Gear ratio of a compound gear train continued



Gear ratio of a compound gear train-Worksheet

[pic]

1) Calculate the gear ratio of the compound gear train above. _____________ ratio

For every turn of gear "A" how many turns will gear "D" complete? _________ turns

Is this a speed multiplier? _________ (yes/no)

If the driver gear was directly connected to our Lego motor (170 rpm’s) in this configuration, what would be the output rpm’s? ______________ rpm’s

[pic]

2) Calculate the gear ratio of the compound gear train above. _____________ ratio

For every turn of gear "A" how many turns will gear "D" complete? _____________ turns

Is this a speed multiplier? _________ (yes/no)

If the driver gear was directly connected to our Lego motor (170 rpm’s) in this configuration, what would be the output rpm’s? ______________ rpm’s

[pic]

3) Calculate the gear ratio of the compound gear train above. _____________ ratio

For every turn of gear "A" how many turns will gear "D" complete? _____________ turns

Is this a speed multiplier? _________ (yes/no)

If the driver gear was directly connected to our Lego motor (170 rpm’s) in this configuration, what would be the output rpm’s? ______________ rpm’s

[pic]

4) Calculate the gear ratio of the compound gear train above. _____________ ratio

For every turn of gear "A" how many turns will gear "D" complete? _____________ turns

Is this a speed multiplier? _________ (yes/no)

If the driver gear was directly connected to our Lego motor (170 rpm’s) in this configuration, what would be the output rpm’s? ______________ rpm’s.

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