[source:
http://www.gizmology.net/pulleysbelts.htm]
|
Nominal Driver Speed (rpm) |
HP per belt |
435 |
585 |
690 |
870 |
1160 |
1750 |
3500 |
1/2 |
3V |
3V |
3V |
3V |
3V |
3V |
3V |
3/4 |
3V |
3V |
3V |
3V |
3V |
3V |
3V |
1 |
3V |
3V |
3V |
3V |
3V |
3V |
3V |
1-1/2 |
3V |
3V |
3V |
3V |
3V |
3V |
3V |
2 |
3V |
3V |
3V |
3V |
3V |
3V |
3V |
3 |
3V |
3V |
3V |
3V |
3V |
3V |
3V |
4 |
3V |
3V |
3V |
3V |
3V |
3V |
3V |
5 |
3V |
3V |
3V |
3V |
3V |
3V |
3V |
7-1/2 |
3V |
3V |
3V |
3V |
3V |
3V |
3V |
10 |
3V |
3V |
3V |
3V |
3V |
3V |
3V |
15 |
5V |
3V |
3V |
3V |
3V |
3V |
3V |
20 |
5V |
3V |
3V |
3V |
3V |
3V |
3V |
25 |
5V |
5V |
3V |
3V |
3V |
3V |
3V |
30 |
5V |
5V |
5V |
3V |
3V |
3V |
3V |
40 |
5V |
5V |
5V |
5V |
3V |
3V |
3V |
50 |
5V |
5V |
5V |
5V |
5V |
3V |
3V |
60 |
5V |
5V |
5V |
5V |
5V |
3V |
3V |
75 |
5V |
5V |
5V |
5V |
5V |
5V |
3V |
100 |
5V |
5V |
5V |
5V |
5V |
5V |
3V |
125 |
8V |
5V |
5V |
5V |
5V |
5V |
3V |
150 |
8V |
8V |
5V |
5V |
5V |
5V |
5V |
200 |
8V |
8V |
8V |
5V |
5V |
5V |
5V |
250 |
8V |
8V |
8V |
8V |
5V |
5V |
5V |