The frame was a slimline featherbed Norton Atlas. Tritons - Triumph twin engines in a Norton featherbed frame. The Norton featherbed was the preferred frame, hence the Triton. It had a TIG-welded, rigid, double-cradle tubular steel frame, based on the Norton Featherbed. More modern Tritons use a Triumph unit construction twin in a Featherbed frame. In 1950, the featherbed Manx recorded a double hat-trick of podium positions at the TT. Feathers for a featherbed could be saved from geese or ducks being prepared for cooking. All three models share the same "featherbed" style double-cradle frame, and proprietary leading-link front suspension. The previous featherbed framed models like the Atlas had vertically mounted engines. With these modifications complete the bike's wheelbase was the same as a Norton featherbed; . The most common was the Norvin, using a Norton Featherbed frame. This bike was reputed to vibrate less than the Featherbed frame model. This is colloquially known as a "featherbed". Well known sections also include the Featherbed Mountain, the section below Kippure Mountain. There is access from Featherbed Lane, Farleigh Dean Crescent and Thorpe Close.