Well, now that I've seen an electric "railrider" I might as well post some pics of my electric kayak....my own handy work. Use two different motors small 10 lb thrust (in pics) for quiet water...and my larger 22 lb thrust for the bays and river currents. Use the same foot "slide/cables" for hands free foot steering like a kayak rudder. Batt box behind seat...hi/lo switch below seat front...fused....batt meter on the cockpit opening side. Motor releases by releasing cord that's clinched in cleat on other side of cockpit...and weight of motor lets it slide over and down into water. No lockdown since motor has forward speeds only. No need for reverse..can spin this kayak like airplane propellor since motor turns full 90 degrees either side!
Love the look on the face of the other kayakers when I buzz by with a drink in one hand and my fishing reel in the other...and a wake off the back end!
By the way I also created and had a welding shop build a carrier I use with my Mazda Miata....to transport the kayak. Now that was a trick of a design to figure that one out...but works like a charm!