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Time to have a serious go at getting
a starter fitted.
I have decided, with some advice from Richard & Ian that
the starter I already have is not going to powerful enough
and will increase the risk of hot starts, so this starter
has now been shelved. I am having a bit of a mental block
with this, so maybe I should delve further; pictured
is the starter reduction housing with the cover removed.
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Image with
the starter housing removed showing the exposed direct
drive to the turbine shaft.
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A composite image
of the assembly. |
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This shows the
removed starter reduction assembly from behind, this
will now no longer be of use as....
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Fortunately I
have come across a starter assembly from a Viper 203,
the 203 engine
was
used as
a take off assistance unit
on a shackleton bomber, and interestingly runs on avgas
(petrol). This unit doesn't directly fit the 102, but
I think that
it
can
be made
to fit using
an adapter
plate and a new quill drive which will have to be manufactured.
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The adapter plate,
laser cut to size. I found a company in the UK that will
make 1 off components
and to be fair were very reasonably priced to, thanks
to Leon at www.lasercutting.co.uk for
his assistance. |
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The drilling
& tapping part was quite time consuming as all the holes
had to be absolutely
perfect.
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This is the adapter
ring mounted on to the face of the viper, note how all
the
retaining nuts sit below
the surface to enable the starter clutch assembly to
sit flush.
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Clutch assembly
mounted, I tapped the holes on the adapter plate to 1.25
8mm threads, so
this meant the clutch bracket holes had to be drilled
out to 8.5mm allowing for clearance.
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Starter bolted on, now I can get
on with the wiring of the starter and related components. |
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I am happy with the exterior fixing
of the starter, now all I have to worry about is finding
someone that will manufacture me a quill drive which will
mate the starter and viper together. |
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Drive coupling
on its way! In the meantime I have made a couple of gaskets
for the mating ring, and cut the M8 Hex bolts to size. |
