CARPENTER CO. WEIGHT ESTIMATION GUIDE INTRODUCTION



CARPENTER CO. WEIGHT ESTIMATION GUIDE

INTRODUCTION

The following pages are Carpenter Co.'s updated Weight Estimation Guide. There are many new sizes listed in this book, and many of the weights have been estimated. Please remember?this is only an estimation guide for the amount of Rely? product needed to fill tires. This estimation was calculated using a mathematical formula which is based on the outside dimens ions of the tire and thus includes tread and sidewall thicknesses.

We emphasize again: this is an estimation guide because tire cavities are not identical. There are no standards on cavity size in the industry. This is the reason you can proce ss ten tires of the same size and brand and each tire could have a different filled weight.

There are also other reasons tires hold various amounts of Rely? product. For example stretching the tire casing can lead to a different weight. Any new bias tire can stretch from 5% to 10%. Radial tires will stretch as well, although not as much. Determining which tires will stretch and to what extent depends also on whether the tire is new, used or a retread. Each of these types will have a different amount of stretch, therefore each will take a different amount of Rely? product to reach the desired pressure.

However, the correct way to determine the exact amount of Rely? product a tire requires to be flat proofed is to weigh the mounted wheel and tire before and after it is filled to get the amount of product used.

If you have any questions, please call your Carpenter Co. representative.

Care has been taken to ensure the accuracy of the weights in Carpenter's Rely? Weight Estimation Guide. Carpenter is not responsible for any loss or damage that may result from its use. No allowance has been made for filled weight variations (more or less) which occur between different tire manufacturers.

The weights for some tires have been revised to reflect a more accurate amount of fill. Although tires will take various amounts of fill we believe this is the most current listing of new sizes and weights available to the industry today.

Assumptions to the accuracy of Carpenter's Rely? Weight Estimation Guide:

The weights shown in the charts assume the following;

1. Tires are being filled with Rely? T-25. The use of other brands and types of product will differ in weights.

2. The tires are mounted on the standard width rims listed. (Use of over or under sized rims will require more or less material respectively.)

3. The tires are pressurized to 100 percent of the maximum recommended pressure for each tire. This can be found on the sidewall of the tire, or the Tire and Rim Associations Inc. yearbook.

4. The diameters and section widths of the tires to be filled are in conformity with those specified by The Tire and Rim Association Inc. Yearbook. (Tires which do not conform to those standards may require significantly more or less material to fill.)

5. Tires being filled are new tires which have been pressurized (pre-stretched) with air to their maximum rated inflation pressure for 24 hours prior to being filled to allow the casing to "grow". (It is not recommended to fill used tires.)

