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For OLD TAN II rubber ONLY!! The new TAN rubber is a different thickness and cross-sectional area, so these charts would have to be adjusted upward to find the equivalent rubber size. A GREAT set of charts to get you started with your indoor rubber models! TAN II rubber breaking point chart: (completed 6-20-95) Chart shows rubber breaking point for rubber sizes from 0.026 to 0.129 inches. STP Son-of-a-Gun was used as the lubricant for these tests, and two motors of each size were broken for this chart. Use as starting point to determine maximum winds. I pick the motor size off the chart, then wind to 85-90% of chart value depending on how accurately I've stripped the rubber, and how much brave I've got. No-Cal model rubber sizing chart: INDISPENSABLE! Take the guess-work out of determining the rubber width required for your No-Cal model. If you know your model's weight in grams, this chart will tell you what width rubber to start with. Chart assumes motor length 2 times prop hook to rear hook, prop diameter between 6 and 7.5 inches, and covers model weights from 1.5 to 26 grams. A GREAT chart, and VERY useful for initial No-Cal flight trimming. |
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AERO ACES is a TRADEMARK of Michael A. Morrow. © All Images, drawings, plans, articles, and kits, are Registered & Copyrighted by Michael A. Morrow |