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chickenminer
20:14:25 Mon
Mar 11 2013

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Re: Excavator Ripper

Quote: baub at 16:38:25 Mon Mar 11 2013


What I dont like is ridicule.
Not one of you experts thanked me for my efforts. I see no reason to continue posting .
b


Bob,
No one likes ridicule and there is no reason for anyone to ridicule you.
Your ideas may indeed help someone else out, but they really are not practical for my application.
I realize you have no experience with permafrost and it would be hard to comprehend the conditions. This is possibly a fault of mine for not laying out more ground work.
Frankly though, I was not asking for a treatise on permafrost removeable methods. My question was straight forward and simple.
Sorry if you feel ridiculed and if I contributed to that in any way please accept my apology.



---
Dick Hammond - Chicken, Alaska
Chicken / Stonehouse Creek Mining
Chickenminer.com
 
 
chickenminer
02:35:08 Tue
Mar 12 2013

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Re: Excavator Ripper

Quote: sabretooth at 17:57:23 Fri Mar 8 2013

Dick rippers are hard on the cylinder seals and hyd hammers do not work that well on frozen muck. Have a look at this.http://www.youtube.com/watch?v=K3CvOvA0L9U&list=UUaI1ds8kDMS3HhvoLMD8H6A&index=35 Look up Xcentric rippers


Sabretooth....
Well I got ahold of the NA distributor for the Xcentric ripper.
Those boys are mighty proud of their product. The price quoted me was .... GASP ... $77,000 !



---
Dick Hammond - Chicken, Alaska
Chicken / Stonehouse Creek Mining
Chickenminer.com
 
 
chickenminer
02:53:16 Tue
Mar 12 2013

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Re: Excavator Ripper

Quote: dredger at 05:29:07 Sun Mar 10 2013


Dick, I wonder if you can tell us about your machines, I think you share my feeling that there is nothing better than having a good size excavator, except having 2 excavators,
:smile:
And if you decide to rip, could you tell us the rest of your work plan, and how many other machines you are planning to use, ?? please.
And I am also wondering how much operating you plan on doing yourself, ??.
Phil.
:smile:


Phil ...
Well it is a one-man show here. I do everything now that my daughters are grown and out of the nest. Every once in a while I can get my wife to run an excavator. :smile:

Yes indeed excavators are the supreme mining machines!
I also have a D-7 and a Cat loader. My Hitachi 200 class in an older UH083LC w/ PSM thumb and 1 yd bucket. The EX300LC-3 has a PSM thumb also, 1.5 yd bucket and it has the JRB quick coupler so changing from bucket to ripper is not a big deal.

I will try and post a photo of the area I am working and what I plan, so you can get a better idea.



---
Dick Hammond - Chicken, Alaska
Chicken / Stonehouse Creek Mining
Chickenminer.com
 
 
dredger
12:05:20 Tue
Mar 12 2013

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Re: Excavator Ripper

Dick,
Sorry to hear you lost some good free operators, HaHA,
Great idea about bonding with the wife on excavators, cheaper than getting married to her again, wish I had of thought of that,smile: you will have to get your wife a maid,
So happy to hear the 300 has a quick change, very happy for you mate, we are getting too old for doing it by hand, and my other passion, a cat loader, I have had lots of fun times, MMMM, am looking forward to your pics, please,
I thought the x-centric as seen on utubewas a bit slow and the machine weight still had to relied upon, still shaking the machine, I watched a few utubes on the x-centric in other situations, I thought the frozen ground ripping method on utube was carried out in the wrong direction, with the machine tracking over the ripped gravels, wrong method all together. and I thought he was using a ripper like a jack hammer, ( only allot slower), then using the ripper like a jack hammer pick, but if , and I mean if they used it a different method, I would bet good money, ( at least $5, ) the x-centric would be faster and stronger then ????, well let’s say there are three concepts of a ripper function, 1, the standard ripper and a effeiciet method, , 2, the standard ripper used with a rocking motion with in the ripper as the ripper is pulled and forced through the material, three degrees either way, this is controlled by the operator, 3, the x-centric, which rocks slightly, with allot of force and fast, and less control from the operator, $77,000, ouch, you could make u own or maybe better, , or better still go with the operator controlled rocking on the standard ripper, works for me,
I would also suggest you build your own ripper too, much cheaper than buying one, out right, just think of it as making a ply wood replica. Which you disassemble and use as the pattern, you have the ears on your bucket, pins, to copy on to the pattern, to send to metal laser cutter, then on to a welder, then back to you, or buy second hand, ??.
Also I suggest you should consider the ripper tooth, or the shape of the tooth, , I will find some examples.



