6.7 A pneumatic-tired tractor with a 354-hp engine has a maximum speed of 3.6 mph in first gear. Determine the maximum rimpull of the tractor in each of the indicated gears if the engine efficiency is 91%. Gear Speed eed (mph) First 3.8 Second 6.5 Third 11.5 Fourth 20.0 2 .The tractor weighs 31.7 tons. It is operated over a haul road having a slope of +1.2% and a rolling resistance of 84 lb/ton. Determine the maximum external pull by the tractorin each of four gears.
6.7 A pneumatic-tired tractor with a 354-hp engine has a maximum speed of 3.6 mph in first gear. Determine the maximum rimpull of the tractor in each of the indicated gears if the engine efficiency is 91%. Gear Speed eed (mph) First 3.8 Second 6.5 Third 11.5 Fourth 20.0 2 .The tractor weighs 31.7 tons. It is operated over a haul road having a slope of +1.2% and a rolling resistance of 84 lb/ton. Determine the maximum external pull by the tractorin each of four gears.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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6.7 A pneumatic-tired tractor with a 354-hp engine has a maximum speed of 3.6 mph in first gear.
- Determine the maximum rimpull of the tractor in each of the indicated gears if the engine efficiency is 91%.
Gear Speed eed (mph)
First 3.8
Second 6.5
Third 11.5
Fourth 20.0
2 .The tractor weighs 31.7 tons. It is operated over a haul road having a slope of +1.2% and a rolling resistance of 84 lb/ton. Determine the maximum external pull by the tractorin each of four gears.
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