Since new juniors from science olympiad are venturing into F1D, I built a solid F1D motorstick to see how the ease of construction compares with the weight gain. As a junior, a solid motorstick is much easier to build than a motor tube. Attached is a picture of the completed stick. It came out at a whopping 438mg, but with a variable pitch prop it still needs 20mg of ballast. When I was starting out F1D, for me the hardest part was getting the webs positioned correctly in the motorstick without crushing the tube. This motorstick takes that out of the equation. Many of the parts on this stick can be cut back to conserve weight. The extension is a piece of 4.1# .017" (I used it because I had it laying around), the posts are heavy using .070" with .004" boron, and the bracing post doesn't do much work. It flies well and has a healthy amount of wing wash that allows it to climb with ease.
Pros:
-Easy/Quick to Build
-Easy to handle
-Survive exploding motors
-Great compressional stiffness (I don't even think the bracing post/wire is necessary)
Cons:
-Heavy
-Not the best torsional stiffness
What do you all think?
Evan
- application/x-ygp-stripped attachment: stored
Received on Thu Jul 09 2015 - 11:14:27 CEST