Also you could hard face build any shape tooth you can imagine,
also there is the ripper shank, above the tooth, perhaps a sharp edge will help crack the ice, ??.Worth thinking about, ?.

As for your bulldozer I am guessing it will last longer then you if you just use it as a pusher not a ripper, older machines were really designed to push, which the operator is in good control, he cannot control the ripper much at all, let alone see it, I guess again in thinking it has been a great machine and old friend to you, so why bust its guts now, ??. And certainly a dozer would be useful for easy pushing on your next dig,
Also I am fascinated about how hard is your frozen muck, ??, I am assuming muck being basically very old layers of decaying vegetation, similar to New Zealand, except yours is frozen many times over, ??. Over similar placer deposits, ??.
As you know, I know little about Alaska frozen muck, but I think you have a fair chance of ripping it, fast enough to get good progress and production, but my line of thought is the method of operation, must focus on ripping with excavator, not ripping with a dozer, using a excavator, which in my opinion are apple and orange,
How deep is it though the overburden gravels to pay gravel after the muck, ?? please. In New Zealand I saw 100’ and 300’ deep to the pay gravels, Big operations,
Phill.
Hey Bob, mate,
I appreciate your brainstorming heaps, I hope you will rest up until ya teeth are ok , and get back to helping us as you have always done, , please, I am having some mad chainsaw ideas, 350hp, bit smaller then the cutter head in the pics above, there may be a particular application, ??.
However if you feel you have to leave, I thank you very much for the many good times and laughs, as well as heaps of stuff I learnt from you in over a thousand posts over ??. 5-6 years, hope we can stay in touch,
Phill.

  
steve62
13:13:18 Tue
Mar 12 2013

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Re: Excavator Ripper

Geo,

I agree that Water is a very good option if the run-off can be contained. Here's a variation on Water I'm currently working on - A good friend of mine has a Demolition Business which specialises in the removal of Concrete Structures, Foundations etc. etc. They cut the Concrete with Water. I've been out to a Job to check it out and it may be a bit dangerous for the average Placer Mine. ( No offence to anybody ) Comes out at very high pressure as you can imagine and could be a very nasty accident if it went bad but really any sort of work with Heavy Equipment or Explosives carries inherent risks. But talk about power. The interesting thing is that the Water, under that much pressure, comes out HOT. I'm trying to devise a way of cutting the Muck out in Blocks and using the Excavator to get the Bucket under the edge and try to upend the carved-out Blocks.

Plan B - Ever seen Marble being cut out in big Blocks using a long length of Diamond Wire ? Obviously you would have to cut several Trenches through the area you are stripping but it may be a viable option if we can get good wear from the Diamond Wire. Irrespective of any of the above ideas, I don't think any of us will shift too much Overburden without a big Dozer. Even if our collective wisdom manages to find a way to Chunk / Block / Rip / Blast / Trench / Wash / Cut / Saw or shovel away the Muck, we will still need a Dozer to move it out of the way and then push it back for reclamation.

