Ad Luxury Cobalt Boats in Lake Geneva WI. At 10 feet in length youre generally looking at a 25-35hp outboard engine with some models allowing for up to a 5hp engine. Time DistanceSpeed 4 hours 30 minutes 45 hours Total time taken 30 15 x 30 15 x 45 3015 x 3015 - x 15 x 15 x 45 450 30x 450 30x 45 225 x 2 900 45 225 x 2 200 225 x 2 x 2 25 x 5 The speed of river is 5mph.
If I let it cool off for a few mins it will run well again for a few mins. View Queries As shown in the equation and discussed in the identification of the problem the actual motion of the boat relative to land v b depends both on how you row the boat v bw and on the current that carries the water downstream vc. Most sailors switch to engine at sailing speeds below 6 knots especially when on passage. Thats usually around 7 mph and up depending on the hull and crew.