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    One Leg Squat

    I warned my son about high stress injuries pumping iron. He got through ok but two of his friends have lifelong gift tendon and cartiledge injuries. Love your knees and they will love you back for decades to come. Put the hurt on them and they'll keep reminding you that you did. Worn out...
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    45° limbs

    Have to admit big willow bark is pretty thick and chunky near the bottom. I guess the question becomes has the tree been pollarded such that its chunky bark right up to the sprouts. If so I'd easily concur with spurs. But you'll impress the hell out of the customer if they see you suspended...
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    45° limbs

    Another thought. If the stems are denuded of tips along their length and only have the epicormic sprout cluster at the top, skip the unwalkable 45 degree fight - put an SRT line in each of the diagonal opposites and spiderman/traverse your way up to each of the two spar tops in turn. I'd say...
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    45° limbs

    Apologies if I've given the wrong advice ie I think you said there are 4 45 deg and implied no central leader. Best I can offer is two lines, base tie SRT opposite leader, use it to control your weight on diagonal leader which you bear climb/inch worm etc up. Wash riinse repeat each corner...
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    Sudden Idling Issues After Cold Weather

    Maybe something sealing less well in the cold? Older harder crank seals? vent/pressure line etc.. hardened carb diaphram harder in cold? My well used 200T runs different in the cold, actually ms260 too. I switched crank seals on a br400 or 420 and it was like I put a new carb on it.
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    45° limbs

    Coming back in/down, don't do a pure bear skid - lower/release yourself on a long lanyard/mini-climb. "do the bear skid" now the song's stuck in my head! Saw him live once in a bar. You could actually come back in like a traverse.
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    45° limbs

    +1. They're punky corky wood often with bad unions. I suggest a central bit bigger lower tip maybe add a girthed sling/biner false crotch to that (around the stem so you're not relying on the union) once you get up there then take a second (mini?) system and fight your way up/out the leaders...
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    Welding and Chlorinated Cleaners PSA

    Quite a few folks on the buzz weld. I came across this quite educational video of how using chlorinated brake cleaner as a degreaser in weld prep can produce fatal phosgene gas that smells different but innocent and doesn't manifest problems till hours after exposure making it hard to...
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    Nerd Alert

    Branch Union TIP Rope Sawing During Climb - SRT This popped up in another post so I thought I'd take a crack at it here. A lot of the data and analysis comes from the SRT Base Tied Tp Forces thread linked below. The branch TIP union is a 180 degree wrap bollard with a tension ratio of 1.4 for...
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    New device from ISC

    You can really see the extra metal in the zigging links in Muggs photos. Strength for the eccentric loading. Symmetry is why the links on the zig zag can be so small. Neat how the rope pinch gets activated SRT and unloaded DRT. It's a 2 speed automatic Powerglide :) a reference for the...
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    Nerd Alert

    Ok I 've found alpha nerds doing alpha cool - working on NASA Apollo hardware!
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    Nerd Alert

    Replacement ptc thermistor worked, Belfuse brand 750 mA Ih with about 25% bigger body. Neat thing is its a dc or ac resistor, no PN junctions doping semiconducting it just a polymer that expends as it resistively heats up separating conductive particles until the increased resistance...
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    Lightly used 400c

    Companies have black box logging sometimes for warranty purposes. Bunch of years ago a toyota guy told me how warranty coverage was voided for a customer because a mis-shift over-rev was logged that caused the engine to blow; the shift pattern on the mr2(?) was so tight and short throw that the...
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    Nerd Alert

    Youtube served this up to me after a 650 km/hr rc drone video. Just like a villain in a sci fi cartoon! turns out this guy is high electrical power adventurous shall we say What could possibly go wrong?
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    Need innovative idea for spiraling Christmas lights in taller trees

    If you're going to invest in your own lights try to get the most non-velcro non-snaggy strings possible. I'd say snagging is 75% of the battle.
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    Sycamore and Elm climbing.

    I've always wondered about SRT rope crotch sawing. Wouldn't it depend on the smoothness of the bark, the angle of the union and whether you climbed rammy like you're trying to win a race vs smooth stealthy climbing style. This is a call out for a go-pro pro to film a few scenarios. Soft...
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    Why Is It So Expensive to Cut Down a Tree?

    I had neighbours who bought a new house on a big lot for $16,000 and had annual net (edit - not net, gross income so minus life expenses to pay off the house with) income less than $1,000 per year. That was probably discouraging at the time. It takes money/you got money you make money or...
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    Lucky Garage Moments

    I'v only ever seen youtube evidense of repressurising a spray can. What line pressure was on your air nozzle and how good do you think you got it coupled to the can? edit - maybe worth taking a spare fitting and drilling a couple holes to make an adapter
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    January TCIA feat. The Buzz and Mark Chisholm

    What's the angle with the precious old growth tree climb on the cover photo re normal tree industry care provision? nice photo regardless, though related threads may have some to and fro Is there a related article in the issue?
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    Nerd Alert

    2nd theory is 20 year old lube is crapping out causing higher current draw - maybe just enough to break the camel's back. so shopping for oil, plastic grease. hey! there's just one best oil/grease and it's a consensus ! :) best for plastic yet seems to be lithium carrier/thickener with...
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