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OT: Hydraulic powered chainsaw

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  • #16
    The tree service came to remove two trees in our side yard. One a 40 foot blue Spruce, the other a large soft maple 3 foot dia trunk. Two guys a truck and a boom with a robot arm pincher and the hydraulic circular saw. One guy with a wireless remote controlled the robot arm the other guy made sure things got picked up and in the chipper. Two hours later they are done and pulling out.
    Retired - Journeyman Refrigeration Pipefitter - Master Electrician - Fine Line Automation CNC 4x4 Router

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    • #17
      Originally posted by IanPendle View Post
      As well as being very powerful for their size, they have another advantage - they can be used underwater.
      I knew a fellow that plied the waterways around San Francisco Bay, with a pile driver on a barge and a tugboat. He did salvage work and replaced pilings.
      I helped him out once, running a huge 1 man, reciprocating piling saw, used for underwater work. Later he gave it to me, figuring i would use it for my many dock side projects. Still have it. Savage looking thing. A Klingon could carry it into battle.

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      • #18
        This is also cool
         
        Helder Ferreira
        Setubal, Portugal

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        • #19
          Originally posted by Black Forest View Post
          This is a hydraulic chainsaw I made for my excavator. It works great. I now can rotate the saw to cut at angles also.
          https://youtu.be/1PFG6jLU5cY
          Oh, dammit, now I have to do that! That's brilliant!

          'Honey, I'll be out in the barn for the next 3 weeks- send the UPS guy my way when he shows up with the crates, ok?'

          t
          rusting in Seattle

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          • #20
            Originally posted by Tobias-B View Post

            Oh, dammit, now I have to do that! That's brilliant!

            'Honey, I'll be out in the barn for the next 3 weeks- send the UPS guy my way when he shows up with the crates, ok?'

            t
            It is not so hard to build actually. The most complex part is the oil pump for the chain. On mine it is built sort of like a spring loaded syringe. When the valve is activated to supply hydraulic oil to the saw motor a hydraulic hose that is Tee'd into that hose pushes down the plunger that supplies an adjustable amount of oil to the chain. The chain oil is in a canister and when the saw motor is stopped and relieves pressure the spring pushes the piston up which sucks oil from the canister. It is very reliable and works a charm.
            Location: The Black Forest in Germany

            How to become a millionaire: Start out with 10 million and take up machining as a hobby!

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            • #21
              Farmer that I worked for as a teenager had one of those, on a 10-foot pole, IIRC it cost around $600 at the time, worked very well on the tractor hydraulics.
              25 miles north of Buffalo NY, USA

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