| The Dou drive comes with a power plug that plugs into the Graupner recommended speed controller. Since I'm not using their speed controller, I won't be using the plug. |  |
| Instead, I am going to use a Pro Boat controller. It fits pretty will in the hull. The little external circuit board is a LiPo saver since the speed controller does not have a low voltage cutoff that is required by LiPo batteries. |  |
| To prevent the motor screws from backing out, I used some thread lock on them. |  |
| It's a tight fit! Notice the trimming done on the inside lip to provide clearance once the gears are installed. |  |
| Here you can barely see that the grease tubes are crossed with the right one coming out the left access hole. |  |
| I filled the tubes with some Vaseline. I found that the grease would get pushed out of the tube while running so put something in the ends to cap them off once you fill them. |  |
| The finished assembly, It's a nice compact design. |  |
