RC Boats

Most RC Boats everyone will imply that you mean RTR, correct? Of rtr's, brushless electrics will be the fastest also the most expensive. Some of the more popular ones are ProBoat's BlackJack 26 brushless, fastech brushless, their brushless elam, and their new brushless boat. Aquacraft is also another very popular brand name. Their sv27 and UL-1 brushless boats are very fast. Aeromarine puts out a few high priced models and minicat racing has some models that are extremely fast. When looking for the "fastest" there are several factors to consider. Hull type, battery type, motor, speed controller, prop, and water conditions. For example, a hydro hull will be faster than a v-hull but you better be on very calm water with a hydro or it go airborne; where as the v-hull will be able to handle rough water the best. Also a v-hull will cleave the water and turn sharper that a flat hull will which will slide in turns unless a turn fin is added. For power Lithium Polymer aka LiPo are lighter and put out more current to weight than Nickel Metal Hydride aka NiMH's do and last much longer, however they are also more expensive. The advantages of NiMH are that each cell is at 1.2volts at charge while LiPo cells are usually at 3.7v per cell. For instance a 6 cell NiMH standard pack is 7.2v while a 2 cell LiPo is 7.4v. The advantage comes into play when choosing power setups. For example, Lets use the SV27. If we have 2 sv27's one with 2 7.2v NiMH packs and one with 2 7.4v LiPo's the LiPo boat will go at least 5-7mph faster than the SV27 with the NiMH's. But add a cell to each of the NiMH packs making them 8.4v each and the LiPo SV27 will no longer be the fastest. If you were to do the same thing to the LiPo's by adding a cell, now each LiPo pack is 11.1v combined for 22.2v!!! The SV27's motor and speed controller will fry.

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