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#1

BrisJoe
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From: Moranbah, QLD
Joined: 22 June 2013
Posts: 632
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29 June 2013 11:19 pm

As a newbie to this life of adventure and excitement, I have been doing a lot of rsearch on various techniques and devices for extracting the gold and concentrates.

I have noticed for a lot of people who use or make a hand dredge with the PVC pipe etc and have a feeder hose into a bucket, most of the time they seem to use a ribbed hose like the grey water hose you pickup at Kmart garden section.

Now from a technical point, this hose is ribbed both inside and outside, now with the ribs on the inside, would the specs not get caught in these many many many mini riffles on the way to the bucket?
Would a smooth hose not be the wiser choice?

a650d975-7c7b-47a1-8d77-4fdf58ace6c3.jpg

gold-n-sand+Feb+2009+036.JPG

Last edited by BrisJoe (29 June 2013 11:28 pm)


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#2

HeadsUp
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From: Sydney, NSW
Joined: 17 April 2013
Posts: 3,012
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29 June 2013 11:32 pm

correct

but dont refer to the device as a "hand dredge"   please call it a crevicing tool or sucker if within earshot or eyeshot of a guvmint official smile

yes you can get flexible pipe with a smooth bore


On a mission to rescue as many gold nuggets as i can before those poor souls get washed out to sea . GPX5000 smilemaker , self built highbanker and enthusiastic shovel

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#3

Hunting the yellow
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From: down a hole
Joined: 20 December 2012
Posts: 1,795
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30 June 2013 02:11 am

yeah I got this idea it works great not finished yet but so far it has court 90% of the gold and I am still working on it to improve it  big_smile


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P1030287.jpg


A dream written down with a date becomes a goal a goal broken down into steps becomes a plan a plan backed by action becomes reality.

#4

BrisJoe
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From: Moranbah, QLD
Joined: 22 June 2013
Posts: 632
Member
30 June 2013 09:09 am

So am I better to use the smooth hose or ribbed hose for my "crevicing sucker"?
Because just thinking about the cleanup, as the small ribbed hose would need a good shot with the hose down it to clean it out compared to a smooth hose.

Watch this space for my "crevicing sucker" that I hopefully will get the parts from bunnings today for


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#5

Ag Man
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From: Newborough, Vicco
Joined: 06 January 2013
Posts: 1,047
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30 June 2013 09:30 am

Smooth hose would be ideal but the ribbed stuff will work fine.
It'll just be at final clean up time that you need to give the hose a good rinsing to wash out anything caught in the ribs.


GS10 Highbanker, McKirk sluice, Garret pans, yabby pump etc., Whites Coinmaster 6000D

#6

HeadsUp
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From: Sydney, NSW
Joined: 17 April 2013
Posts: 3,012
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30 June 2013 03:28 pm

BrisJoe wrote:

So am I better to use the smooth hose or ribbed hose for my "crevicing sucker"?
Because just thinking about the cleanup, as the small ribbed hose would need a good shot with the hose down it to clean it out compared to a smooth hose.

Watch this space for my "crevicing sucker" that I hopefully will get the parts from bunnings today for

BCF have a 28 mm smooth bore flexible hose if thats big enough , if not then try the ebay hose guy

i wouldnt use the hose with ribs inside because they fill up with little pebbles and when you roll the hose up it will crack and leak

not to mention the risk of losing gold in there

jewellers send their vacuum cleaner hoses to be smelted once or twice a year for that same reason.

Last edited by HeadsUp (30 June 2013 03:29 pm)


On a mission to rescue as many gold nuggets as i can before those poor souls get washed out to sea . GPX5000 smilemaker , self built highbanker and enthusiastic shovel

#7

BrisJoe
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From: Moranbah, QLD
Joined: 22 June 2013
Posts: 632
Member
30 June 2013 05:42 pm

Can you guess what I am going to build....

1372574332_dsc_0159.jpg

Actually it's 3 projects in that tub...

"Crevice Sucker Pump"
WalBanker
Combined blue bowl/sluice processing plant for doing all the filtering of concentrate at home.

