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Old 09-30-2019, 04:17 PM   #1
mikemac58
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Large Airslide Covered Hoppers - Uses/Era

I am interested in learning about the airslide covered hoppers. I have found information about who built them and when. I have found online that they were used for small granular food products (flour, sugar and corn starch?).

My questions are:

- What else did they carry?
- Were many still in service in my modeling era (2012)?
- Are any still in service today and how are they used today (fly ash?).
- If they were used for flour, sugar and corn starch, why do I see Walthers model airslides with Champion spark plug or Firestone tire logos on them?
- Were airslides used for non-food commodities?

Any and all information is appreciated!
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Old 09-30-2019, 04:36 PM   #2
cv_acr
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They were used for fine-grained or powdered products. Flour, corn starch etc. are good examples of this. Not necessarily the only examples.

There are none in use anymore AFAIK, although BNSF still has some former Airslide cars that are used just as buffer cars on unit oil trains.

These types of products handled in these cars are mostly handled in pressure-unloading cars now.
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Old 10-01-2019, 03:11 PM   #3
mikemac58
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Thanks!

Any thoughts on service era? Still in use in 2012? Was hauling fly ash a use as the cars aged out?

Since I have a hidden coal plant with coal coming in, I thought fly ash coming out in old beat up airslides might be an addition.
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Old 10-02-2019, 07:16 AM   #4
prrfan
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I don’t think Airslide hoppers were used to haul flyash. The dry ash is usually hauled in trucks. They have systems in place to control the dust, which is toxic.

When ash is hauled by rail it’s been wet, and is loaded with excavator type equipment into cars that resemble coal hoppers. They put large plastic covers over them. They are unloaded with the same type of equipment.
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Old 10-15-2019, 07:38 PM   #5
wis bang
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air-slide cars came into our yard early 90's for con agra with rye flour.

I remember air-slide cement trailers built by Fruehauf 1958 - 61 and by 1972 were only used when the mill was busy as better dry bulk tech came out
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