I'm building my old Raleigh back up with parts I have sitting around, and want to make it somewhat weatherproof. Rear fender is most important to me. Now, it has very little clearance underneath the brakes and against the seat tube, even with 700x23c tires, so I can't use a normal fender. However, I have a rear rack on the bike, which I intend to use with a rack-top trunk.
And I'm wondering if there are fender designs that I can attach to the underside of the rack, with zip-ties or something. Here are a couple of photos. This wouldn't protect the brakes or seat-tube/drivetrain area, but would keep spray from going up on my back.
Thanks for any thoughts or feedback here.