Secured components of forward half of rollbar to the work surface, finished riveting in the inside and outside 'bands'. Then mated. Used fly-cutter to cut 1.5" access hole aft half, and riveted the four general purpose nutplates and bracket to attach rollbar brace.Assembled & riveted front and back halved of rollbar. Clecoed the forward top skin, rollbar and brace before inserting the aft window plexiglas. Clecoed window in place.
Using a reversible clamp, applied upward pressure to lift the rollbar against the plexiglass window to ensure that it would contact properly when riveted. Checked alignment of rollbar (straightness).
Drilled through side skins, and brackets into the rollbar and clecoed to secure position/alignment. Removed plexislass and drilled remaing bracket holes into rollbar.
