25 May 2015

Full Assembly at Hiller Museum



With the wings complete, we did a full assembly of the airplane to check the fit and learn about the transport, assembly and disassembly process.

The Hiller Aviation Museum (http://www.hiller.org) generously agreed to let us use their large atrium space near the entrance to house the airplane

The airplane as shown is complete except for the fuselage fairing, and the wheel brackets are mockups (both to be completed later).  Also, the kingpost we tried to use was too flexible, so we'll be making a stiffer one out of aluminum for the first test flights.  (The airplane can fly with or without a kingpost -- having one just makes ground handling easier, but adds about 5 Watts worth of drag.)

We learned a lot about what to pack, how to transport, and how to assemble the plane.  Now we just have to finish the final details, and the airplane should be ready for flight!




DaSH assembled in the Hiller Aviation Museum




Loading wing sections into the trailer





Transporting the tail boom

The DaSH trailer


Wing assembly frames and some parts


Bringing a wing in


Attaching to wing sections


Securing the wing section with a frame (in lieu of the kingpost)


Putting the end wing section on






A view of the top of the wing


DaSH among the planes on display


Working on the kingpost


Widening a hole for the kingpost wire fitting


Installing the kingpost



This kingpost proved too flexible, we're designing another

Working on the servos






Installing the horizontal tail surface (all-flying elevator)





Installing the vertical tail surface (all-flying rudder)









Testing the prop

Adjusting the prop pitch


Fully assembled plane (sans fairing)


Thinking about the handlebar and control location


Adjusting the idler pulley assembly


Part of the assembly crew from the DaSH team





A view from above



Showing the entire 36.7 m version of the wing from end-to-end






Tightening the Mylar on a wing section


Taping the gap between sections


Prior to tail boom attachment









Panorama from beneath the airplane



Panorama from the front, capturing most of the span


Answering questions




19 December 2014

Reparing Wing Damage

Repairing the damage from the slip off the forklift during our load testing went a lot quicker than we thought it would.  It took less than a day to repair the rib damage to each of the damaged sections, and a concentrated day to re-do the X-bracing.



Damaged wing tip extension under repair

Mid-repair of wingtip extension


Damaged rib section



Tools of the trade




Gussets to repair break (adds very little weight)


Rib cap repair


Repairing rib caps


Add caption


Removing old stretched X-bracing











Repair to center support tube







Repaired rib






















Spruce support


Strengthening rib with spruce support


Rib cap repair





Repaired rib




Repaired wingtip extension