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Old 05-22-2019, 06:13 AM
  #18  
aaindthu
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Join Date: Aug 2018
Location: i live in chennai, tamil nadu, India
Posts: 120
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Originally Posted by Jools View Post
Now, mate, for your next design, use a better airfoil. That one in your pic is a very high-cambered very thick airfoil, which might be okay on very light wind days, but it won't have the wide speed range that's needed on the slope. You should build LIGHT but make provision to add plenty of ballast for penetration in better lift days. SD7084 is one of my favourites.
Go fer it!
Yes sir!! I did change my flat bottom airfoil to a semi symmetrical one. But it is just a hand drawn airfoil. I don't have a name for it.
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