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Thread: Hydraulic Log Splitter WIP
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9th Oct 2018, 12:48 PM #106Most Valued Member
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Short video of the engine governor at work.
https://www.youtube.com/watch?v=gQ5H3Ls8I8I
Cheers,
SimonGirl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.
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9th Oct 2018, 01:23 PM #107Senior Member
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Great result Simon !
You could probably get rid of that remaining small overshoot by adjusting some combination of the gain and stability trimpots, but it seems fine as it is.
Thanks for posting up the video, it's great to see the unit in action.
Graham.
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13th Oct 2018, 08:11 AM #108Most Valued Member
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Thanks Graham. Given the trouble I have had in the past, I'm a little hesitant to aim any higher. I'm pretty happy with what I have now.
On a side note, I mentioned that in setting up the governor, it did some unpredictable stuff including revving the ringer out of the poor 35 yo engine (also the hydraulic pump is only rated to 3000 rpm according to the manufacturer). The other day I noticied an engine knock that steadily got worse and worse and my worst fears were that these excessive engine speeds had taken its toll and damaged the engine. Thankfully, on closer inspection I noticed that the flywheel bolts had worked loose and it was the flywheel making the noise!
Its a PITA to redo the flywheel bolts due to the setup but it's a better result than an engine bearing! It maybe because I put anti seize paste on all the bolts on this machine including the flywheel bolts. I think I will swap the anti seize for locktite this time round and actually use a torque wrench!
SimonGirl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.
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13th Oct 2018, 03:58 PM #109Most Valued Member
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Flywheel bolts re-torqued to 65 Nm and locktighted in.
Also took another pic, this time with the flywheel attached.
Simon
Girl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.
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13th Oct 2018, 04:08 PM #110Novice
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Been fantastic to watch this come together Simon, lot of hard worth in that. Looking fwd to seeing YouTube of it splitting fireweek. Cheers Leigh
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14th Oct 2018, 02:47 PM #111Most Valued Member
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Thanks Leigh. It's been a bigger and more difficult project than I anticipated. Mind you I think I made it that way! Some of the parts I have done twice or even three times due to either me not being happy with the result or the fact I stuffed it up and had to re-do it. I have learnt a lot along the way but in all honesty it has been a slow and expensive project. It would definately have been cheaper to buy but I guess that's not always the reason for building projects. I spent over an hour spitting the last of our wood last night and it was just so comfortable and reasonably quiet to use. That part of the design I could not have bought, that's for sure.
A few more things to do yet, but they are mostly ancillary. Things like radiator mesh in thermo fan (thermo fan because I have one spare) mounting, mudguards, swap out the over spool valve handle for another homemade one, overhead LED lighting for night use (just because I can), sound system and drink holder and I should be pretty much done.
Cheers
SimonGirl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.
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14th Oct 2018, 07:39 PM #112Novice
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Might need a fridge then!
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14th Oct 2018, 08:25 PM #113Most Valued Member
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Yea. It had crossed my mind...
Sent from my SM-G900I using TapatalkGirl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.
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15th Oct 2018, 11:23 AM #114Most Valued Member
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Well done simon, how much fuel did it use in the hour that you used.it?
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16th Oct 2018, 03:45 PM #115Most Valued Member
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Hi Shed,
fuel usage is a factor that im interested in regarding the splitter too. I'm still not sure of the approximate fuel usage but my gut feeling is that it uses a bit more than a smaller stationary engine but not a massive amount more. I think that because the machine is very comfortable to use, it splits wood at a faster rate and so the fuel usage per tonne is comparable to a smaller splitter. After the last use I filled the tank full and will not use it again until I install the hour meter I have for it. Then I can get an approximate useage in terms of litres per hour.
I don't have anymore wood to split ATM but I do have a trailer load at my sisters place ready to be picked up so I will test the usage then.
SimonGirl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.
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16th Oct 2018, 05:29 PM #116Diamond Member
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You could always convert to gas and use BBQ lpg cylinders.
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16th Oct 2018, 06:22 PM #117Diamond Member
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I have done that with my forklift (Hyster with 6 cylinder continental) because i couldn't find a easy way to get forklift bottles. Works ok up to about 1/2 throttle, but surges after that as the vapor draw from the bottle cant keep up (proper forklift bottle draws liquid).
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16th Oct 2018, 06:27 PM #118Most Valued Member
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16th Oct 2018, 07:18 PM #119Most Valued Member
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Interesting idea. Given the usage, I can't see any advantage to running on LPG in all honesty. Hey shed, if you invert the LPG bottle so that it's liquid withdrawal dont you then need a converter and connect it to the cooling system?
SimonGirl, I don't wanna know about your mild-mannered alter ego or anything like that." I mean, you tell me you're, uh, super-mega-ultra-lightning babe? That's all right with me. I'm good. I'm good.
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16th Oct 2018, 08:35 PM #120Most Valued Member
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I think snapatap would be using a converter, you need something to regulate the flow and pressure.
As for the cooling system connection.... yes you need a way to stop the converter from freezing up, especially when cold and you apply some throttle.
Some years ago to charge my solar batteries and supply power to the inverter for my house i fitted a 24 volt alternator to a 9 hp honda motor and run it on house bottle gas, i used a car converter that i took off a 250 falcon. I put a spud in the air cleaner tube and used a ball valve in the hose between the converter and spud.
I put a regulator on the bottle that dropped the pressure to 60psi and then another reg at the converter that dropped the pressure down to 20 psi into the converter, it never froze up even on the coldest frosty/icy mornings.
In the middle of winter it would run 2hrs in the morning and 2hrs at night and cost 10 bucks a week to run.
ps...at the time, in the 90's, it was 45 - 50 bucks to fill the house bottle and a bottle would last 5 weeks.Last edited by shedhappens; 16th Oct 2018 at 08:43 PM. Reason: more info
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