I will tomorrow hopefully go and pickup 50x 10L plastic buckets for $25 so I can start going and collecting buckets of cons from different sites around Brissy as a start while I build up the processing blue bowl setup


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#8

ChrisM
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From: Sydney, NSW
Joined: 28 January 2013
Posts: 584
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30 June 2013 05:58 pm

BrisJoe wrote:

Can you guess what I am going to build....

https://www.prospectingaustralia.com.au … c_0159.jpg

Actually it's 3 projects in that tub...

"Crevice Sucker Pump"
WalBanker
Combined blue bowl/sluice processing plant for doing all the filtering of concentrate at home.

I will tomorrow hopefully go and pickup 50x 10L plastic buckets for $25 so I can start going and collecting buckets of cons from different sites around Brissy as a start while I build up the processing blue bowl setup

Nice collection of goodies there Joe.
But when "Honda" is mentioned as a pump I think you've gone a bit too far..... lol lol
Cheers mate
Happy building
Chris


Of all the things I've lost......I miss my mind the most.

#9

TenOunce Tone
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From: Cairns, QLD
Joined: 18 March 2013
Posts: 1,382
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30 June 2013 06:29 pm

Wow BrfisJoe. Got the fever good and strong. Good luck with the builds wink


One man, One pan, One goal!

#10

BrisJoe
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From: Moranbah, QLD
Joined: 22 June 2013
Posts: 632
Member
30 June 2013 08:49 pm

Got the hand pump built, just need to get the glue so it can be finished and a 30mm steel ball bearing  and figure out a way to secure the hose to the handle, thinking I'll need to get a piece of rubber hose and some clamps and just patch it on


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#11

Pr2cv
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Joined: 13 June 2013
Posts: 576
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30 June 2013 10:44 pm

Is there a plan or instructions  on how to fabricate a "Crevice Sucker pump" similar to the one pictured  above

Thanks

Pete

#12

TenOunce Tone
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From: Cairns, QLD
Joined: 18 March 2013
Posts: 1,382
Member
30 June 2013 11:11 pm

Pete, I made a tutorial for a similar hand crevice pump, you can print the pdf out and make your own,

check this link

https://www.prospectingaustralia.com.au … hp?id=1101

Cheers, Tone

Last edited by TenOunce Tone (30 June 2013 11:13 pm)


One man, One pan, One goal!

#13

BrisJoe
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From: Moranbah, QLD
Joined: 22 June 2013
Posts: 632
Member
01 July 2013 06:39 am

I'm actually following this design with a double check valve system for continous pumping

http://lake-bolac-caravanpark.com.au/go … ectin.html


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#14

TenOunce Tone
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From: Cairns, QLD
Joined: 18 March 2013
Posts: 1,382
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01 July 2013 07:25 am

Looks good, good luck with it


One man, One pan, One goal!

1 user likes this post: Pr2cv

#15

BrisJoe
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From: Moranbah, QLD
Joined: 22 June 2013
Posts: 632
Member
01 July 2013 07:30 pm

Ok picked up 50x 10L buckets today to use as cons collections so I can bring it all home and process it at my leisure, anybody need any? lol

Also got the 30mm ball bearing and other ball to finish the check valves in my sucker pump, just need to glue it all together now and she right to suck.

The hose connects to the L bend in the handle

1372667279_dsc_0160.jpg


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#16

HeadsUp
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From: Sydney, NSW
Joined: 17 April 2013
Posts: 3,012
Banned
01 July 2013 08:09 pm

you will need a steady flow of water to prevent the hose blocking up

keep the handle pumping non-stop and when you want a rest , lift the nozzle up out of the gravel and put 4 or 5 pumps of clean water through the hose

if it keeps blocking up you might have to shorten the hose

if twas' me i would keep the hose shorter than 2 metres

i will send my carrier pigeon over there , please clip no more than a kilo of gold to its leg each trip coz he is getting old ...


On a mission to rescue as many gold nuggets as i can before those poor souls get washed out to sea . GPX5000 smilemaker , self built highbanker and enthusiastic shovel

1 user likes this post: SuperPeter

#17

BrisJoe
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From: Moranbah, QLD
Joined: 22 June 2013
Posts: 632
Member
01 July 2013 08:29 pm

Yeah that was the plan to have the shorter hose, just havn't got round yet to trimming it to size, as still need to make a collet device to keep the hose secured to the outlet nozle.
The hose I have chosen is also smooth on the inside to avoid the previous minerals from getting pre sluiced inside the hose as mentioned in the first few posts of this thread


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