Keep the ideas coming though. Perhaps somebody will see a way to adapt and improve on an idea which one of us puts forward. The next step then will be to test it in the field. Good luck. Steve.

  
popandsonminers
15:36:59 Tue
Mar 12 2013

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Re: Excavator Ripper

Dick, An interesting thread you started! If you're not in a hurry, you could explore thawing the permafrost with cold water. Maybe you already know, but it was used extensively in front of the bucket line dredges. Google ""cold water thawing" permafrost". There may still be some old-timers around that can coach you. Could it work to use a little track drill, a little water pump, and enough time to just "soften" the permafrost enough to use your excavator bucket?

Bob, Yes, there are some socially awkward folks on all forums! I think if you don't experience their ridicule, you're not creative enough--- Hope you can overcome it, as I join the others in saying I've really enjoyed your contributions over the years.


  
Jim_Alaska
16:00:35 Tue
Mar 12 2013

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Re: Excavator Ripper

Baub,

I just had to chime in here and say that I have personally appreciated your input over the years. I looked back through my logs and see that you have been with us since 2008 and have over a thousand posts to your credit. I value every one of them.

I would just like to mention something I learned very early on in my Internet history. And that is that many times when someone posts, or even writes an email, their attitude and motives are not always clear.

Sometimes what they write comes across to others as abusive, sarcastic, or condescending when they really didn't mean it that way at all.

When we are speaking face to face we see body language, we hear the exact tone of voice and we are able to make eye contact. All of these things work together to give the other person a very real sense of what is being said and why.

We lose this very important part of communication when typing something out, and hence there are many times a misunderstanding on the part of those reading what has been written.

I said all this to say that I don't think anyone here meant anything out of the way in their responses to you. I didn't see or read any response to this thread as anything but trying to be helpful and provide relevant information. A few even attempted to try to clarify Dick's situation and expand on his unique operation.

I hope you will stick with us, I know that I, as well as others on the forum, value your input, friendship, and thoughfullness.



---
Jim_Alaska
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chickenminer
19:05:08 Tue
Mar 12 2013

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Re: Excavator Ripper

Steve...
Yes I am well aware of the cold water thawing method. I have used it in the past setting a series of points to perforate an area.
It was before I had an excavator. After perforating an area I used the corner bit on the Cat blade to break out chunks.

I may very well try that approach again, only using the excavator ripper this time which I am sure will be a lot more effective.



---
Dick Hammond - Chicken, Alaska
Chicken / Stonehouse Creek Mining
Chickenminer.com
 
 
geowizard
21:10:28 Tue
Mar 12 2013

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Re: Excavator Ripper

I'm the poster boy for getting beat up on forums. :welcome:

Hello!!!???

I learned early in my professional career - working in engineering, there's a world full of "engineers" that have to "analyze" your design. I have worked for engineering companies that included as part of the design approval process a critical design review!:smile:

You stand up in front of a group of lead engineers and do a power point presentation.

Then they pick your ideas apart - That's what makes the process BETTER!

The liberal view - well, we all start out better than average. Everyone gets a grade of A+ . That concept started in the school sysem in California - another social experiment.

1. Step up to the plate.

2. Present an Idea.

3. Be prepared to get challenged.

4. Defend the idea or agree and dismiss it.

Ridicule is what drove Jonathan Livingston Seagull to the next level of perfection!

http://en.wikipedia.org/wiki/Jonathan_Livingston_Seagull

http://www.youtube.com/watch?v=rm2hYRQEOHM

- Geowizard
[3 edits; Last edit by geowizard at 21:33:23 Tue Mar 12 2013]

  
chickenminer
22:27:36 Tue
Mar 12 2013

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Re: Excavator Ripper

Quote: geowizard at 21:10:28 Tue Mar 12 2013

I'm the poster boy for getting beat up on forums. :welcome:


'Cuz you deserve it! Come on Wiz .... get back in line. You're
straying off topic AGAIN.

