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carbon fiber wing wheel dolly
On Jul 28, 8:37*am, Bob Kuykendall wrote:
On Jul 27, 10:14*pm, Brad wrote: ya know, that is a pretty cool looking contraption, but from a homebuilder point of view, making it out of aluminum tubing, extrusion and flat sheet is much easier and less labor intensive. might be a bit heavier, but not much. of course the wing cuff would be composite! Actually, the carbon has some pretty compelling advantages. It is a lot lighter, so that it is easier to stow, carry, and attach. I think that carbon sleeve over EPS or EPP rod would indeed do the trick for the arm. If you were serious about it, you'd have a high- pressure female mold, and mold the part by inflating a plastic bladder inside the sleeve material, but the male molded part would be almost as stiff and easier and cheaper to make for just one or two. As Dave points out, it can be made springier, so that the goofy steel spring and shock absorber isn't required. The way it grabs the axle on only one side of the wheel is a neat trick, but the greater bending loads makes the axle heavier than if the arm were forked. As Andy points out, the leading arm might be divergent, but I don't think that it is actually unstable except at very high speeds and loads. Thanks, Bob K. I like the whole concept except the fact I then will need to add weight to the wingwheel or tip on that side to prevent the other wing from hitting the ground. Similar to when you tow out with water. Sometimes lighter is not better. |
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