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2007 Scale & Non-Scale Events
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Resizing Aircraft Plans Calculating the Scale Factor |
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To calculate a
scale factor for the size you want to enlarge or reduce your
plans too, just invert the scale of the plans you have - divided
by the inverted scale of the plans you wish to build from. For
example if your plans are 1/5 scale and you desire to go to 1/3,
simply divide 5 by 3. This result gives you a scale factor of
1.67 for 1/3 scale or 1.25 for quarter scale. Since the maximum paper size of the large copy machines I’ve seen at Kinko’s is 36", divide this by your scale factor to get the maximum size of your current plan to be enlarged. So we divide 36 by 1.67 we get 21.6 for 1/3 scale and 28.8 for ¼ scale. If we cut the original 1/5 scale plans into strips not over 21.5", they can be joined end to end and put through the copier. This way the maximum surface area can be utilized and that’s what you pay for. To give you an example, if the original plan is 36x80, when enlarged to 1/3 scale the joined together the size of the plan would be 60x133. That’s big! |
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Dynamically
Scaled Values:
Don't forget to review our information sheet on Dynamically Scaled Values. This contains formulas use by professional aircraft designers and my help you in your redesign efforts.
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