Bulldozer Traction: Difference between revisions
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Industry standard traction: | Industry standard traction: | ||
*Cat D7 - 32k lb - with .9 | *Cat D7 - 32k lb - with .9 coefficient of traction on dry clay, it's 29k lb | ||
:*OSE double drive chain on 1/2" tracks has 7200 lb of tractive effort max. Thus, a four-tracked machine meets the performance of a CAT D7 | |||
*Cat D7 - 21k lb pull in 1947 - [https://itstillruns.com/1947-caterpillar-d7-bulldozer-specifications-8521449.html] | *Cat D7 - 21k lb pull in 1947 - [https://itstillruns.com/1947-caterpillar-d7-bulldozer-specifications-8521449.html] | ||
*Cat D7 agricultural tractor - 28k lb in 1959 - [http://www.tractordata.com/farm-tractors/002/9/8/2980-caterpillar-d7-tests.html] | *Cat D7 agricultural tractor - 28k lb in 1959 - [http://www.tractordata.com/farm-tractors/002/9/8/2980-caterpillar-d7-tests.html] | ||
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*Presentation with Definition of bulldozer function - [http://www.assakkaf.com/courses/ence420/lectures/chapter6.pdf] | *Presentation with Definition of bulldozer function - [http://www.assakkaf.com/courses/ence420/lectures/chapter6.pdf] | ||
*Note - coefficient of traction max of 1 seems to be a misleading, as extremely aggressive tracks transition to a different mechanism than traction | *Note - coefficient of traction max of 1 seems to be a misleading, as extremely aggressive tracks transition to a different mechanism than traction | ||
=Suggestions= | |||
Revision as of 17:31, 12 January 2018
Industry standard traction:
- Cat D7 - 32k lb - with .9 coefficient of traction on dry clay, it's 29k lb
- OSE double drive chain on 1/2" tracks has 7200 lb of tractive effort max. Thus, a four-tracked machine meets the performance of a CAT D7
- Cat D7 - 21k lb pull in 1947 - [1]
- Cat D7 agricultural tractor - 28k lb in 1959 - [2]
- Cat D6 - drawbar pull only half the weight the machine - 17k vs 33k lb weight - [3]
Links
- Presentation with Definition of bulldozer function - [4]
- Note - coefficient of traction max of 1 seems to be a misleading, as extremely aggressive tracks transition to a different mechanism than traction