Peter Volken Smidt – episode 3 – Electrifying a Contest 30
Introduction Robust-MT Marine Technology BV
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In episode 1, we met Peter Volken Smidt. In episode 2 , the engine of the Contest 30 was removed. In this episode, we read about how the Contest 30 "went dry."
A boat on dry land and removing remaining parts
Because the boat was still in the water while it was being drained of its old diesel, it wasn't possible to remove all the parts at once. In particular, the propeller shaft and the water-cooled exhaust, etc., had to remain in place to prevent the boat from sinking to the harbor floor. In early October 2022, a year later than hoped, the boat was lifted out of the water. First, I removed all the remaining old debris.
Between purchasing the new electric motor and actually electrifying the boat, I had plenty of time to think about it. For example, I discovered that the location of the propeller is quite decisive for the boat's maneuverability. Since I don't have a bow thruster, especially at low speeds and for maneuverability, it's important that the propeller is close to the rudder. It's no coincidence that the current propeller is so close to my rudder blade. Ideally, this should also be the location of the new propeller.
Hull shape
It's also important that the hull shape where the pod motor will be mounted is as flat as possible, so the propeller hangs as horizontally as possible, rather than at an angle. The old propeller currently protrudes from the hull at a point where the hull slopes upwards towards the waterline. This is far from ideal for installing the new motor.













