Poll

How did the money arrive on Tena Bar

River Flooding
1 (5%)
Floated to it's resting spot via Columbia river
2 (10%)
Planted
6 (30%)
Dredge
11 (55%)
tossed in the river in a paper bag
0 (0%)

Total Members Voted: 17

Voting closed: August 16, 2016, 09:05:28 AM

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Author Topic: Tena Bar Money Find  (Read 1433719 times)

Offline Shutter

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Re: Tina Bar Money Find
« Reply #915 on: April 06, 2015, 05:00:38 PM »
Here is a video of a cutter head dredge on the surface boring into sand...


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Offline Shutter

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Re: Tina Bar Money Find
« Reply #916 on: April 06, 2015, 05:09:27 PM »
This shows the dredge process ....


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Offline nmiwrecks

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Re: Tina Bar Money Find
« Reply #917 on: April 06, 2015, 09:48:05 PM »
Very interesting.  It's really helpful to be able to visualize the dredging process.  I'm still not seeing anything that leads me to believe the money arrived by any other means than dredging. 
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"If you always do what you’ve always done, you’ll always get what you’ve always got." - Henry Ford
 

Offline Shutter

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Re: Tina Bar Money Find
« Reply #918 on: April 06, 2015, 10:19:12 PM »
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Very interesting.  It's really helpful to be able to visualize the dredging process.  I'm still not seeing anything that leads me to believe the money arrived by any other means than dredging.


The problem seems to be, how did it get to the bottom of the river....... :-\
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georger

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Re: Tina Bar Money Find
« Reply #919 on: April 07, 2015, 01:55:26 AM »
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I just received a response from a dredge company. I asked him about the term "wiper bar", and if money could make it through the pump, and if it would shred the money. he answered one part of my question.


Dave,
Fascinating!  DB is still at work.  I think the wiper bar is just referring to a simple grate or bar across the suction end of the dredge to help keep it from sucking up large debris.  It all depends on how close the bars were placed to basically screen the debris out as to whether the money could make it through.  Then it would have to make it through the pump.  Not sure if that is possible or not without more details.  Hope this helps.

Ask him for more specs - sounds like he's interested  - tell him he gets a free cake or meal out if he helps us get more and better data!  :) :)  Ask for more info about the pump. Sounds like the pump may be the crucial ingredient - not one word about pump eating of blocking money in the FBI files which is interesting!

Good work Shutter!

 ;)
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georger

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Re: Tina Bar Money Find
« Reply #920 on: April 07, 2015, 01:58:06 AM »
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Here is a video of a cutter head dredge on the surface boring into sand...




Good grief! Would take your head off. It would be a miracle if money got through that.

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georger

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Re: Tina Bar Money Find
« Reply #921 on: April 07, 2015, 02:03:47 AM »
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Very interesting.  It's really helpful to be able to visualize the dredging process.  I'm still not seeing anything that leads me to believe the money arrived by any other means than dredging.

After seeing that I'm more skeptical. That cutter head is a serious meat grinder. Spacing, rpms, etc we need to know to estimate the chances ... 
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Offline Shutter

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Re: Tina Bar Money Find
« Reply #922 on: April 07, 2015, 02:04:38 AM »
Thanks, I sent it over a week ago. I forgot all about it until he replied...

That was my reply to him. I asked him about any further information about the pump. now, it's my understanding the the blades are in the center of the pump, and water flows around the blades. this might be a reason why things that get past a screen, or a "wiper bar" could land on shore.
« Last Edit: April 07, 2015, 10:39:12 PM by shutter »
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Offline Shutter

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Re: Tina Bar Money Find
« Reply #923 on: April 07, 2015, 02:09:26 AM »
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Very interesting.  It's really helpful to be able to visualize the dredging process.  I'm still not seeing anything that leads me to believe the money arrived by any other means than dredging.

