Chinook EVO
9-cell semi-elliptical V-rib tandem main (since 2018) built for stability in turbulence and soft landings; max wing loading 1.6 lb/sq ft. Max exit weight per size is derived from that limit.
Category: Tandem
Stealth-2
Second-generation 9-cell tandem main designed for comfortable openings, flight, landings and packing.
HOP 330
9-cell, 330 sq ft (30.66 m²) tandem main of the MarS-T system, 20 suspension lines; max load 227 kg, opening speed range 120–335 km/h.
SET-400
Semi-elliptical 400 sq ft tandem main with soft openings and predictable, soft landings; ZP top and bottom skins with 0–3 cfm ribs.
SET-366
Semi-elliptical 366 sq ft tandem main with soft openings, responsive flight and lighter toggle pressure; ZP top and bottom skins with 0–3 cfm ribs.
FTM2
9-cell, slightly elliptical ZP tandem main with 1050 Vectran lines, reinforced cross-ports and low steering pressure; all Firebird tandem mains have a double brake setting.
Twin Millennium
Paratec tandem-size main (314–354 sq ft); the manufacturer’s full description is not yet published.
TX2
Icarus World tandem main with a standard 6&2 brake configuration and a reduced drogue loading system.