Join Date: Dec 2006
Location: Long Island, New York
Bikes: a lowrider BMX, a mountain bike, a faired recumbent, and a loaded touring bike
Mentioned: 1 Post(s)
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Originally Posted by BlazingPedals
That looks like it works pretty well for your design, which is, as you admit, heavy. I tried something similar using two blocks of Delrin, but I considered it a failure because the blocks alone weighed over a pound apiece. Instead, what I came up with was... radiator hose clamps. On my V-Rex, the fairing mounts at two points: one just ahead of the head tube on the boom, and one in front of the bottom bracket. The mounts stay on the bike semi-permanently and the fairing frame just slides into them.
I used polyethylene instead of Delrin. Delrin costs a lot more than Polyethylene.
I don't care what the mounts weigh, the important factor is -"how much weight can be carried?".
Here, like I said the cargo fairing can carry eighty pounds.
And It's wonderful to have some protection against being "doored".
I should mention, I used 1"x4" polyethylene. I drilled a hole for the headtube first, then I cut it lengthwise.
Then the stretchy nature of plastic came into play. I had to drill the holes, and then push the drill sideways, which made elongated holes. the reason is because of the flexibility of the plastic, the holes no longer lined up when the bolts were tightened. I also had to drill with a drill-bit the next size larger than the bolts, because the plastic stretches around the bit, and when the drill was pulled out, the hole was smaller than 1/4".
Once the blocks were in place on the headtube, i used self tapping one x one quarter hex screws.
I currently don't have all of them in, if you look closely. I thought eight would be overkill.