I added a trap to the 40-20m fan dipole, so it can get 80m.
Here is a iPhone Panorama photo of the antenna mounted 6 ft above chimney at home.
Unfortunately the 40m is too short resonate at 7.35Mhz , and I need 16″ add to it, which means a new wire. 20m is tuned at 7.150 Mhz, and 80m at 3.750mhz.