IH Loadstar Brush Truck

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IH Loadstar Brush Truck

Postby chariots of fire on Fri Nov 17, 2017 6:21 pm

I finished up an International Loadstar dump truck mainly as a trial run to see how the resin casting from AITM would look. I think it is pretty well done. So now I can look forward to some detailing of the next Loadstar for this rig. I've already begun to cut out the doors and have taken the hood apart so that it will open like the butterfly hood that it is. In progress photos will be posted along the way.
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Re: IH Loadstar Brush Truck

Postby Robbo on Tue Nov 21, 2017 9:55 pm

Hi Charlie. Looks like another good looking project is well on the way.

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Re: IH Loadstar Brush Truck

Postby chariots of fire on Thu Nov 23, 2017 12:10 am

I did a bit on the hood pieces making up some hinges with brass tubing and strip stock. Finicky sort of work but I got it done. Will post some pics. Cutting the doors out reveals some irregularities in thickness of the master that was used for the Loadstar. Once they are smoothed up work will begin on making hinges for them also.
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Re: IH Loadstar Brush Truck

Postby chariots of fire on Sat Nov 25, 2017 12:33 pm

Here are some photos of the work to date. Hinges were made of slices of brass tubing that were soldered to flat stock. On the other end of the sliced tubing a piece of 0.018" diameter brass tubing was also soldered. Using sliced brass tubing as the curved section of each hinge assured that they would match during the building process.
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More detail can now be added to the underside of the hood pieces.
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This is how the hood looks with the center temporarily set in place with some guide pins. Eventually the hood will be made with working rods that keep the hood sides up for display.
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Re: IH Loadstar Brush Truck

Postby chariots of fire on Fri Dec 22, 2017 4:25 pm

Been doing some more work on the brush rig. Attention turned to the front axle and the construction of the steering knuckles. I soldered some brass tubing together to make the parts you see in the first photo. They form the knuckle that allows the wheel to spin as well as turn. The tie rod will connect both wheels together so that they turn as one. The part of the knuckle that fits into the bushing in the wheel is threaded for the screw and washer. This keeps the wheel on the hub. The silver disk goes on the outside of the wheel as a covering for the 4wd mechanism.
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The next photo shows the front of the wheel on the left and the inner portion of the wheel on the right. The front axle differential is offset so that it will clear the engine oil pan. This part came from the AMT ALF kit. It is drilled out with a piece of 1/8" diameter tubing inserted for strength and to give the brass parts a solid connection. The long shaft showing on the wheel at the right is the part that is inserted into the axle tubing.
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Re: IH Loadstar Brush Truck

Postby Aaronw on Fri Jan 05, 2018 3:29 pm

Wow, the Loadstar is amazing. So happy to hear it is going to be available from AITM, these cabs were hugely popular for Brush trucks with the USFS, California Dept of Forestry and others. So many ideas I don't even know where to start.
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Re: IH Loadstar Brush Truck

Postby chariots of fire on Sat Jan 06, 2018 11:35 pm

You are right. Used for just about everything. They are available now at AITM. Comes with separate hood, dash, floorboard, seat, steering wheel and column, running boards, bumper and some of Dave's mirrors. There is also a set of decals for the hood sides and the horn button and some gages for the dash.
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Re: IH Loadstar Brush Truck

Postby chariots of fire on Wed Jan 10, 2018 10:16 pm

Got more done on the frame and engine these last few days. With it being so cold it was good to hibernate in the work room and get some modeling done!
Here is the frame and engine done except for the driveshafts. U-joints from Shapeways have not arrived yet so I have to wait on them to finish the drivetrain.
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The cab now sits on the frame with the engine in place. A tight fit but it's all in there. The wires sticking up will eventually tie into the firewall.
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Re: IH Loadstar Brush Truck

Postby jimb on Wed Jan 10, 2018 11:18 pm

Nice progress.
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Re: IH Loadstar Brush Truck

Postby chariots of fire on Wed Jan 17, 2018 5:57 pm

A bit more progress with some detailing being done on the firewall and around the engine. The chassis is now complete. The hood pieces have received a first coat o primer and color with a bit of sanding, smoothing and finish coats still to go. Then prepping the cab for paint will be next, along with doing up the dash, cab interior, seat and other details. After that I get to go back to the fire station and get measurements and photos of the body so that can be built.
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If you ever want to add some real detailing to wiring, fuel or brake lines, etc. try some fusion beads. They are tiny hex head beads that slip over thin wire. You can get a pack of about 200 for cheap money. Found them on line. The website is on the package in the photo. You can't crimp them because they shatter when you do. But they are really nice to work with.
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Re: IH Loadstar Brush Truck

Postby towmedic on Thu Jan 18, 2018 3:56 pm

Looking great as usual Charlie 8-) what did use use as the base to make the international engine?
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Re: IH Loadstar Brush Truck

Postby chariots of fire on Thu Jan 18, 2018 9:25 pm

IH Scout kit engine. It's the same 345. It needs to be small in order to fit into the engine bay. There is not a lot of room between the radiator and firewall. I made some molds of the engine parts so I can make more than one. The only significant change I made was to cut off the automatic transmission and scratch build a standard 5 speed.
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Re: IH Loadstar Brush Truck