BTW ... we all know JLS was a freak :smile:



---
Dick Hammond - Chicken, Alaska
Chicken / Stonehouse Creek Mining
Chickenminer.com
 
 
geowizard
22:51:16 Tue
Mar 12 2013

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Re: Excavator Ripper


Ouch!!!%%&@ :smile:

:thankyou:

- Geowizard

  
chickenminer
23:13:03 Tue
Mar 12 2013

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Re: Excavator Ripper

Phil..
I'm not so sure slow is a bad thing when it comes to use of a ripper. I liked the look of the Xcentric, but no way I would sink that kind of money into an attachment w/o a test drive on my turf.
So... back to a plain jane variety ripper.

Here is a photo of my workings last summer. I worked the creek bottom. This creek has all been heavily hand-mined. Some open cut, a lot of drifting. You will notice there is little room.
To the left (right limit) is the bench I need to strip.



Here is another view. Shows the bench. I plan to work it in about 10,000 sq ft sections, 50'x200'. The pay goes back abt 50' from the face. Depth to bedrock in the back will be around 22 ' Looks like 15' of muck, the rest a gravel combination. The muck is far from clean, full of vegetative matter and basalt rocks.
The bench has at least a 25 degree slope, making it very tricky to operate equipment on. Anyone that has run tracked equipment on a frozen slope knows about the 'pucker factor' involved!



So I am looking at ripping the muck to haul away. Much nicer to handle it while frozen.
This SEC ripper is fairly cheap. About $2,000. But I have heard bad reports on the SEC brand. Although for 2K it may be worth it to buy and immediately beefed it up before use.



A couple other options are the Geith and USA Attachment rippers. These run about $5,000 each.





There you have the basics.



---
Dick Hammond - Chicken, Alaska
Chicken / Stonehouse Creek Mining
Chickenminer.com
 
 
dickb
06:05:15 Wed
Mar 13 2013

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Re: Excavator Ripper

I like the design of #3 the best, but I don't think it's beefed up enough in two places. The pin and bushings on #2 look stronger and more bearing surface and the connection between the ripper and the base plate seems more substantial. If I were to get #3, I would add 1'' stock to each side of the ripper tooth at the leading edge to help with twist. Then beef up the connection at the base plate. Not a lot you can do with the bushings, but if you can order some extra inserts and spare teeth, I think it would be a good move.
Dickb

  
dredger
08:53:37 Wed
Mar 13 2013

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Re: Excavator Ripper

Quick Dick, :devil:

http://www.ebay.com.au/sch/i.html?_sacat=0&_nkw=ripper&_pgn=4&_skc=150&rt=nc

Just up the road from me, I wonder how much frieght, :confused:

  
dredger
09:17:39 Wed
Mar 13 2013

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Comes with pins too.:smile::smile:

  
baub
12:34:58 Wed
Mar 13 2013

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Thanks for the feedback guys. I overreacted to an imagined slight or two. Actually they were triggers that knocked the accumulated chips off my shoulder, and insignificant in their own right.
My apologies to all on the Forum for a public display of pique and bad temper.

baub

  
Jim_Alaska
16:23:59 Wed
Mar 13 2013

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Great post Baub, and right in line with your giving, helpful character over the years.



---
Jim_Alaska
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overtheedge
17:39:06 Wed
Mar 13 2013

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Re: Excavator Ripper

I agree with dickb for all the same reasons except one; the choice.

I would consider ripper #1 the top choice for several reasons.
1. It appears to be mid-length among the 3 choices. You will only get so much penetration and still be able to rip. Ergo, no more length than necessary because you will bump the traverse during ripping.
2. Price is less than 1/2 the others. You could buy 2 and put the rest towards shipping. A spare _______ (fill in the blank) is always handy.
3. The shank appears a bit wider. See #1 for why.

That being said, I would sure consider a few pounds of welded on wear surface for the shank.

