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These drive units have two or more horizontal coils and in most cases are A.C. operated providing 120 vibrations per second. The 15 degree spring angle has proven best for these larger outside track bowls.
All bowls used with these drive units are mounted with rim clamps..
Drive Model |
Width |
Height |
Weight Lbs. |
Amps @115v |
Recommended Core Diameter (inches) Outside-Track Bowl |
D-15 |
15 |
10 1/8 |
165 |
6 |
15 |
D-18 |
18 |
11 1/4 |
260 |
8 |
18 |
D-21 |
21 |
11 3/8 |
355 |
9 |
21 |
D-24 |
24 |
11 3/8 |
450 |
9 |
24 |
D-27 |
27 |
11 3/8 |
530 |
10 |
27 |
D-30 |
30 |
11 3/8 |
665 |
15 |
30 |
* A fixed metal retainer is attached to each isolator (rubber foot).