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The picture above is
a fake. That really isn't a Chinook flying over my neighbours house, it's
a
1/72 Italieri model, built and motorised by me, and with the magic of
computers made to look like it's flying. The basic idea came about after
the Convertiplane Group Build, where I submitted a motorised Rotodyne.
That led to a motorised 1/72 Gazelle which led to this. Aside from
the original kit built to represent an RAAF 12 Sqn CH-47A, the addition of
2 mobile phone vibration motors and a 'AAA' battery under the rear pylon
added a little extra realism.
Click on
images below to see larger images
The
rotors are completely independant, adjustment to the planes of the rotor
discs make sure that they do not come into contact. The excellent
moudlings by Italeri ensure that the front rotors are 5mm lower than the
rear. The motors were wired in parallel ensuring that they spin at the
same speed, but with reversed polarity. The blades now rotate in the
correct directions (Unlike my earler Rotodyne). Picture on the left above
shows an
early test on my modelling bench. The build really was quite simple, even
including the modifications I've made, and it's already been displayed at
both the UK and Scottish Nationals.
Tests have
proven that the AAA Batteries are not nearly man enough for hours of
running, so I'll have to modify the battery box to accept an AA which
should last much longer. Thanks to all those that provided pictures,
especially of the RAAF Chinook Dispay Team, and to Ned Gilland for the
original inspiration from his book "Dancing Rotors"
Phil
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