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How Does Hull Design Affect RC Boat Speed?
Deciding on an RC boat hull configuration requires that you consider several things. Give some though to what type of water you will be using the remote control boat in. This will make some determinations for you, as we will later discuss.
Hull configuaration is probably the single biggest decision you have to make. Sure you have the options of electric remote control boats, gas powered radio controlled boats and more. No matter what type of power source you choose the speed and stability are still determined by the hull type. Lets take a moment as look at the various options available.
Hydroplane or Catamaran Hull Designs- This hull design places two or even three surfaces in contact with the water at any one time. As a result, in this configuration, reduced surface area is in contact with the water which also reduces friction but more importantly air is trapped under the hull. The phenomenon that results from this trapped air is called “lift”. This reduces the surface contact between the radio controlled boat and the water thereby causing the speed of the boat to increase.
Catamaran and hydroplane hull designs are usually responsible for the fastest RC boats. One disadvantage to this hull configurations is lack of stability on choppy surfaces. If the water is rough high speeds are usually not attainable. On flat surfaces the speed attained by your radio controlled boat can be truly incredible.
Mono Hull Configuration – With this hull type there is a single surface that is constantly in contact with the waters surface. Often referred to as a “V-Hull”, the mono hull provides the best stability for radio controlled boats in choppy conditions.
There are two types of V-hull designs, one is the “Deep-V and the second is the “Shallow-V”. For remote control the most popular design is the Deep-V but the Shallow-V is a close second. The Shallow-V has less surface area in contact with the water when the boat is under power and consequently can go faster. It should be noted that in rough conditions the Deep-V is more stable and will therefore outperform a Shallow-V with equivalent power.
As you can see there are a number of compromises that need to be considered when buying your radio controlled boat. If it is sheltered where you operate your remote control boat you may enjoy having a catamaran or hydroplane design and the increased performance that is available from this hull type. If on the other hand you are operating in a choppier environment I highly recommend you stick with the Deep-V designed hull.
When it comes to racing RC boats they are normally broken down by hull type due to performance differences. You can be sure that no matter what type of boat you get you will have a wonderful time and be able to compete against other radio controlled boat owners.
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