1

ESTIMATIONGUIDE BYTIRESIZE

RIM DIAMETER

RIM WIDTH

4 INCHWHEELS

2.50

- 4

4

2.25

2.80

- 4

4

2.25

3.00

- 4

4

3.00

4.10

- 4

4

3.25

4.10 / 3.50

- 4

4

3.25

4.80

- 4

4

3.75

5.00

- 4

4

3.50

8.00

- 4

4

5.50

8.00 / 3.00

- 4

4

-

9

/ 3.50

- 4

4

2.75

9

/ 3.50

- 4

4

3.75

10 / 3.50

- 4

4

-

11 / 4.00

- 4

4

2.50

13 x 5.00

- 4

4

4.25

13.5 x 6.0

- 4

4

4.75

380 x 150

- 4

4

5.30

KGS

2 2 3 4 4 5 7 20 1 2 3 3 4 9 10 12

LBS

4 4 6 8 8 12 15 44 3 5 7 6 8 19 23 27

5.00

- 4.5

4.5

4.00

9

19

5 INCH WHEELS

3.40 / 3.00

- 5

3.50 / 3.00

- 5

4.00

- 5

4.10

- 5

4.10 / 3.50

- 5

5.00

- 5

6.50

- 5

11 x 4.00

- 5

13 x 5.00

- 5

450 x 190

- 5

5

2.75

3

7

5

2.75

4

8

5

3.00

3

7

5

3.25

5

10

5

3.25

5

11

5

3.50

4

9

5

3.25

5

10

5

3.00

4

8

5

5.00

5

10

5

6.30

19

42

24

- 5.5

5.5

6 INCH WHEELS

4.00

- 6

6

4.10

- 6

6

4.10 / 3.50

- 6

6

4.10 / 4.50

- 6

6

4.10 / 8.50

- 6

6

5.30

- 6

6

5.30

- 6

6

5.30 / 4.50

- 6

6

6.00

- 6

6

6.90 / 6.00

- 6

6

7.00

- 6

6

7.25

- 6

6

8.00

- 6

6

8.00

- 6

6

8.00

- 6

6

8.50

- 6

6

9.00

- 6

6

12 x 6

- 6

6

12 x 11.00 - 6

6

12 x 11.00 - 6

6

13 x 4.00

- 6

6

13 x 5.00

- 6

6

13 x 5.00

- 6

6

13 x 6.00

- 6

6

13 x 6.50

- 6

6

3.25

11

24

3.25

6

13

3.25

5

11

3.25

5

10

3.25

7

16

N/A

5

10

3.25

7

16

4.25

9

19

N/A

7

15

5.00

15

33

5.50

15

33

5.00

15

34

5.75

18

40

5.00

15

34

5.50

16

36

7.00

17

38

6.00

25

54

6.75

30

65

4.25

5

12

4.00

15

32

4.25

16

36

3.25

4

9

3.25

6

13

3.50

9

19

5.00

10

21

5.00

7

16

2

TIRE SIZE

RIM DIAMETER

14 x 4.50

- 6

6

14 x 5.00

- 6

6

14 x 5.50

- 6

6

14 x 8.00

- 6

6

14.5 x 5.50

- 6

6

15 x 6.00

- 6

6

15 x 6.00

- 6

6

15 x 6.00

- 6

6

15 x 6.50

- 6

6

16 x 4.50

- 6

6

17.5 x 6.25

- 6

6

18 x 7.00

- 6

6

26 x 6

- 6

6

26 x 10.5

- 6

6

360 x 135

- 6

6

380 x 150 / 15 x 6

6

16

- 6.50

6.5

26

- 6.5

6.5

6.00 - 6.5 / 420

x 150

6.5

32

x 6.6

6.6

25

x 6.75

6.75

7 INCH WHEELS

4.50

- 7

7

4.80

- 7

7

8.00

- 7

7

10.00

- 7

7

23.5 x 8.75

- 7

7

8 INCH WHEELS

3.00

- 8

8

3.50

- 8

8

4.00

- 8

8

4.10

- 8

8

4.50

- 8

8

4.50

- 8

8

4.80

- 8

8

5.00

- 8

8

5.50

- 8

8

5.70

- 8

8

5.70 / 5.00

- 8

8

6.50

- 8

8

6.50

- 8

8

6.50

- 8

8

7.00

- 8

8

8.00

- 8

8

15 x 4.50

- 8

8

15 x 6.00

- 8

8

16 x 4.40

- 8

8

16 x 5.50

- 8

8

16 x 6.00

- 8

8

16 x 6.50

- 8

8

16 x 7.50

- 8

8

16.5 x 6.50

- 8

8

17.5 x 5.75