But you are making the decision. Typically the person with the best information wins. I can see your problem deciding with this being March and time running out to order.
eric

  
dickb
18:13:43 Wed
Mar 13 2013

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Hi OTE:
I agree with the points you present. The reason I chose #3 is when I saw the bench that Dick intends to rip. I feel that he will be using the ripper to cast the ripped muck to the sides with the ripper. Obviously, it would be a bad practice to try and swing as the ripping stroke was being done. It may also be that we are looking at a tool that was designed for a different machine and the one designed to fit the hoe that Dick has, may be different than the pictured one. As to the point that a shorter shank would be better, I definitely agree to better utilize the power of the machine at the end of the tooth while ripping.
I have always found that brainstorming turned out to be a good idea. The more input, the better the choice will be. Knowledge is power,
Dickb
[1 edits; Last edit by dickb at 18:16:42 Wed Mar 13 2013]

  
chickenminer
18:42:39 Wed
Mar 13 2013

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Re: Excavator Ripper

Phil,
Some nice designs show up on the ebay.au site! I gotta believe freight would be a killer. Food for thought though.



---
Dick Hammond - Chicken, Alaska
Chicken / Stonehouse Creek Mining
Chickenminer.com
 
 
chickenminer
18:59:56 Wed
Mar 13 2013

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Re: Excavator Ripper

Eric/ Dickb...
I have to agree with both of you. I'd like to incorporate the best of each.
The SEC brand gets a bad rap for the use of light materials.
But the price is hard to beat. I can see buying one and just beefing it up before use. It is hard to imagine the incredible power of a 300 size hoe until you are in the operators seat. So it MUST be built stout.

Dickb... you are correct, ripping has to be a straight motion.
I will be approaching this from one end of the bench. The ripper won't be used along the face to pull down material. Ripped material will be moved out with a loader.



---
Dick Hammond - Chicken, Alaska
Chicken / Stonehouse Creek Mining
Chickenminer.com
 
 
dickb
05:11:17 Thu
Mar 14 2013

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Re: Excavator Ripper

After seeing the picture of the bench, I suspected you would start the cut on the up stream end at the 50" line. Cutting a flat road along the back edge, casting toward the creek. Then widening the flat cut as you ripped and hauled.
My thought would be to build a berm about 65' back to divert water from the face of the cut down to the creek. Mainly to keep the face of the cut vertical and from falling in on you. You are looking at 30 to 45' of face by the time you get to bedrock..
That being said, how will you work the next block down stream? Looks to me as if the grade rises as you move down stream.
Just curious.
Dickb

  
dredger
08:34:32 Thu
Mar 14 2013

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Re: Excavator Ripper

Dick,

Great pics, thanks for sharing the action,

You say,
I'm not so sure slow is a bad thing when it comes to use of a ripper.
I totally agree, true words of wisdom, and am happy to hear you plan to use the loader to clear the ripped materials, meaning you won’t waste time changing back to the bucket to clear ripped materials,
(OH, by the way, I just read somewhere that those types of design (powered ripper) has a tendency to break the shank at the tooth, makes sense too, )
Your excavator, appears to be a short stick or short dipper, and a short boom, which results in the optimum break out forces for digging hard packed rock with a rock bucket or straight ripping, :smile: meaning that is a great advantage to you, on the other hand the machine has the minimum digging depth, which with a little fore thought is not a problem any way,
Your choice of ripper length is optional, 36" long gives more break out force then a longer 48", but the loss would be hard to define in the field,
Dick please note, very important tip here, the three pics of rippers above, the first 2 pics show half the length shank, and the 3rd pic shows wide shank, which is welded full length of the head plate, I highly recommend the wide shank, there are many situations where wide shank is very handy when using a ripper, as a sort of curled up, grader / pusher blade to sweep cu yds of soft loose materials to one side,

if you think about, using the slew motor and gearing to side sweep light materials aside is not a prob , we use the bucket to side sweep materials and levelling, Most of us can side sweep a large rock out of the way, most operators can and do, and from a plant mechanics point of view, is very unlikely to break a slew ring gear of slew motor drive gear, drive motor, control valve bank relief spring, gear or piston pump, hardly any extra wear if you keep the line of thought, “ gently but firmly “,
So a scenario could be and I refer to your last pic with directions, and I would like to borrow your machine and your new ripper, i move the machine back above where you indicate you will start work , ( to the far right of pic and in the gully),

