Our machine is almost ready to go, the blades have been fibreglassed (see my latest diary entry, now we still need to make a tail and then put the whole thing together.
I was wondering if there is any rule of thumb that I can follow by picking an iniital tail size ? The machine has a 16' prop, variable pitch and will sit 60' above the ground. Windspeeds here vary wildly, directions too (pretty 'gusty' winds). I'd like the machine to move nice & slow, but I don't have the time anymore to do any fancy yaw braking schemes before the winter will set in so for now we'll go with a passive tail. I intend to make the tail adjustable in distance from the 'hub center' but I would need to know at least what the approximate correct distance should be.
I'm wondering: how large should the tail be (surface area) ? how far away from the center of the hub ? Does the shape matter ? What material should I use ?
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