Railroad freight car

1. A rail road gondola car having:

a lading containment receptacle mounted on a pair of spaced apart rail road car trucks for rolling motion along railroad tracks in a longitudinal direction;

first and second side beams defining side walls of said receptacle;

cross-bearers extending between said first and second side beams;

upstanding stiffeners mounted to reinforce said side walls;

at least a first of said upstanding stiffeners being located at a longitudinal station aligned with one of said cross-bearers;

said first upstanding stiffener having a base adjacent said one of said cross-bearers, and a tip upwardly distant therefrom,

said first upstanding stiffener having a pair of legs and a back extending between said legs,

said legs having toes oriented to mate with one of said side walls and thereby to form a hollow closed section tube; and

said base being wider in the longitudinal direction than said tip.

2. A rail road gondola car having:

a car body supported by a pair of rail road car trucks for rolling motion along rail road tracks, said trucks being spaced apart in a longitudinal direction;

said car body including a floor and lading containment walls standing upwardly from said floor;

said lading containment walls including first and second sidewalls running lengthwise along laterally spaced margins of said floor;

each of said first and second sidewalls including a sidewall sheet extending upwardly and lengthwise of said floor;

said first and second sidewalls each having a lower margin and an upper margin;

said first sidewall having a first sidewall reinforcement;

said first sidewall reinforcement having a base adjacent said lower margin of said first sidewall, and a tip distant from said lower margin of said first sidewall;

said first sidewall reinforcement having a back and a pair of first and second legs, said back and said legs being joined to define a channel section;

said first and second legs having toes mounted against said respective sidewall sheet, said back being spaced away from said sidewall sheet; and

said back of said reinforcement being wider at said base than at said tip.

3. The rail road gondola car of claim 2 wherein said gondola car has a first transversely extending cross-bearer and said first sidewall reinforcement is aligned with said first transversely extending cross-bearer when said rail road gondola car is viewed in side view.

4. The rail road gondola car of claim 3 wherein:

said cross-bearer is mounted beneath said floor;

said cross-bearer has a web and a flange, said web having a first margin mounted to said floor and a second margin distant from said floor, said flange running along said second margin of said web;

said back of said first sidewall reinforcement includes a portion extending below said floor;

said first and second legs of said first sidewall reinforcement include portions extending below said floor; and

said portions of said first and second legs extending below said floor mate with said flange of said cross-bearer.

5. The railroad gondola car of claim 4 wherein:

said floor includes a portion extending laterally outboard beyond the respective lower margins of said first and second sidewalls;

said portion of said back and said portions of said first and second legs of said first sidewall reinforcement extending below said floor are parts of a channel-shaped insert mounted between (a) said portion of said floor extending laterally outboard of said lower margin of said respective sidewall and (b) said flange of said first cross-bearer; and

said legs and back of said insert having web and flange continuity respectively with said legs and back of said first sidewall reinforcement above said portion of said floor extending laterally outboard of said lower margin of said respective sidewall.

6. The rail road gondola car of claim 5 wherein:

said first sidewall includes a sidewall extension mounted below said floor;

said sidewall extension is mounted between said floor and said flange of said first cross-bearer; and

said legs and back of said insert, said sidewall extension, said floor and said flange of said cross-bearer are welded together to form a six-sided box.

7. The rail road gondola car of claim 2 wherein said car has a main bolster extending cross-wise under said floor, said main bolster mates with a center sill at a truck center, and said first sidewall reinforcement is mounted in line with said main bolster when said railroad gondola car is viewed in side view.

8. The rail road gondola car of claim 7 wherein said back of said first sidewall reinforcement tapers smoothly from said floor to said tip.

9. The rail road gondola car of claim 8 wherein said first and second legs of said first sidewall reinforcement are also wider at said base than at said tip, whereby said first sidewall reinforcement diminished in both width and depth of section from said floor to said tip.

10. The rail road gondola car of claim 2 wherein said first and second legs of said first sidewall reinforcement are also wider at said base than at said tip.

11. The rail road gondola car of claim 2 wherein each said sidewall upper margin terminates at a respective top chord, said top chord running lengthwise along said sidewall, and said first sidewall reinforcement extends from said floor to said respective top chord.

12. The rail road gondola car of claim 2 wherein each said first sidewall also includes a second sidewall reinforcement having the features of said first sidewall reinforcement as recited in claim 2 , and said first and second sidewall reinforcements being mounted in line with first and second cross-bearers of said rail road gondola car when said car is viewed in side view.

