Tensioning element Boomerang size 2 normal force 175 N hard 220 N
| Size | 2 |
|---|---|
| F max. at normal [N] | 175 |
| F max. at hard [N] | 220 |
| s max. normal [mm] | 50 |
| s max. hard [mm] | 40 |
| D [mm] | 58 |
| E [mm] | 78 +1,5 -0,5 |
| G [mm] | 6 |
| H [mm] | M10 |
| J1 [mm] | 100 |
| J2 [mm] | 80 |
| K [mm] | 30 |
| L [mm] | 115 |
| M [mm] | 30 |
| N [mm] | 35 |
| O [mm] | 10,5 |
| P [mm] | 8,5 |
| Q [mm] | 25,3 |
| T [mm] | 10,5 |
| MA [Nm] | 49 |
| Weight [kg] | 0,75 |
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Material: Housing sintered steel, lever St52. These tensioning elements are used to compensate the slack in extremely long chain drives. The slack length passes in an S-shape through the supplied sprockets or pulleys so that the lever works as a compensator. This system thus offers a triple compensation of the slack compared to standard tensioners.