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  1. allmark

    Crane accident...

    If the crane operator requires competent and experienced personnel.........Qualified riggers and signal person per his contract, but fails to verify that, I would think that makes them negligent as well.
  2. allmark

    Attention Grapple Saw Truck Owners

    I would contact them. They are good people and know there stuff.
  3. allmark

    Standing Pieces Up

    I think it is a vlid technique in the right situation. Used to do it all the time years ago but prefer to balance most of the time now. I still stand some up though when it seems the best option at the time.
  4. allmark

    Interested in hearing from the crane experts around here...

    When you refer to snap cut do you differentiate that from a bypass cut. I use these regularly and no shock loading. Knowledge of species is important though.
  5. allmark

    Interested in hearing from the crane experts around here...

    This is why there are jibs and extensions for cranes. If that isn't enough rig it into the tree and then pick it out. At 21:12 he cut vertically toward his lifelines. They are picking in the air at 85% of capacity(4800# piece at 5600# capacity). Z133 states 75% as these are critical lifts...
  6. allmark

    Crane slings

    Tied Knots reduce the breaking strength of any rope. I made 1/2 inch slings from am steel Blue and broke test them (with no lock stitching on the splice. The rope broke at the knot just above 15,000# much less than the breaking strength. but with a 5 to 1 safety factor I rated them at 3,000#...
  7. allmark

    Crane slings

    Can you clarify what you are considering "Chokers" I understand this is a common term that comes from the manner in which a sling is attached but what slings are you using? Thank you.
  8. allmark

    Shorted on rope

    Yes it did https://www.treebuzz.com/forum/threads/outa-rope.42126/
  9. allmark

    Any feedback on the Altec knuckle boom ?

    Altec has cranes there
  10. allmark

    K-Boom with fixed rotating grapple?

    That looked very inefficient the way it was used. The problem I see is potential stress on boom if not properly designed and no saw guard which leads me to believe it is adapted.If you look at 2:15the jib extension cylinders were overloaded (causing the boom section to pull out) by retracting...
  11. allmark

    Crane accident...

    They would also need to be rated for lifting. but definitely time consuming
  12. allmark

    Outa rope

    I agree and they did
  13. allmark

    Outa rope

    I believe the seller should definitely be held accountable since it was labeled as 150’. That doesn’t exclude the byer(me). I did an inspection as I always do with new gear. Checked the label and the rope, but I should have also checked the length as well. In the end it is the purchaser that...
  14. allmark

    Which grapple saw crane?

    ALtec is the North American Distributor for Effer Cranes. The smaller cranes will not be phased out here. I was recently at Effer facility in Italy and their parts department has changed and is much more customer oriented. Altec is also increasing their Effer parts here. I would not be...
  15. allmark

    Outa rope

    I could not drop off the end My hitch was tight to the knot. I was able to get up on the root flare enough to unclip
  16. allmark

    Best knuckle boom for this application

    Your best bet is to start talking with the dealers who sell them. They have programs that can show you what you can do
  17. allmark

    Outa rope

    This weekend I competed at Legends. I purchased a brand new rope with a spliced eye. 150' The very first climb I made on the rope was in one of the work climbs with a 62' TIP Rang the last bell and headed for the target when 4' above the ground my hitch came to a stop at my stopper knot 12" from...
  18. allmark

    Legends 2020

    Im signed up
  19. allmark

    Saw this ad. Thoughts?

    They will save money on food when the kid gets sucked into the chipper from placing both hands in it
  20. allmark

    Knuckle Boom Main and Jib Sections

    I think looking at a load chart will show you best. If yo can handle the weights you are looking at lifting how you put them down will vary greatly from job to job If manuals are an option I would get them whether it is a small or large crane. The extra reach will allow you to take a smaller...

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