Chariots of Fire

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About Chariots of Fire

  • Rank
    MCM Avid Poster
  • Birthday 05/25/1940

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  • Website URL http://

Previous Fields

  • Are You Human? Yes
  • Scale I Build 1/25 and 1/32

Profile Information

  • Location West Wareham, MA
  • Full Name Charles L. Rowley

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Chariots of Fire's Activity

  1. Chariots of Fire added a post in a topic New Brush Truck Started   

    Doing a little bit every day lately seems to yield results.  Worked on the front fenders yesterday and today.  The back of the fenders as you can see are bobbed.  That is because the rig I am building had them cut off and heavy steel side panels took their place.  Lots of tinkering to get them right and close to the measurements I took of the real thing.  Next is to make up the radiator and shroud and begin the engine.

  2. Chariots of Fire added a post in a topic Gauging interest in Dodge W-300 & W-500 cab kits   

    I'm the guy who first did the 1966 W300 and 1968 W500 single cabs.  There is a template from which you can make the windshield out of simple clear sheet plastic.  When I did mine I used the plastic that used to come with new shirts around the collar!  If you clean the edges of the interior of where the windshield goes it will just pop in with no glue.  All you have to do is warm the plastic and put a slight curve in each end so that it snaps in place.  Here are the two originals as models. 

  3. Chariots of Fire added a post in a topic New Brush Truck Started   

    And here are a couple more of progress made on the grill guard.  It is all soldered brass except for two small pieces of plastic strip stock at the bottom.  The large plastic pieces are temporary supports.
     


  4. Chariots of Fire added a post in a topic New Brush Truck Started   

    With the hood done work was started on the cab.  The back of the hood sets the curvature for the cowl so that piece was done first with other plastic stock cut to shape.  It sits on the frame about where it will be when it gets mounted.


  5. Chariots of Fire added a post in a topic dodge ls1000   

    NIce work, Jacobus!  Where did the Dodge letters come from?
  6. Chariots of Fire added a post in a topic New Brush Truck Started   

    Ahh, winter weather and retirement!  Go together pretty well when there's a model to be built!  Got some more done on the M-52 in the last day or so.  Decided to get away from the frame for a while and tackle something else.  Figured the hood was a good place to start seeing as I had the dimensions and some good photos.
    So here we are with several components.  I started out with a block of extruded plastic that is used for planks and decking.  The plain block in the middle left is the overall shape of the hood.  To the right is a similar block after it was sanded to shape and cleaned up.  This stuff sands beautifully and is very easy to carve.  To the right of that is my attempt at using the carved hood as a buck to shape a hood from brass.  Not too good....!  So I moved on to option B and that was to take the buck and make a two piece mold.  That is what those bright blue things are at the top of the photo.  I hollowed out the plastic master so that it is about 1/16" thick overall.  The top surface was molded first and then the mold box was turned over and the underside of the hood was molded next.  Using the new mold, I was able to cast a two part resin hood and that is what you see in the bottom of the photo.  I did two so you can see the top and underside as well.  I primed the one on the left so I could see the imperfections and smooth them up.  All in all a successful venture.
     

  7. Chariots of Fire added a post in a topic New Brush Truck Started   

    It's good size.  Get's tucked up under the back of the cab.  Has to be high enough so the front driveshaft clears the U shaped frame bracket.  Am waiting for Shapeways to ship me some universal joints so I can do up the shafts.
  8. Chariots of Fire added a post in a topic New Brush Truck Started   

    An update on progress.  A trip to the local fire department where this rig ls housed helped in locating the steering arm, pivot rod and connecting arm.  A few #90 bolts and nuts hold all together.
  9. Chariots of Fire added a post in a topic New Brush Truck Started   

