How To Find Out The Scale Of Your RC Modelby Todd Breda
There are times when you need to find out what the scale of your model is. For myself, often times I am wanting to replace the stock pilot but it doesn't do me much good if I don't know the scale of my model. Below you will find a simple three step method that will supply you with your answer so you can make the right choice for your model.
Let's say I want to find out the scale of my Freewing P-38 Lightning. Let's use millimeters since that is the most common wing measurement for RC electric airplanes.
Take the wingspan of the full scale plane and convert it into millimeters. A quick search online shows that the P-38 Lightning had a 52 feet wingspan. Convert 52 feet to millimeters using a calculator and you will see it is 15,849 millimeters.
Next we divide the full scale wingspan by the model's wingspan. Since the Freewing P-38 Lightning has a 1600mm wingspan simply divide 15,849 by 1,600 which will give you 9.90. (15849 / 1600 = 9.90).
This gives you a ratio of the model to the full scale in millimeters which in this case is 9.90 or in other words approximately 1/10 scale. You round up or down based on the number after the decimal. So 9.4 would be 1/9 scale and so on.
I hope you find this formula easy to use to help you determine your RC model's proper scale.
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