After seeing that I'm more skeptical. That cutter head is a serious meat grinder. Spacing, rpms, etc we need to know to estimate the chances ...

Keep in mind that the cutter head is always on the move. it has a lot of space between each cutter, and the rpm's are at around 30. I think the twisting form the head is in makes it appear faster.


The primary components of any cutterhead dredge system include the hull, cutter ... blades that rotate at 10–30 rpm to loosen compacted sediment (Bray, 1979).
« Last Edit: April 07, 2015, 02:12:21 AM by shutter »
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georger

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Re: Tina Bar Money Find
« Reply #924 on: April 07, 2015, 02:12:23 AM »
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Rubber bands appear to react with coins.....see attachment...

Taken from a coin thread
Acetone would remove any actual pieces of degraded rubber that might be still stuck to the coin, but the tarnish stripe left behind will not come off in acetone. Rubber is chock-full of sulfur, and it's this sulfur that has reacted with the silver to turn it black. Regular "toning" on a coin is caused by a similar reaction with atmospheric sulfur. Tarnish remover or "dip" will get rid of the stripe, but the end result will be a dipped coin.

There are NO specs on the Alliance bands used at Tom's site. Nothing. We need the full dimensions and engineering specs for the bands that were used in order to discuss rotation, forces, etc etc etc. Let me see what I can come up with ... if its available. I think Alliance still makes the same bands using the same basic formula they were using in 1971. And here is a pdf at Alliance of their band types with a few specs:

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But we need some specs to discuss this intelligently.

 :D

[my heart is heavy for Wisconsin! That's what happens when you give up six unanswered points against a team like Duke. You may not catch up, and they didn't!  The floor they played on tonight was made at a mill in Gladstone MI. ]
 
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georger

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Re: Tina Bar Money Find
« Reply #925 on: April 07, 2015, 02:21:51 AM »
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Very interesting.  It's really helpful to be able to visualize the dredging process.  I'm still not seeing anything that leads me to believe the money arrived by any other means than dredging.

After seeing that I'm more skeptical. That cutter head is a serious meat grinder. Spacing, rpms, etc we need to know to estimate the chances ...

Keep in mind that the cutter head is always on the move. it has a lot of space between each cutter, and the rpm's are at around 30. I think the twisting form the head is in makes it appear faster.


The primary components of any cutterhead dredge system include the hull, cutter ... blades that rotate at 10–30 rpm to loosen compacted sediment (Bray, 1979).

What are the dimensions?  Is this chart from a pdf? Is there a legend for the numbers?

That's a serious grinder. Lets find out about the pump and what it can pass ...
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Offline Shutter

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Re: Tina Bar Money Find
« Reply #926 on: April 07, 2015, 02:25:29 AM »
OK, I can send you the PDF where I got the pump pic from. we know solid, or metal objects get through. a cannonball, 60 feet of chain etc. I've read articles about garbage being left in the area's of the spoils, cans, plates etc...


Here is some good info...

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« Last Edit: April 07, 2015, 02:26:22 AM by shutter »
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Offline Shutter

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Re: Tina Bar Money Find
« Reply #927 on: April 07, 2015, 02:34:22 AM »
It appears the pump I have a picture of is the pump that is on the cutterhead arm. it's not the main pump...

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georger

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Re: Tina Bar Money Find
« Reply #928 on: April 07, 2015, 02:36:52 AM »
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It appears the pump I have a picture of is the pump that is on the cutterhead arm. it's not the main pump...

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Thanks...
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Offline Shutter

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Re: Tina Bar Money Find
« Reply #929 on: April 07, 2015, 02:51:52 AM »
It's possible the wiper bar was removed, and replaced with what is called a "crusher" problems of rocks, and hard sediments were clogging up the pipes, and could damage the pump. it is attached behind the cutter head, looks like a grill for a BBQ  ;D bundles could pass right through....




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« Last Edit: April 07, 2015, 03:04:26 AM by shutter »
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