Tag: Mark Farver
![Builder and pilot Mark Farver stands alongside his Continental IOX-340 powered RANS S-21. [Credit: Mark Farver]](https://www.kitplanes.com/wp-content/uploads/2026/09/Copy-of-build-38-Topaz-Gigapixel-2x-scale.jpg?w=324&h=160&crop=1 "Cross-Country in a Homebuilt RANS S-21 Outbound to Oshkosh"){kind=tracking}
In Case You Missed It
Drilling a Straight Hole in Aluminum.
One of the fundamental skills a builder needs to develop on just about any...
Wind Tunnel
Sometimes adding accoutrements, paint, interior embellishments and other must-haves can result in a weight penalty that is difficult to overcome.