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The trucks that built Boulder Dam


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#21 BigBad

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Posted 31 July 2012 - 12:51 PM

Nice ol' truck, great scratch building, this is a rare sight, even here!

#22 Aaronw

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Posted 31 July 2012 - 08:34 PM

Neat truck, this should be good to watch. What did you use for the front tires? They look like a good possibility for a long stalled Mack AC rescue I have.

My Dad's step father helped build Hoover / Boulder dam and later the Shasta dam.

#23 Chariots of Fire

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Posted 01 August 2012 - 03:59 AM

The front tires are from a previous scratch project, Aaron. I made up a master and then had Tom Coolidge of Denver, CO cast them for me. The wheels are straight from the Mack R kit.

#24 Joker

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Posted 01 August 2012 - 03:39 PM

EPIC ! ! !

#25 Gluhead

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Posted 01 August 2012 - 08:42 PM

I really dig this. Great subject and scratching.

#26 gtx6970

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Posted 03 August 2012 - 08:54 AM

Killer subject. I've seen the video of how the Hoover dam was built, talk about when men were men is a huge understatement

Them guys has knads of steel

#27 Foxer

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Posted 03 August 2012 - 09:04 AM

Looking very good!

#28 Chariots of Fire

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Posted 03 August 2012 - 09:07 AM

I've been to Hoover Dam as well and had the tour down iside. It's quite an experience. The two 30' diameter overflw drops on each side are really something. I's hate to ever fall in one! We got to walk inside the original diversion tunels that were dug out of the canyon walls to get the Colorado River water way from the actual dam area so that they could do the base excavation. In the meantime work continues on this build. The side screens for the hood were finally fit in place, the steering column and box are set and the drag link and steering arm are now connected. There is a small protective shield over the radiator cap also. Next is to detail the fishplate with some bolt heads. Then probably the engine will get some detailing.
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#29 Chariots of Fire

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Posted 03 August 2012 - 09:13 AM

Just so that you know that there are actually two AP's being built, here is Jeff Harper's version that he will turn into the cement mixer. The second pic obviously is of the two of them together.
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#30 BigBad

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Posted 04 August 2012 - 03:18 AM

I have respect for people who can make something out of very basic material. This is great work! By the way those chain drives are incredible!

#31 Chariots of Fire

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Posted 04 August 2012 - 03:54 AM

I have respect for people who can make something out of very basic material. This is great work! By the way those chain drives are incredible!

The delrin chain and sprockets are easy to come by. They are a bit large for most uses but fit right in here because the trucks were so beefy. The chain can be made any length just by adding or taking out links.

#32 truckabilly

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Posted 04 August 2012 - 11:38 AM

This is true modeling. Great respect to the guys who can make things like this and great respect to the trucks of old times and their drivers. This build is awesome.

#33 Chariots of Fire

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Posted 04 August 2012 - 12:34 PM

Here are a couple of shots of the AP Engine. It's made from two blocks of the Monogram AC with a bit of detailing including wire, aluminum tubing, solder wire, and parts from the parts box.
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#34 Gluhead

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Posted 05 August 2012 - 02:43 AM

That mill looks great. Nice work.

#35 Bennyg

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Posted 05 August 2012 - 11:57 AM

It just keeps getting better.

Ben

#36 Danno

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Posted 05 August 2012 - 02:39 PM

Still Wow!



B)

#37 mardtrp

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Posted 06 August 2012 - 11:09 AM

Excellent scratchbuilding going on here, just damned excellent.

But you got a bit of a problem by posting your masterpiece on here, how are all the others on this forum, EVER going to match what your doing, or for that matter, even come close ?

Psst, looks much better than 50 peterbuilts in a row, now don't it.

Edited by mardtrp, 06 August 2012 - 11:10 AM.


#38 Chariots of Fire

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Posted 06 August 2012 - 02:05 PM

Excellent scratchbuilding going on here, just damned excellent.

But you got a bit of a problem by posting your masterpiece on here, how are all the others on this forum, EVER going to match what your doing, or for that matter, even come close ?

Psst, looks much better than 50 peterbuilts in a row, now don't it.

Not lookin' to show anybody up. I just like old trucks. There is something about their openness that shows all of that beefy working iron that I like. When they don't make them in kit form what's a guy to do?? 8^))

#39 Chariots of Fire

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Posted 08 August 2012 - 12:29 PM

Here's a bit more progress. First pic shows an actual Boulder Dam being loaded with rock. Second pic shows the hoisting mechanism that was used on the first series of AP.s They underwent some changes during the time they were at Boulder and later on at two other dam projects. Third pic shows how beefy the undercarriage and body are.
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#40 Chariots of Fire

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Posted 09 August 2012 - 07:37 AM

We got the information we were looking for from the Mack Museum today and it looks like we are going to have to repaint the wheels. Documentary evidence says they were dark green. Anyway, here is a breakdown of the parts so far for the AP dump truck. There are plenty of "widgets" to be added once the painting is done for what you see here. The entire frame, cab and hood are to be Mack dark green. Accents will be included but will be mostly subtle like drybrushing to bring out highlights and the use of powders. We'll also show some caked on red dirt in the tire treads.
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