    There's not much chance of making duplicates of the rig I've started.  Lots of hours in it already and the engine, drivetrain, cab, front end, winch, body, brush bars and pump are still to go!
    The cab is not hard to scratch build.  The biggest problem is going to be getting the hood right.  The M series hood has two reverse curve sections at the front corners o they have to be figured out.  The rest is basically square pieces to make up the fenders, doors, windshield and cab sides and back.  Best way to do that is make up a drawing to scale and use it as a template for the various pieces to be glued up. 
  10. Chariots of Fire added a post in a topic New Brush Truck Started   

    Too bad there isn't a decent kit out there as well.  There is a Czeck company, I believe who did a CCKW in 1/25 scale but it predates the M series by a lot.  I don't think it would even come close.  The resin parts in some cases were very brittle.  A friend built one a while back and had some issues with it.  Ultimately it came out ok but not without a lot of tinkering.  1/35 scale seems to be where it's at.  Wish I had a plastic enlarging machine!
  11. Chariots of Fire added a post in a topic New Brush Truck Started   

    Tom:  You familiar with a company called V-Tech?  Think they are in Brattleboro.  They have built a lot of brush rigs for towns in our area.  They took over where Farrar and E. J. Murphy and Maxim left off.
  12. Chariots of Fire added a post in a topic New Brush Truck Started   

    This may not seem like much but there are many pieces that went into each front hub assembly.  There is the hub itself with a brass tubing insert that acts as a bushing.  I filled the inside with some two part resin to sturdy it up.  The center of the original mounting had to be drilled out to accept the tubing and otherwise would have left it very weak.  In addition there is the main internal hub assembly that acts as the pivot point for turning the front wheels.  The brass pieces in the center go together and fit inside the white plastic tubing just to the right of center in the photo.  The other one is fully assembled and is on the long brass axle insert.  In front is the tie rod that attaches to the arms on each hub assembly.  The small screws and washers fit inside each hub and hold it on the brass axle of the assembly.  Two pieces that do not show here are the guards that fit on the front of the hub assembly.  On the real truck they help to deflect debris away from the hub where there is a rubber boot to keep out dirt and mud.  (I tried but I'm not adding the rubber boots!)

  13. Chariots of Fire added a post in a topic New Brush Truck Started   

    Got a bit more done in the last few modeling sessions including the front axle.  There is a small amount of warp in the frame which I attribute to my soldering surface not being flat any more.  It's enough to make it aggravating but I think with enough weight finally on the frame and all it will settle down ok.
    With the front axle set in position the ends were made up to allow the front wheels to turn.  There is still much to do around the hubs to include the brackets for the tie rod and steering arm.  Fortunately I have photos and TM drawings that give me enough information to do a reasonable job of replication.


    As with the rear hubs, the front ones are held on with a small screw and washer that sit inside.  They will eventually be covered with the center hub cover.
  14. Chariots of Fire added a post in a topic Mack RM 686 4X6 with equipement snow plow.   

    Nice job on the plow, Alain.  Do you have any photos of old V plow and wing plow frames that you could post?  I have a couple for the Coleman but not nearly enough detail to do a creditable job.
    Charlie
  15. Chariots of Fire added a post in a topic New Brush Truck Started   

    Resin casting is not hard.  Complex pieces can be a challenge but there are so many parts that can be made with just a single mold to pour the resin in.  For example the axles on this truck were done it two separate molds.  I glued each half to a piece of plastic and then built a box around each one to hold the RTV.  Mold release was painted on the part and on the box sides.  RTV was poured in making sure that the RTV covered the entire axle half.  You have to plug the ends of the axle halves because you don't want the RTV to get inside.  Use a bit of modeling clay for that.  The mold will cure in 3-4 hours.  Break the mold box apart and remove the axle master.  Then mix up two part resin and pour it in the mold   Make sure the resin coats the inside of the mold without any visibie air bubbles.  Wait for it to cure and pop out the new part!    MIcro-Mark has a good assortment of RTV and two part resin materials.  Not cheap but you can get a lot of molds and parts that way.