01Apr03-17Apr03, 29 hours - Moved on to details in the tailcone.
This area will be a bear to get in and out of once the tunnel is
installed. Finished the baggage bulkhead fittings, drilled the
seatback, and fussed about with the fit of the panel. This included
bending and installing the fuel lines. The upper of the three
lines, the header tank vent, is too high in the stock position, and I
moved it first right and down (not enough), and finally to a new bracket
in the wiring cutout, which also provided a fastening point for the
tubes & cables emerging from the wing.Once this was all fit up, I mocked up clearance for the rudder
cables, then ran the header tank drain line. Installed the tunnel
with exterior lay-ups only, and built the rear elevator actuator
tube. Laid in the wing-to-tunnel attach flanges and drilled.
Along the way I've finally acquired a 2-1/4" horizon.
Originally from an F-111C (right), the horizon requires a 7degree panel
angle. Although there are wedges that allow installation in a
vertical panel, I decided to slope the radio rack instead.
The 2-1/4" altimeter is from G-BOAE, a Concorde (left). The
airspeed indicator is new, since there is little point in harvesting a
mach meter for a Glasair! In
order to fit three 2-1/4 gauges across the rack, I fabricated a  box at the
top of the rack, just below the eyebrow. A friend from work did
the welding, as my attempts at tig welding have no business near an
aircraft!
In spare (I'm not logging my avionics software time) moments, I
launched a sourceforge project on the avionics,
in hopes that a few kindred spirits will join in. Sourceforge is a
free service that host open source projects. The horizon & hsi
prototypes, shown in test windows below, are being checked out by a few
friends.
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