Superpeterbilt Posted April 2, 2015 Posted April 2, 2015 (edited) Heres the start of my Mack build. Im using the monogram 26 AC Mack kit with some resin wheels from AITM. For starters I removed the leaf springs from the frame because the front will be lifted and the rear will be much heavier. Using a triangle file, I cut slots to put a metal rod through the chain drive. I also started putting the cab together Edited June 17, 2015 by Superpeterbilt
Tesla Posted April 2, 2015 Posted April 2, 2015 I've been looking forward to this Terry. I like what I see and those tires will look great! I'll be watching this for sure
Superpeterbilt Posted April 2, 2015 Author Posted April 2, 2015 Thanks guys. I started modifying an AMT 5th wheel wheel. I wrapped the front with .010 x .125 styrene and puttied the recessed areas. Before After
guitarsam326 Posted April 2, 2015 Posted April 2, 2015 Finally, I know what to do with at least one of mine! I'm sure its gonna look great Terry!
Superpeterbilt Posted April 2, 2015 Author Posted April 2, 2015 Thanks Sam. Its shaping up to be an exciting project! Lots of research into this one. This chain drive is a different animal for me. I will be replacing the moulded on chain and sprockets. Im using a Kyosho 1:8 motorcycle chain. I also got a set of the sprockets for the same bike so I could copy them. Im machinig a sprocket set out of .060 aluminum. Im making two different gear ratios, the other being for the second Mack Im going to build. If I didnt mention it already, the chain drive on this model will be fully functional. The chain is wrapped on the Kyosho sprockets
Superpeterbilt Posted April 3, 2015 Author Posted April 3, 2015 Here's some of the suspension work. I'm using the kit springs for the upper and the spring pack from the DM600 kit for the lower springs. They are not exactly the same shape, but it'll work. Here's the start of the end loops The small tube was glued inside the large tube. The large tube was then cut and coiled around the small tube. Then I filed a spot in the leaf springs and glued them on. I also made the radiator larger for the bigger engine. The hood will also be lengthened.
Superpeterbilt Posted April 3, 2015 Author Posted April 3, 2015 Thanks Benny! Here are the scratch built front spring hangers Taking a cue from the Old Buckaroo, with my Legos
Chariots of Fire Posted April 3, 2015 Posted April 3, 2015 I'm watching this one with interest. A couple of years back I did a Mack AP like the kind they used to construct Boulder (Hoover) Dam. Lots of interesting details on those old trucks like the springs inside the frame that acted as slack adjusters so stones would not bind up the chain drive. Nice work on this rig!
Superpeterbilt Posted April 3, 2015 Author Posted April 3, 2015 I'm watching this one with interest. A couple of years back I did a Mack AP like the kind they used to construct Boulder (Hoover) Dam. Lots of interesting details on those old trucks like the springs inside the frame that acted as slack adjusters so stones would not bind up the chain drive. Nice work on this rig! Yes, these trucks are definitely some of the most interesting trucks ever built. I used to dislike the slanted nose, but it has grown on me. Dennis(Tesla) and I had been talking about these old Macks and I got the itch to tackle one. Id like to see your AP. Feel free to post it on this thread.
Mopar - D Posted April 3, 2015 Posted April 3, 2015 Nice project Terry. Your detail shows how much research you have done so far. Looking forward to seeing more.
Chariots of Fire Posted April 3, 2015 Posted April 3, 2015 Terry: Here are a couple of photos of the Mack AP. Looks like I used some of the same reference material that I see in your photos.
Superpeterbilt Posted April 3, 2015 Author Posted April 3, 2015 Wow!! That is quite an amazing build. That rear suspension looks superb. Most of what Im using for reference is the Iconographix Mack AP super duty book. There are many of the open cab dump trucks are in there.
Chariots of Fire Posted April 3, 2015 Posted April 3, 2015 That is part of what I have for reference info as well. Autocar A64B kit fenders are pretty close to the fenders used on these trucks. I turned mine around and did a bit of modification on them so I could attach them to the frame. The ones on the model are resin castings.
gatorincebu Posted April 4, 2015 Posted April 4, 2015 Terry, This truck is cool. I like your use of the motor cycle chain!! You have my full attention now! Be Well Gator
Superpeterbilt Posted April 4, 2015 Author Posted April 4, 2015 (edited) Thanks Gator, I'm glad you like it. I started working on the front fenders. I used some fenders from a chopped up KW hood to add a rolled edge to the existing fenders. I still need to do a little work on them, but I'm happy with the progress. Here are the KW fenders. I'm using the bottom side as the top. The pencil line is where I cut them. Before some enlarging of the wheel openings After some reshaping Edited April 4, 2015 by Superpeterbilt
Mopar - D Posted April 4, 2015 Posted April 4, 2015 Terry those fenders look great. Nice scratch building.
gatorincebu Posted April 4, 2015 Posted April 4, 2015 I am impressed! This is going to be a real killer build. And I really like the subject! Be Well Gator
Mackvision Posted April 5, 2015 Posted April 5, 2015 Outstanding! nice to see someone tackle a "real" Mack,killer work so far,i will sure be tuned in for more updates!................................Mark
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