13. The rail road gondola car of claim 12 wherein said rail road gondola car has a cross-tie located intermediate said first and second cross-bearers, and a third sidewall stiffener mounted in line with said cross-tie, said third sidewall stiffener being a channel section having toes mounted inward against said sidewall sheet, said third sidewall stiffener being of constant section from bottom to top.

14. The rail road gondola car of claim 2 wherein:

said first sidewall has at least a second upstanding sidewall reinforcement,

said second sidewall reinforcement has a base adjacent said lower margin of said first sidewall, and a tip distant from said lower margin of said first sidewall;

said second sidewall reinforcement also has a back and a pair of first and second legs forming a channel section;

said first and second legs of said second sidewall reinforcement have toes mounted against said sidewall sheet, said back being spaced away therefrom;

said back of said second sidewall reinforcement being wider at said base than at said tip thereof;

said gondola car has a main bolster extending cross-wise under said floor, said main bolster mates with a center sill at a truck center, and said second sidewall reinforcement is mounted in line with said main bolster when said railroad gondola car is viewed in side view;

said gondola car has a first transversely extending cross-bearer and said first sidewall reinforcement is aligned with said first transversely extending cross-bearer when said railroad gondola car is viewed in side view;

said back of said first sidewall reinforcement tapers smoothly from said floor to said tip;

said first and second legs of said second sidewall reinforcement are also wider at said floor than at said tip, and said second sidewall reinforcement tapers smoothly from said floor to said tip;

said sidewall upper margin terminates at a top chord, said top chord running lengthwise along said sidewall; and,

said first and second sidewall reinforcements both extend from said floor to said top chord.

15. A rail road gondola car having:

a rail road car body supported by a pair of rail road car trucks for rolling motion along rail road tracks, those trucks being spaced apart in a longitudinal direction;

said rail road car body including a floor and containment walls standing upwardly from said floor;

said containment walls including first and second side walls running lengthwise along laterally spaced margins of said floor;

each of said first and second sidewalls including a sidewall sheet extending upwardly and lengthwise of said floor;

said first and second side walls each having a lower margin and an upper margin;

said first sidewall having a first sidewall reinforcement;

said first sidewall reinforcement having a base adjacent said lower margin of said first sidewall, and a tip distant from said lower margin of said first sidewall;

said first sidewall reinforcement having a back and a pair of first and second legs, said back and legs defining a channel section;

said first and second legs having toes mounted against said respective sidewall sheet, said back being spaced away;

a first transversely extending cross-bearer;

said first sidewall reinforcement being aligned with said first transversely extending cross-bearer when said railroad gondola car is viewed in side view;

said cross-bearer having a web and a flange, said web having a first margin mounted under said floor and a second margin below, and distant from, said floor, said flange of said cross-bearer running along said second margin of said web, said flange of said cross-bearer being distant from said floor;

said back of said first sidewall reinforcement including a portion extending below said floor;

said first and second legs of said first sidewall reinforcement including portions extending below said floor; and

said portions of said legs of said first sidewall reinforcement extending below said floor mating with said flange of said cross-bearer.

16. The railroad gondola car of claim 15 wherein:

said floor includes a portion extending laterally outboard beyond said lower margin of said respective sidewall;

said portion of said back and said portions of said first and second legs of said first sidewall reinforcement are parts of a channel-shaped insert mounted between said portion of said floor extending laterally outboard of said lower margin of said respective sidewall and said flange of said first cross-bearer; and

said legs and back of said insert having web and flange continuity respectively with said legs and back of said first sidewall reinforcement above said portion of said floor extending laterally outboard of said lower margin of said respective sidewall.

17. The rail road gondola car of claim 16 wherein:

said respective sidewall includes a sidewall extension mounted below said floor;

said sidewall extension is mounted between said floor and said flange of said first cross-bearer; and

said legs and back of said insert, said sidewall extension, said floor and said flange of said cross-bearer are welded together to form a six-sided closed box.

18. The rail road gondola car of claim 15 wherein said first sidewall also has a second sidewall reinforcement having the same features as recited in claim 15 in respect of said first sidewall reinforcement, said first and second sidewall reinforcements being mounted in line with respective first and second cross-bearers of said rail road gondola car when said car is viewed in side view.

19. The rail road gondola car of claim 18 wherein said rail road gondola car has a cross-tie located intermediate said first and second cross-bearers, and a third sidewall stiffener mounted in line with said cross-tie, said third sidewall stiffener being a channel section with having toes mounted inward against said respective sidewall sheet, said third sidewall stiffener being of constant section from bottom to top.

20. The rail road gondola car of claim 15 wherein said respective sidewall upper margin terminates at a top chord, said top chord running lengthwise along said sidewall, and said first sidewall reinforcement extends from said floor to said top chord.