Motor Classes
| Impulse Class | Min. Newtons | Max. Newtons | Min. Pounds | Max. Pounds |
| A | 1.25 | 2.5 | .28 | .55 |
| B | 2.51 | 5 | .55 | 1.10 |
| C | 5.01 | 10 | 1.10 | 2.2 |
| D | 10.01 | 20 | 2.2 | 4.41 |
| E | 20.01 | 40 | 4.41 | 8.81 |
| F | 40.01 | 80 | 8.81 | 17.62 |
| G | 80.01 | 160 | 17.62 | 35.24 |
| H | 160.01 | 320 | 35.24 | 70.48 |
| I | 320.01 | 640 | 70.48 | 140.97 |
| J | 640.01 | 1280 | 140.97 | 281.94 |
| K | 1280.01 | 2560 | 281.94 | 563.88 |
| L | 2560.01 | 5120 | 563.88 | 1127.75 |
| M | 5120.01 | 10240 | 1127.75 | 2255.51 |
| N | 10240.01 | 20480 | 2255.51 | 4511.01 |
| O | 20480.01 | 40960 | 4511.01 | 9022.03 |
| P | 40960.01 | 81920 | 9022.03 | 18044.05 |
| Q | 81920.01 | 163840 | 18044.05 | 36088.11 |
| R | 163840.01 | 327680 | 36088.11 | 72176.21 |
| S | 327680.01 | 655360 | 72176.21 | 144352.42 |
| T | 655360.01 | 1310720 | 144352.42 | 288704.85 |
| U | 1310720.01 | 2621440 | 288704.85 | 577409.69 |
| V | 2621440.01 | 5242880 | 577409.69 | 1154819.38 |
| W | 5242880.01 | 10485760 | 1154819.38 | 2309638.77 |
| X | 10485760.01 | 20971520 | 2309638.77 | 4619277.53 |