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Reply to "Continuing Saga …"

Even if I've heard it before, I don't mind hearing it again. Thanks guys! You make all this writing stuff worthwhile.

Exercise day limits my work shop time to around two hours. That being said, I did accomplish something.

I did change out the belt drive for a cobbled together angle gear drive. I loved those pulleys, but this was a simpler installation since it's almost out of sight anyway. I thought about putting a ring of bolts around the housing's top, but quickly disabused myself of that idea since it's facing downward into a completely closed space. AMS* is a bad disease and we must not give into it. I still may hook up some faux wiring to that motor though.

CT Gear Fan Drive

*AMS = Advanced Modeler's Syndrome.

Got back to work on the housing by building the frames which will hold the tulle representing the water baffles. I thought of this while waking this morning and realized that using structural shapes would give this assembly some needed depth. I had some small sized Plastruct ABS I-beam stock which worked well for this. It took a bit of massaging to get them to seat properly in the housing. I used the same PSA to adhere the tulle to the front and backs of these frames. I used solvent cement and CA to secure the frames and little corner braces.

CT Water Baffle Frames

I am going to fit these frames on the angle as in the prototype.

CT WB Frame FIt 2

Next I added the cross-bracing, center brace and corner brackets to the housing openings. I used 0.030" Evergreen round styrene rod for the braces held with CA. I didn't trust using solvent cement here since the rod surface area was so small. I added little triangular brackets for the corners and added the center braces that are shown in the prototype.

CT Cross Bracing

So here's today's Cooling Tower status shot.

CT Status 7-18

Next up: railings, outside bracings strips, tulle installation, and lighting. When I do the lighting for this unit, I'm also going to be designing it for all the rest. I still have to build a number of pipe racks and the loading platform. When I get into these scratch-builds, I really don't know at the start how it's going to turn out or exactly how I'm going to do it, but I've reached the point where if I can draw it in SketchUp, I can probably build it the real world. I usually build stuff in my head several different ways until I come up with one that I think will work. Then all I have to do is duplicate what I thought about. Simple! Eh?

 

 

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Images (5)
  • CT Gear Fan Drive
  • CT Water Baffle Frames
  • CT WB Frame FIt 2
  • CT Cross Bracing
  • CT Status 7-18

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