I would drop the ripper out of the bucket, and slip the bucket off somewhere safe and hitch the ripper, and move and get up close the banks, set the throttle to just over half, with the ripper I would rip most of the surface veg layer a foot either side of the excavator track width, I would expect being a frozen lumpy surface, it might be a little bumpy, then I would fold up the riper and side sweep the loose materials / veg aside, from left to right, clearing a patch and the beginning of the road, once top layer is swiped aside I would expect a greasy frozen mess surface, which I would scrap deep groves say 4" deep, disturbing the slimy surface, hard as a rock, then I would again fold the ripper under, and side slid larger rocks or broken chucks of ice and muck, to each side, and finally spread the remaining crushed ice and muck smoothly and level, once the first section is ready, maybe 15' in length up the bank, I would reach up higher with the ripper, sink it in, and pull, lift and walk the machine onto the prepared pad, or first section of the road, and then keep clearing sections in the same method , I would also back track over previous completed and levelled sections to pack the crushed ice and muck and leave deep grouser imprints in the road, these should freeze up again, and provide good traction at a later date, or to bring the machine back down, about 25 feet of road length up the hill, I would start ripping deeper on the right side and turn the road to the left and up downstream, ripping enough materials to sweep across, to level the road, and once parallel and heading back up the river, ( left of pic), I would add a few degrees incline back into the hill on the road surface, By this time I think you would be surprised at how quick the road was made, how when frozen back again will provide excellent traction for a long frozen time, perhaps a firm base to rip from, all done pretty quick, just takes practice, and because there was no time wasted changing back to the bucket, then back to the ripper,
LC and wide grouses, or track plates, excellent for alluvial gravels, and mud, sands, my observation here is the wide tracks float higher over the gravels and do not get or let that much fine grit back on to and in the track chain pins, and grind them up, please note dozer tracks are thinner, and tend to dig deep in the soft gravels, encouraging gravels to fall on to the inside of the track, and continue to ride there ??.
Also in considering your slippery situation I am relieved to see you have the full width thumb, hyd too, ouch, I have worked in deep soft mud, so we used nice solid thick logs, to give a work platform, once I used a machine that was fitted with a thumb, and it was just so easy to move the logs around as you worked, got allot more work done not having to fiddle around, so it occurs to me that in freezing slippy conditions a good thick log or logs may help, ??.
Dick for the benefit of the new guys, I would like to post some bits and suggestions on excavators, and a pic of a ripped excavation, and my some suggestions, here is the pic,

Phill.
Testing.
[1 edits; Last edit by dredger at 08:39:37 Thu Mar 14 2013]

  
dredger
09:04:39 Thu
Mar 14 2013

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Re: Excavator Ripper

Hey Dick,

I just got back a reply from the e-bay ripper,


Hi Phil,
Photos on there are for 20 tonne and 30 tonne
We have from 3 tonne up to 45 tonne
Cheers,
Matt
Regards,
BETTA BILT BUCKETS

1300 699 888
F (02) 8088 7888
M 0423 669 888
E sales@bettabiltbuckets.com.au

No mention in any difference of price, ??.

  
chickenminer
05:11:29 Fri
Mar 15 2013

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Re: Excavator Ripper

Dickb...
The photos are more a representation. Actually I will be at the lower end of this bench and move upstream.
The face of this cut shouldn't be more than 20-25'.
The next cut going upstream will be worked basically the same.
Only I will have more elbow room once the lower cut is stripped and sluiced.



