Re: [CBQ] Roof Vents for the Former Grain Elevator in Burlington Iowa

["Steven Holding" <sholding@sbcglobal.net>]

Chuck a piece of 1/2 dowel in a drill chuck and turn one out,  Sand and paint silver and then weather

I've done that to make some columns for over hangs 

Steve in SC

On Wednesday, January 31, 2024 at 03:25:29 PM EST, Nelson Moyer <npmoyer@hotmail.com> wrote:

As most people on this list know, the export grain elevator in Burlington exploded and burned, damaging the adjacent concrete silo, which were subsequently demolished and rebuilt. The story is told in BB#23. I am building a selectively compressed HO model of the elevator complex for my layout, and I have all of the material I need to draw plans and construct the model except for the roof vents.

 

The roof vents on the Burlington elevator were of two styles, a large vent with a cylindrical ring under the main vent and a smaller vent without the ring. The shape of both vents is the same, except for the absence of the ring on the smaller vent. It would be helpful to know the manufacturer and model of these vents and ideally to find drawings, advertisements, or better photos of the vents. Lacking better information, the vents can be approximated from the attached closeup photos. No commercially available roof vents resemble these vents, so to model them accurately, it is necessary to draw the vents in CAD and have them 3D printed. I will need at least nine large vents and six small vents, based upon photos the elevator when it was owned by Norris Grain Company. I may need more of each size, because the East side of the elevator isn’t shown in any of the available photos.

 

I don’t have a CAD program, nor do I know how to use one to draw a 3D approximation for 3D printing. If anyone in the group has better photos or other materials that would be helpful in producing these vent, please share. If anyone is proficient with CAD and is interested in contributing to this project, that would be wonderful.

 

Nelson Moyer

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