Dick Sipp
Joined: 11 Jan 2006 Posts: 215 Location: Hope, MI
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Posted: Wed Jul 12, 2006 8:15 pm Post subject: instrument sub-panel,long |
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Deems:
I have been thinking the same way you have.
I want to complete as much of the instrument panel and electrical
installation as possible PRIOR to riveting on the forward top skin and the
cabin cover. I have done the inittial trial fitting of the cabin cover with
the forward skin cleocoed on and stopped there.
I have a subcontracted Aerotronics panel and so have the advantage that it
was completed and operationally tested on the bench by them. I also had
them do several optional harnesses and subsystems like the stick grips,
autopilot harnesses, elt harness, interphone etc. The panel is supplied
with multiple cannon plug type connectors that you complete by installing
airframe wires into the panel mating plug. The step by step documentation
is provided. Completing the airframe side of the installation has been easy
with forward top skin off, cabin top off, and the fuselage at floor level.
Nearly all of the many miscellaneous little boxes (altitude encoder,
Freeflight GPS sensor, AOA computer, lighting control boards, voltage
regulator etc etc are mounted on the subpanel and longitudinal ribs. I
found there is plenty of room. Thankfully most of these are connected with
various size d-sub connectors at the unit. The Chelton displays were
positioned to not conflict with the longitudinal rigs and there were only
two minor cut-outs required to the sub panel.
So...the plan is to complete everything including temporary hook up of the
GPS antennas, roll the "canoe" out in the driveway, and functionally test
everything I possibly can. Then the finished cables will be discounted, the
panel removed, top skin riveted to the substructure and finally the panel
will be reinstalled to the substructure ON THE BENCH and the hopefully the
nearly finished assemble will be final riveted to the fuselage per the
plans. Sounds confusing I know. Here are 3 pictures with most of the
components mounted but the cables still loose; I'll try to remember to post
a few more when its finished after OSH. This whole process works in my head,
we'll see about actuality. Ideally from a system and electrical standpoint
everything will be done and tested before the top, doors, or windows are
finished. Hope it works. Apologies for the long post.
Dick Sipp
40065 N110DV reserved
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