LSA Solutions
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- Jan 6, 2022
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I have a loc precision, Iris kit. The fins are flat on the top leading edge. Im curious if anyone sands down there fins to make them any more aerodynamic and to save weight?
This has been my experience too. When I started building rockets it seemed that all the literature said to sand airfoils so I did. I've noticed that those old rockets have picked up a lot of nicks. So now when I build rockets I round the fin edges. I think this is the most durable edge and the easiest edge to make consistent.You can make them aerodynamic, then they will be more prone to dings in the air foil.
Most people either just round them a little, or leave them square.
If they are light enough, they don't need to be so strong. I saw a couple of rockets have a streamer or parachute failure today and come down sideways with no damage.
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