Page 12 - Sept 2018
P. 12

But here I was, with what should have been an emergency,
                                                          and the airplane continued to handle normally and I
                                                          completed an uneventful landing. We found the right flap
                                                          cable that makes multiple turns had broken at a pulley. An
                                                          easy fix, but was very surprising to learn, that with one
                                                          failed flap, the airplane did not roll over as we, and many
                                                          other people expected. This was a very good
                                                          demonstration of what a superb handling aircraft the
                                                          Chipmunk is and gave me enormous faith in it.
                                       By Dave Gillespie
                                                           We flew KDN for the rest of the summer, learning how to
                                                          fly it well. There is a saying that, the Chipmunk is easy to
            ADVENTURES WITH G-AKDN -                      fly, but hard to fly well. I agree. I found it much like the
                        CHAPTER 6                         Pitts. It did everything you asked of it with the controls. So
                                                          if you were rough, or over controlled, it flew rough and was
        It was very exciting, to open up that container   all over the sky. If you were smooth and precise, it followed
        and see KDN sitting in there, undamaged, and
                                                          your every move, and was a delight to fly. The trick was to
        safe and sound on the ramp at Saskatoon
                                                          relax, and not force it. We mastered it in a short time.
        Airport. Many friends wanted a quick peek at
        what we had, but we needed to get busy. We        We needed more time to master its Gipsy Major engine
        had another 5-hour adventure unloading it but     peculiarities. It would shake and burp for no real reason
        were soon secure in a rented hangar. We would     and give us mini heart attacks every time it did. But we
        spend another week putting it back together,      learned how to operate it and over the years, it has proven
        with Tom Coates coaching. We finished             itself over thousands of miles of Canadian wilderness. It
        assembly just in time to make an appearance at    has always got us home. We have had to do much more
        the Canada Remembers Air Show held at             preventative maintenance on the engine than any other
        Saskatoon airport. KDN received a lot of          type of engine we have flown, but that is part of the cost
        attention and questions. It looked so different   and charm of owning a vintage aircraft.
        from all the standard RCAF yellow, bubble         Although designed in Downsview, Ontario, Canada, the
        canopy Chipmunks. With its strange looking UK     Chipmunk could have been designed on the other side of
        registration, civilian aerobatic style paint job,   the world, where they drive on the other side of the road.
        and original deHavilland Canada designed          The engine turns the opposite direction from North
        canopy, it had a lot of people scratching their   American engines. This makes the aircraft swing to the
        heads. Most people understandably thought it      right on take-off, opposite to the direction we are used to.
        was a UK built Chipmunk.                          This creates much amusement to the audience as they

        On an early test flight, I was on approach to land   watch new pilots trying to fly it. Many of the controls are
        with full flap. At about 500 feet I heard and felt a   also backwards. Lean the fuel mixture, by moving the
        loud bang on the right wing. I looked around and   control forward. We normally lean aircraft by pulling the
        saw the right hand flap had retracted. I          control knob back. Fly with carburetor heat on - we fly with
        immediately thought the flap handle had come      it off. The master switch for electric power is a giant light
        unlocked and retracted the flaps. I was surprised   switch, but down is on and up is off – opposite to our
        to look down and see the handle was still in full   switches. I experienced a dead battery more than once
        flap position. Looking left, I was stunned to see I   because of this. And the engine is installed in the airframe
        still had full left flap! Everyone, including me,   upside down!
        thought a split flap configuration would cause an
        uncontrolled roll.

        Similar to the Tiger Moth, this configuration gets
        the propeller up high, out of harm’s way, which
        is good, but also positions the cylinder valve
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