated that proximity to a fire would not cause limb failure because the system components caught fire and burned my friend. Obviously that's not true when the static system's the only thing holding a genuine fault together. Jomoco
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Are you correct in assuming Cobra sells no static tree support systems mate? Jomoco
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I guess my point is that traditional steel cabling has none of these glaring and numerous frailties weaknesses and liabilities. Just for grins I googled UK forestry controlled burns. http://www.forestry.gov.uk/pdf/FCTN2.pdf/$FILE/FCTN2.pdf Jomoco
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I rescued a huge bloody pelican tangled up in a Torrey pine at sea world. Does that count? Jomoco
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I have often pondered the merits of raising children in a vertically challenging environment where climbing and descending are as common place as walking. My eldest daughter was a footlocking wiz at eight years old. We came down from the trees and got obese, perhaps we should go back up them? A symbiotic relationship between mankind and trees! Yeah,yeah, dream on... Jomoco
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Both the manufacturer and Marc advise keeping a bit of slack in a properly installed system. What about vertical leaders with no lateral branches to prevent the termination straps from slipping down? Installing it 2/3rds of the way up a leader, depends on an accommodating lateral to keep cobra's pants from slipping down around its ankles? Jomoco
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Sounds like an ethanol gummed carb to me! Jomoco
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It's the insurance companies that'll be prosecuting these cases in court guys. It's the fire codes your home owner's insurance enforces before writing a policy, such as X number of feet from the home any highly flammable material must be removed, the opposite of installed. Jomoco
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So despite synthetic cable's high flammability, and the fact there are 212K house/structure fires any given year, you'd still have no qualms about installing a synthetic system over your client's home Mick? Jomoco
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Would the 212K UK house fires between 2013-2014 lead you to only use steel cabling over homes n structures Marc? https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/456652/Fire_Statistics_Great_Britain_2013-14___PDF_Version_.pdf Jomoco
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I'm speaking of forked tight V hangers, upside down and trapped on the span of poly cable Jake, blowing and twisting in the wind. Jomoco
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So did the manufacturer test how long a poly cable can resist the abrasion exerted on it by a forked hanger blowing in the wind each day? We know an EHS wire cable can withstand such abrasion for years. Can the poly cable withstand the same abrasive forces for even a week? Jomoco
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So abrasion resistance isn't a valid factor to be considered either? Durability's pretty much a non-issue with you guys eh? Jomoco
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Mad dogs n Englishmen have infected the the whole dang world I'm tellin yu! Jomoco
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Then let's set the glaring vulnerability to fire issue aside for now, and focus on another of any tree support system's natural environment, abrasion, shall we? Are falling limbs branches n hangers common in cabled trees? If I rubbed a coarse barked branch across a taught polypropylene cable like a violin? Which would fail first, the EHS cable, or the poly cable? Again you're rationalizing replacing a highly durable system, with a pitifully frail one. Jomoco
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Do you think utility companies take fire resistance into consideration when choosing components for use in their installations? How are we magically exempt from such common sense design requisites? Jomoco
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Do you think any UK insurance firm's gonna agree it's an acceptable risk to take Stubby ole friend? https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/456652/Fire_Statistics_Great_Britain_2013-14___PDF_Version_.pdf I kinda doubt it meself. Jomoco
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Rest assured Graeme's no cracker mate! Jomoco
