Quartzfest 2022

I will be doing several presentations at Quartzfest 2022. Here are some brief lists of what I plan to cover. If you are going to be at Quartzfest and have an ebike or antenna launcher you might bring it to the corresponding presentation so others can see various examples of the technology.

Mon 1/24 1230pm – Ebikes for RVing and Fun

types of electric bike systems and bicycle types; direct and geared hubmotors, mid drives; folding, recumbent, suspension, fat tires; conversions vs factory ebikes; advantages and disadvantages of commercial ebikes; batteries (lithium for the win, just say no to lead); motor control electronics; ebike maintenance; transmissions – sprockets, chains; brakes – rim, disc, cable, hydraulic; tires, tubes, tubeless and flats


Tue 1/25 900am – Antenna Launching – Hardware & Tricks

types of antenna line launchers, pro’s and con’s; slingshots, bows and archery, arborist’s tools; safety and performance; pneumatic launcher; sworking with various launchers; different types of antennas – hoisting dipoles, verticals and yagis; live demo


Wed 1/26 830pm – 3D Printing for Ham Radio

3D FDM Printing (fused deposition modeling); 3D printing materials and properties; 3D printers, support infrastructure; slicing and printing; sources of designs (models)internet repositories of designs; make your own designs; design tools, a very brief review of common tools; OpenScad examples

Hope to see you there, Alan, w6akb