1 answer

Aroad grader has 36" diameter wheels which are driven by a two-stage planetary gear train as...

Question:

Aroad grader has 36 diameter wheels which are driven by a two-stage planetary gear train as shown below. All years have 20 t
3a) Rotational speed of output shaft is: a)- 27 in/s b) -- 187 RPM c)-16 d) - 19.6 rad/ e) All of the above f) None of the ab
Aroad grader has 36" diameter wheels which are driven by a two-stage planetary gear train as shown below. All years have 20 teeth except for the fixed ring gear which has 60 teeth. If the road speed of the grader is to be 20 mph calculate the required rotational speeds of the output shaft and input shaft. Determine the overall input to output ratio. Input 20 mph Output Note, choose one or more than one of the following MC answers and then type the letter (s) corresponding to the question number in the estay section of this problem with supporting calculations contained on the scratch sheet. If the answer requires the correct answers pe that in the sun section as well. 3a) Rotational speed of output shaft is: a) - 27 in b) - 187 RPM c) -16 d) - 19.6 rads e) All of the above 1) None of the above, the correct answer is 3b) Rotational speed of input shaft is a) -352 inds b) - 4500 RPM c) - 100 d) -313 rad e) All of the above n None of the above, the correct answer is
3a) Rotational speed of output shaft is: a)- 27 in/s b) -- 187 RPM c)-16 d) - 19.6 rad/ e) All of the above f) None of the above, the correct answer is: 3b) Rotational speed of input shaft is: a) -352 in/s b) -4500 RPM c) -100 d)-313 rad/s e) All of the above None of the above, the correct answer is: 3c) If the rotational speed of the input shaft is limited e fixed by the engine and transmission, a simple means and attendant tradeoffs for increasing the ground speed of the grader are: a) Change gear ratios, but need to dissemble system b) increase engine speed, but it is constant c) Use flat belts rather than gears, but need to change system d) Increase wheel/tire size, but need to get new wheels/tires e) All of the above None of the above, the correct answer is

Answers

0 a Criven: veluty of output shaft zomph, diameeter 36 THE TI = 732 20 teeth T4 = 60 teeth 2 Solution: we have velocity Romp

Gear I Gear 2/3(20) (20) Gear 4 (60) Gear is totaling with a rom. 2. - 3 wix Aeld y yta yox as gear u is fixed as y- A = 0 Jy

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