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Started fitting it all into the
fuselage this week. Although the AirWolf looks largish, it is
very limited in terms of internal room, so this is going to be a bit
of a jigsaw puzzle really.
My first concern was to get the
chassis mounting points correct to check the boom length to see what
had to be done to ensure the tail would be positioned
correctly. Luckily, my use of the Belt CP boom and tail unit
has worked out well, and I have only had to remove about 3/8 inch
from the boom to get it spot on.
The Gyro cannot live in the normal
place on top behind the mainshaft, but I have managed to just get it
to fit on the left side of the frame forward of the mainshaft.
As a plus you can get at the gyro adjustment controls as well.
The next problem is working out where
to mount the Alien Command control unit. For the initial flight test
it was mounted just under where the gyro is now, but leaving it
there means you cannot get at the gain control, unless I drill a
small access hole in the fuselage to allow a small screwdriver to be
inserted in there.
Here are some pictures to give an
idea of what it all looks like right now.
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First off, the
"pretty" shots... |
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Now for the "nitty
gritty" interior stuff |
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Note the red Acer Labs G1000
gyro nestled above and behind the pitch servo.... |
| Here I have added the retract
servo and the larger RapidCharge 2200 325C lipo that we are
going to use. The lipo will be supported on a slightly
ramped board resting on top of the retract servo mounting.
This way is will JUST fit in the front
there. |
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A better view of the retract
servo and lipo positioning. The Alien Command control
unit is actually directly under the gyro, so you can see it
is pretty well buried inside it.
If this had been an EC135 there would be
loads more room in there. |
The last issue
that I fully expected would appear is the C of G, and right on time,
up it popped and showed that we going to end up nose heavy.
However, it can be balanced out by 3 off £1 pieces in the tail
cover cone, as long as the owner gives them to me to glue in there
that is :-)
The other
thing is the problem almost all scale helis of this size have, and
that is that the mechanics simply cannot be fitted into them
securely enough to stop them rocking from side to side. This
causes the swash plate rods to hit the sides of the canopy and mess
up the paint and even chaff the fibreglass.
Luckily, my
positioning just may allow me to use the two screws used to mount
the inner tail boom frame, but to do so I am going to need to find
some pretty long screws, or maybe threaded rod is a better
idea. The distance form the fuselage to these screws is about
2+ inches
So, not too
bad so far, but still a long way to go.
New day, new
ideas - I have solved the access problem to the Alien Command
control module. Easy really, all I needed to do was to round
the inner edges of the main air intakes, which looks better as well,
and you have perfect access to the gain and DIP switches through the
port intake.
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Here is the modified
intake
(before sanding to finish shape) |
And here you can see the
all important gain control on the Alien Command module -
straight in through the intake with a small screwdriver -
purrfect.... |
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So this is what the final
mechanics setup looks like outside the fuselage. Please
excuse all the dust etc all over the frame, it got there
when I dremmelled out the intake vents above. |
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