SIMPLE TRACTION ENGINES


| January/February 1955



Note-All dimensions are in inches, except as noted.

STANDARD 

UNIVERSAL 

 Burns Coal or Wood Burns Coal, Wood or Straw

Diameter of Cylinder.................................................

6

 7?

8

8?

9

10

7?

8

8?

9

10

Stroke of Piston..........................................

8

10

10

12

13

13

10

10

12

13

13

Revolutions per minute........................................

300

275

275

230

230

230

275

275

230

230

230

*Indicated H.-P.-Engine running empty................................

1.62

3.

3.5

4.

4.5

4.5

3.

3.5

4

4.5

4.5

*Indicated H.-P.-Engine running on road...............................

6.8

13.

15.

18.

18.5

18.5

13.

15.

18.

18.5

18.5

*Indicated H.-P-Engine pulling empty wagon (3,115 lbs.)................

7.1

14.

16.

19.

19.5

19.5

14.

16.

19.

19.5

19.5

*Indicated H.-P-Engine pulling 1 ton on wheels.........................

8.3

15.

17.

20.

20.5

20.5

15.

17.

20.

20.5

20.5

*Indicated H.-P.-Engine pulling 9 tons on wheels........................

14.8

18.5

20.

23.

23.5

23.5

18.5

20.

23.

23.5

23.5

Nominal H.-P.......................................................

8

12

16

20

25

30

12

16

20

25

30

Indicated H.-P......................................................

24

36

48

60

75

90

36

48

60

75

90

No. of Revolutions of Engine to one of Rear Wheel......................

20.8

25.

25.51

25.

25.

25.

25.51

25.51

25.

25.

25.

Speed on Road in miles per hour.......................................

2.27

2.11

2.11

2.11

2.11

2.11

2.11

2.11

2.11

2.11

2.11

Diameter of Circle in which Engine will turn, in feet.....................

22?

28

28

28

40

40

28

28

28

40

40

Diameter of Cross Shaft..............................................

23/8

3?

3?

3?

4

4

3?

3?

3?

4

4

Diameter of Balance Wheel..........................................

32

36

36

42

42

42

36

36

42

42

42

Face of Balance Wheel..............................................

8

10

10

12

14

14

10

10

12

14

14

Weight of Balance Wheel.............................................

300

450

450

700

920

920

450

450

700

920

920

Diameter of Rear Road Wheel.........................................

53

66

66

66

66

66

66

66

66

66

66

Face of Rear Road Wheel............................................

8

14

16

20

24

24

20

20

20

24

24

Diameter of Front Road Wheel........................................

36

42

42

42

42

42

42

42

42

42

42

Face of Front Road Wheel............................................

4

6

8

8

10

10

10

10

10

10

12

Width of Tread over all...............................................

62?

77?

86?

101?

112

113?

95?

98

101?

111?

113?

Diameter of Shell of Boiler............................................

22

26

28?

32

32

34

26

28?

32

32

34

Length of Tubes in Boiler.............................................

63

72

72

90

90

90

72

72

90

90

90

Diameter of Tubes in Boiler...........................................

1?

2

2

2

2

2

2?

2?

2?

2?

2?

Number of Tubes in Boiler............................................

28

33

38

50

50

58

This does not include

24

28

36

36

39

Height of Fire Box...................................................

38

36?

39

443/8

443/8

46

31

37

37

37

41

Length of Fire Box.................................................

29?

35?

39?

38?

49

52

395/8

427/8

43

49

52

Width of Fire Box...................................................

19

22

24

26

26

29

21

23?

27

27

29

Area of Grate Surface, in square feet...................................

3.92

5.46

6.54

6.99

8.84

10.5

5.7

7.

8.

9.2

10.5

Diameter of Stack....................................................

8?

11

11

11

11

13

11

11

11

11

13

Height of Stack......................................................

38

42

42

42

42

44

42

42

42

42

44

Weight of Engine-Complete without water.............................

9000

15300

16850

20380

22300

24200

16450

18300

21002

23800

24750

Weight of Boiler-without water.......................................

2430

3350

3725

4300

4522

5000

3600

3900

4562

4562

5162

No. of gallons Water in Boiler when glass shows 2 inches..................

70

145

197

285

300

370

145

200

360

360

430

No. of Square Feet of Heating Surface..................................

100

143

160

246

256

289

147

177

263

263

285

Length over all......................................................

170

196

195

213

222

225

203

205

222

222

225

Width over all.......................................................

66

78

84?

92

106?

108?

94?

96?

100?

106?

108?

Height over all......................................................

94

105

110

114

116

116

110

112

114

116

120

Capacity of Water Tanks, in gallons....................................

60

60

125

125

125

125

60

125

125

125

125

Coal Capacity, in pounds.............................................

230

230

440

440

440

440

230

440

440

440

440

Shipping Weight (in 2 boxes for ocean shipment), gross lbs................

10602

17675

19450

23230

28150

29050

19250

21860

25152

29050

30000

Shipping Weight (in 2 boxes for ocean shipment), tare lbs.................

1620

2375

2600

2850

4850

4850

2800

3560

4150

5250

5250

Shipping Weight (in 2 boxes for ocean shipment), net lbs.................

9000

15300

16850

20380

22300

24200

16450

18300

21002

23800

24750

Cubical Contents, in feet..............................................

350

500

550

600

750

800

700

750

825

900

950

*These are tabulated results of actual performance of engines on ordinary level roads, and not merely theoretical examples.