---
Dick Hammond - Chicken, Alaska
Chicken / Stonehouse Creek Mining
Chickenminer.com
 
 
chickenminer
05:30:50 Fri
Mar 15 2013

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Re: Excavator Ripper

Phil...
The excavator in the photos is the 200. Yes, it has a short stick but I don't plan to use it for ripping.
Here is the 300.


I hear you on the ripper shank size. That is what worries me on the SEC model and would have to be beefed up considerable.
The USA attachment ripper is the most stout looking of all.
The company is horrible at answering inquiries though! Two emails sent asking about price and shipping quote ... still no answer!

The thing about ripping muck is it starts to thaw as soon as you rip it. So to avoid having a big slop pile I pretty much have to rip a little, then cast it to the side with the tooth as you suggested and grab it with the loader.



---
Dick Hammond - Chicken, Alaska
Chicken / Stonehouse Creek Mining
Chickenminer.com
 
 
dredger
10:37:05 Fri
Mar 15 2013

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Re: Excavator Ripper

Oh gee Dick, when I said " I would borrow your excavator " ! I meant and said the one with the quick hitch, and the 200 has not got a quick hitch, don't you remember,smile :haha.

Mate, I am still smiling cause when you get this ripper on your excavator, things will change big time,, your perception of our (ha) your hyd giant will change into an amazing hyd giant "monster",
Believe me when I say this is going to be a moving experience for you, haha, it was for me after I got the hang of a ripper,
More explanation on that coming with the above pic, and got 2 sketches done too. asap.
Your 300-3 is in my opinion one of a few makes, most suitable machine for alluvial or placer mining there is, the vintage is exactly right, all the good running gear without the complicated computer accessories seen on later models, strong, reliable, a hyd giant with a bucket, and an amazing hyd giant monster with a ripper,
You say, The thing about ripping muck is it starts to thaw as soon as you rip it. So to avoid having a big slop pile I pretty much have to rip a little, then cast it to the side with the tooth as you suggested and grab it with the loader.
I like that and hear you well, and I am thinking the big slop pile might “refreeze” pretty quick, ??. ( if you work into the winter, so timing might need to be considered to when you are doing both excavator and loader operation at the same time,, , ),

This is getting good, phil.

  
charlene91
17:17:22 Fri
Mar 15 2013

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Re: Excavator Ripper

hi you all chicken i have worked ground like your and from my experince we cleaned off all possible overburden you would be surpised how well that moss and roots keep the muck forzen i have seen 10to 12 inchs of moss and such keep the muck forzen and cleared off it and 2 days later able to wash or push it away

  
chickenminer
18:25:42 Fri
Mar 15 2013

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Re: Excavator Ripper

Charlene...
Placer mining 101 in Interior Alaska. If you don't strip the top vegetation off, it ain't ever going to thaw.
Once you do, on a nice summer day you'll get maybe 3" thaw. Depending on what your muck is composed of.



---
Dick Hammond - Chicken, Alaska
Chicken / Stonehouse Creek Mining
Chickenminer.com
 
 
chickenminer
20:37:07 Fri
Mar 15 2013

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364 posts

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Re: Excavator Ripper

Phil ...
Yeah the 300 LC-3 is a sweet machine. It still has more electronics than I like. Nothing like the ZX models though.

I wasn't use to such a "new" machine. First time I crawled into the cab after the guys unloaded, I must have spent 15 minutes looking for the throttle lever !! Finally dawned on me ( I am a bit slow) throttle settings were buttons ! Took me a while to get over the "oh man, not buttons" :smile:
Got to admit though, that auto-decel is kinda nice.

Well I don't plan to do any ripping during the winter. Just too dang cold here to run machinery. So my ripping will be Spring through late Fall. Refreezing of ripped material will not be a problem.



---
Dick Hammond - Chicken, Alaska
Chicken / Stonehouse Creek Mining
Chickenminer.com
 
 

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