Did the SAL steel sheath any of their V-9/10’s?
the attached pic appears so… any ideas on numbers they may have done? Must have been very small number, this is the 1st time I have seen this

The picture is of a V-9.  V-9's were numbered 28000-29249, and you can clearly see this starts with a "2".  The V-10's were numbered 79000-79999.  Also, they had different doors, and the car in the picture has the V-9 door.

As for were any steel sheathed, I believe some of the V-9's were.  In the book "Seaboard Air Line - Color Guide to Freight and Passenger Equipment", the one picture of a V-9 looks like it has steel sides, but the description doesn't say either way.  I can't find in any of the other sources I have any mention of steel sides, and all other photos show the original wood sheathing.  The picture of the V-10 in the book does mention that the wood sheathing has been replaced with plywood sides.
 
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Bill Parks
Cumming, GA
Modelling the Seaboard Airline in Central Florida

They did some.  I don't know any more.

Brian Leppert
Carson City, NV

There are photos of one of these vents wrecked with the smooth sides - I had wondered at one point if they were plywood or steel, but the sides are bent and warped, and otherwise still smooth at the bends - so they aren't plywood. 

Larry Goolsby 
ACL & SAL HS 

Interesting to me to see the ventilated boxcars with steel sides... as I usually think of these as pre-war cars.  Was this simply steel siding on top of double-sheathed cars?

On Tue, Dec 13, 2022 at 07:47 AM, Ray Hutchison wrote:

Interesting to me to see the ventilated boxcars with steel sides... as I usually think of these as pre-war cars.  Was this simply steel siding on top of double-sheathed cars?

The V-9 and V-10 in Brian's post were built 9-22 and 10-23 respectively. If you zoom in on those photos, you can see the sheathing is relatively thin sheet metal. It's spaced out from the steel framing by roughly the thickness of a board and is about flush with the flange of the steel end, so it appears the sheet steel has been applied over the previous vertical board sheathing. It's possible the board sheathing has been replaced by plywood under the steel.

Jack Mullen