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Ratchet, pawl

The sound of a mechanical device that allows continuous linear or rotary motion in only one direction while preventing motion in the opposite direction. Wikipedia


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Class breakdown
DatasetNumber of videosDuration hours
Overall7001.9
Evaluation610.2
Balanced train600.2
Unbalanced train5791.6
Learn more about the dataset parts.

We estimate this class has low quality

In a random sample of videos for this class, we found 2 / 9 (22%) were accurate. Note that quality in the unbalanced training set may be significantly lower. Learn more.

Evaluation videos for Ratchet, pawl

61
videos
0.2
hours
View all 61 videos

Balanced train videos for Ratchet, pawl

60
videos
0.2
hours
View all 60 videos

Unbalanced train videos for Ratchet, pawl

579
videos
1.6
hours
View all 579 videos