LEGO Medium Stone Gray Power Functions Energy Motor (87577)
Lego name: Power Functions Energi Motor 4 x 6 x 3 (Power Functions)
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| Design ID | 87577 |
| Item No | 4584384 |
| BOID | 481885-64 |
| Stud Size | 6 x 4 x 3 |
| Year Released | 2010 |
1.9" x 1.3" x 1.1" | |
| In 11 Wishlists | |
| 3 Available from US $37.24 | |
Due to the internal gear ratio of 9.5:1, the Energy Motor has a maximum torque of about 4.5 Ncm and about 800 rotations per minute. This makes the E-Motor the fastest Power Functions motor of the series. It also serves as a very efficient generator.
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| Condition | Name | In Stock | Price | Price + Shipping | Store | |
|---|---|---|---|---|---|---|
 | Used (Good) | Medium Stone Gray Power Functions Energy Motor | 2 | US $37.16 | US $43.16 |  We Game to Please (1572)Shipping US $6.00 |
| New | Medium Stone Gray Power Functions Energy Motor | 1 | US $83.71 | US $126.76 |  Forever Sorting (293)Shipping US $43.04 Minimum Order US $107.63 |
Due to the internal gear ratio of 9.5:1, the Energy Motor has a maximum torque of about 4.5 Ncm and about 800 rotations per minute. This makes the E-Motor the fastest Power Functions motor of the series. It also serves as a very efficient generator.
. LEGO Medium Stone Gray Power Functions Energy Motor has been used in at least 2 LEGO sets over the past 14 years, since it was first used in 2010. It has a design ID of 87577 which can usually be found molded into the bottom of the part.