woodslinger
TreeHouser
Thank you Burnham, your advice is duly noted. Its not on my immediate purchase list, but when its comes to it I now know that 8k will do and the more the merrier.
Wall of Shame: Wannabe Experts
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SouthSoundTree-
TreeHouser
- Joined
- Sep 24, 2014
- Messages
- 4,941
You can always add MA. Add a 2:1 on a 2:1 and you can get 4:1 with only (2) single-sheave blocks.
If everybody used a load cell routinely when they did things, it would really inform what we did much more quantitatively. Suppose something is too much for two guys pulling, maybe 350-400 pounds of force, so you put the truck on it, you can't tell if it took 450 pounds of force to pull something over, or 500, or 550, or 800 pounds...
Seeing August's load cells in action in that video was very interesting.
If everybody used a load cell routinely when they did things, it would really inform what we did much more quantitatively. Suppose something is too much for two guys pulling, maybe 350-400 pounds of force, so you put the truck on it, you can't tell if it took 450 pounds of force to pull something over, or 500, or 550, or 800 pounds...
Seeing August's load cells in action in that video was very interesting.
woodslinger
TreeHouser
That does seem to be a very useful tool to have. That constant running info of what we are actually pulling vs what we THINK we are pulling would be Very handy in taking the guesswork out of many situations. Its a tad pricey for me at this point though
pantheraba
More biners!!!
You can FF to 1:20 to see it go wrong:
<iframe width="420" height="315" src="https://www.youtube.com/embed/Mfo3-5QCq7k" frameborder="0" allowfullscreen></iframe>
<iframe width="420" height="315" src="https://www.youtube.com/embed/Mfo3-5QCq7k" frameborder="0" allowfullscreen></iframe>
MasterBlaster
Administrator Emeritus
Genie ass!
MasterBlaster
Administrator Emeritus
<iframe width="640" height="360" src="https://www.youtube.com/embed/VDfoNq5jrOo" frameborder="0" allowfullscreen></iframe>
squisher
THE CALM ONE!!!!
Wow. Seemed like the operator just froze up? Would a computer have shut the crane down?
SouthSoundTree-
TreeHouser
- Joined
- Sep 24, 2014
- Messages
- 4,941
In what way froze-up? Not cabled-down in a hella hurry?
pantheraba
More biners!!!
CAN you just dump a load? Fast enough to prevent that?
MasterBlaster
Administrator Emeritus
Not really. Just winch down and floor the accelerator...
squisher
THE CALM ONE!!!!
I've never run a crane. Guess I was thinking it operated atleast somewhat like a yarder? While it was balanced, sort of, seemed like you could've been cabling out for all it was worth. I don't know if booming down would've helped at all too? Seems maybe not?
Trying to keep it all steady and hoping for the best still? A gross miscalculation of branch Union weight vs straight trunk wood?
Trying to keep it all steady and hoping for the best still? A gross miscalculation of branch Union weight vs straight trunk wood?
BlackSmith
Uncivil
Yes, if the crane is equipped with free fall and a for real operator. Been me the wood would've been on the ground before I picked it.
murphy4trees
TreeHouser
I think you can't or aren't supposed to boom up or down with a load... ... you gotta wonder why they didn't dump the thing on the lawn, or put the crane closer.. two crane days seems like a lot.. not the first tipped crane I've seemed whenthe tree is right next to an open lawn... gotta wonder are they trying to protect the lawn, or look all professional, or run the bill up...
CurSedVoyce
California Hillbilly
Yes, you would have to cable down, not boom down
MasterBlaster
Administrator Emeritus
Of course.
BlackSmith
Uncivil
You can do whatever you want as long as you stay on the chart.
rbtree
Climbing Up
- Joined
- Jun 22, 2005
- Messages
- 1,924
Big wood! I don't think that's a 70 ton crane, though... too small of a boom, not enough axles, didn't see add on counterweights.... maybe a 40-50 ton... at that radius, it was probably only good for 6-8000 lb....
At least the structure survived.
At least the structure survived.
treebilly
Student of the Jedi. OH-7106A
I would've thought from seeing the flex in the boom someone would've thought this ain't good.
You can do whatever with the boom if you stay within the chart. This was not a good example but some clients will pay dearly to not put a mark in the lawn.
You can do whatever with the boom if you stay within the chart. This was not a good example but some clients will pay dearly to not put a mark in the lawn.
MasterBlaster
Administrator Emeritus
Too far away, too low the angle, too heavy the pick.
rskybiz
TreeHouser
From my armchair winch out boom in once it started it could have been saved. I'm with everybody though on lay it out plenty of pace to do so.
sawman
TreeHouser
One more pick before lunch??
NHlocal
TreeHouser
I don't have any crane experience but, right from the beginning it looked to me like a too far reach for too much weight???
Didn't look like the crane had a chance once it slipped off the trunk and the full weight dropped into the cable.....
Didn't look like the crane had a chance once it slipped off the trunk and the full weight dropped into the cable.....