Postby chariots of fire on Sat Jan 27, 2018 12:43 am

A bit more done with the floorboard. Shift lever, hand brake, winch and all wheel drive levers are installed. Seat is finished as well and just needs to be set in place. A fresh primer coat was put on the cab and the upper hinge opening has been filled in on both sides. The stainless pin will now be inserted through the bottom of the fender and up into the sealed off receiver.
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Re: IH Loadstar Brush Truck

Postby chariots of fire on Tue Jan 30, 2018 1:11 pm

Finally got some paint on the cab. Duplicolor gray primer and Duplicolor #398 bright red. Along with the painting the dash was installed and epoxied in place. The windshield is also set in place (without any glue) and some outside detailing is now in order. I still have to trim the edges of the dashboard so that the doors don't bind when they are closed. The seat has not been glued in yet. Just set in place for now. I need to be able to remove the floorboard/firewall piece one more time in order to adjust the dash and before I can do the seat permanently. Won't be long now and another trip to see the real rig and get some measurements and photos of the body. I used a #2 Molotow chrome pen for the trim rings for the headlights. Model Master silver for the centers. Headlights will be epoxied in after the paint is good and dry.
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Re: IH Loadstar Brush Truck

Postby RickW on Tue Jan 30, 2018 7:55 pm

I'm in awe of the work you do! Can't wait to see the finished result.
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Re: IH Loadstar Brush Truck

Postby chariots of fire on Tue Jan 30, 2018 11:32 pm

Won't be done for a while, Rick. LOOOOOOOONNNNNG way to go! :) Still working on the doors to get them to fit right. Kind of pesky work!
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Re: IH Loadstar Brush Truck

Postby Aaronw on Wed Jan 31, 2018 2:11 pm

I'm sure it will take you some time to gap the plugs, and set the timing too. ;)

That working hood is neat. I think this is the first time you've made both sides open. I remember another, but think you just did one side on that one.
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Re: IH Loadstar Brush Truck

Postby chariots of fire on Thu Feb 01, 2018 12:20 am

If you are thinking of the '54 Maxim no. Both sides open. I just was in the habit of opening only one side. The municipal IH at the top of the post doesn't have a hinged hood at all. It just lifts off. That one was a test build to see how the resin casting would go together.
Here's another one with an opening hood. Both sides open on this one as well.
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Re: IH Loadstar Brush Truck

Postby Aaronw on Thu Feb 01, 2018 12:47 am

It was one of your more recent models, maybe the military truck. Quite possible both sides opened, but I thought it was only one to maintain some support for the hinge. Quite possible I misunderstood or am remembering wrong.
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Re: IH Loadstar Brush Truck

Postby GLMFAA1 on Thu Feb 01, 2018 10:15 am

Aaron I was going to cite the sedan pumper as having both sides open. What else would expect from the person who has made an operational pony pump :o

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Re: IH Loadstar Brush Truck

Postby chariots of fire on Thu Feb 01, 2018 11:43 am

The last military rig I built with hood sides that open was this one. Both sides open on it as well. Strange, though, I never took any photos of the rig with the hood sides open after it was finished. Guess I better do that!
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It's going to be more difficult going forward with hinged panels from now on. The only supplier of real small piano hinges does not carry them any more and his supplier has stopped making them. They came from Phoenix Models in Great Britain.
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Re: IH Loadstar Brush Truck

Postby Aaronw on Thu Feb 01, 2018 4:45 pm

Clearly you have done quite a number of opening hoods, must have just been a misunderstanding, or maybe you did one side at a time on one that is stuck in my mind.


I have an experiment underway to see if I can reliably punch shapes in brass, with a sort of stamp and die process. While looking into it I ran across a tool and die video that happened to use a long hinge as the example piece being made.

Short of buying the elves an automatic tool and die machine, it would be time consuming, but doesn't actually look like it would be all that complicated to make a piano hinge if you were patient and had the time.

This video is more of an intro to what tool and die is, probably used for career planning. The section starting about 1:45 shows the process of making the hinge.

https://www.youtube.com/watch?v=I71YrXafg0o
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Re: IH Loadstar Brush Truck

Postby GLMFAA1 on Sat Feb 03, 2018 9:57 am

Aaron, I would explore laser cutting services to see if or how small they could cut the brass, then you could finish the process of constructing them. Long time ago Radio Shack used to have make your own printed circuit kits where you could possibly make the hinges from acid etching process. good luck

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Re: IH Loadstar Brush Truck

Postby chariots of fire on Sat Feb 03, 2018 10:41 pm

Cab and chassis are now complete. Paid a visit today to the fire station where the real rig is kept and got measurements for the body and bar assembly. More visits will be needed for the plumbing and rear mounted pump. Here are some pix of the finished work so far.
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Re: IH Loadstar Brush Truck

Postby chariots of fire on Sat Feb 10, 2018 10:48 am

Now that the cab and chassis are finished it's time to start on the body. Doing it in separate pieces makes painting it much easier. The sides of the body will be treadplate between the top rail and bottom rail. Still have those to build. The hose bed will be on top of the tank and the pump/engine will be behind the tank.
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