- 8

8

18 x 5.00

- 8

8

18 x 5.50

- 8

8

18 x 5.75

- 8

8

18 x 6.5

- 8

8

18 x 6.50

- 8

8

18 x 7.00

- 8

8

RIM WIDTH

3.50 3.50 N/A 6.00 4.25 4.25 4.50 4.50 N/A 4.50 5.00 4.50 N/A 6.75 4.25 3.76 N/A 5.50 3.79 N/A N/A

KGS

8 8 7 10 7 9 10 13 12 45 17 16 20 54 9 12 13 20 15 14 16

LBS

18 18 16 21 16 20 23 28 27 98 38 35 45 119 19 27 28 45 34 30 36

3.75

7

15

2.50

6

14

6.50

30

65

8.00

45

99

6.25

16

36

N/A

4

3.25

5

2.50

8

3.25

7

3.25

9

3.50

10

3.75

10

3.75

12

N/A

15

4.50

14

4.50

14

3.75

18

5.25

27

5.38

17

5.50

21

N/A

10

3.00

8

4.25

11

3.50

7

4.25

11

N/A

12

5.38

13

5.38

15

5.38

13

4.25

11

N/A

5

4.25

12

4.25

12

5.25

18

5.38

18

4.33

14

8 12 17 15 20 22 20 27 34 31 31 39 60 37 47 20 18 25 15 25 26 28 33 29 24 12 26 26 40 40 31

3

18 x 18 x 18 x 18 x 18 x 18.5 x 18.5 x 19.5 x 19.5 x 20 x 20 x 20 x 21 x 21 x 21 x 21 x 21 x 21.8 22 x 22 x 22 x 22 x 22.5 x 23 x 25 x

TIRE SIZE

8.50

- 8

9

- 8

9.50

- 8

10

- 8

11

- 8

8.5

- 8

9.5

- 8

6.75

- 8

6.75

- 8

8.00

- 8

10.00 - 8

11.00 - 8

7.00

- 8

7.25

- 8

11.00 - 8

11.00 - 8

12

- 8

- 8

8.0

- 8

10.00 - 8

11.00 - 8

11.00 - 8

10.00 - 8

9.0

- 8

24.00 R 8

9 INCH WHEELS

4.00 4.80 / 4.00 5.00 6.00 6.90 6.90 / 6.00 15 x 6.5 18 x 11 20 x 7 20 x 11 21 x 8 21 x 8 21 x 9 22 x 7 22 x 7.75 22 x 11 24 x 13 25 x 12.00 25 x 13.00 34

10 INCH WHEELS

3.50 4.50 5.00 6.50 7.50 7.50 7.50 / 9.00 7.50 / 9.00 7.50 7.50 7.7 8.50 9.00

- 9 SL - 9 - 9 - 9 - 9 - 9 - 9 - 9 - 9 - 9 - 9 - 9 NHS - 9 - 9 - 9 - 9 - 9 - 9 - 9 - 9.9

- 10 - 10 - 10 - 10 - 10 - 10 SL - 10 - 10 - 10 - 10 SL - 10 - 10 - 10

RIM DIAMETER

8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8

RIM WIDTH

7.00 7.00 7.00 8.00 9.00 7.00 7.00 5.25 8.00 7.00 8.00 9.00 5.50 4.75 8.50 9.00 9.50 N/A 6.00 6.00 8.50 9.00 8.00 7.25 15.00

9

3.00

9

4.00

9

3.00

9

6.00

9

5.50

9

6.00

9

4.00

9

9.00

9

6.00

9

9.00

9

7.00

9

6.00

9

7.00

9

6.00

9

4.25

9

9.00

9

11.00

9

10.00

9

N/A

9.9

N/A

10

3.75

10

N/A

10

4.25

10

5.00

10

5.50

10

5.50

10

5.50

10

6.00

10

5.50

10

5.50

10

6.00

10

6.25

10

6.00

4

KGS

23 20 25 22 25 21 20 19 19 28 36 31 25 28 37 35 38 32 27 35 37 39 37 49 146

10 11 15 18 18 17 15 24 19 30 23 34 26 23 25 37 53 59 60 68

9 11 15 24 35 40 35 36 36 53 45 42 50

LBS

50 43 54 49 55 47 45 41 41 62 80 69 55 61 81 77 83 70 59 77 81 85 81 108 321

21 25 34 40 40 37 32 52 41 66 50 75 57 51 55 82 117 130 132 150

20 25 34 52 76 88 76 79 79 116 100 93 109

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