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Well nothing to loose apart from some time I suppose,
so here we go. I am going to take it steady on this
one as it could well be all for nothing.
The exhaust guide vane assmbley was the most damaged
part of the gas generator, if this part is sound then
I may stand a chance to make into a turbo jet engine.
Here it's pictured with the vanes removed courtesy of
10 cobalt hacksaw blades and 10 dremmel cutting discs.
Still a bit to go I know, but it will do for now.
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From this picture
you can see how the exhaust nozzle fits into the combustion
chamber. It is held in place with 10 screws and locking
tab washers, with the washers and nuts on the inside.
Also you can see the five injector nozzles are on a very
basic rail system. Any exhaust nozzle/ jet pipe will have
to locate around the small flange just inside the bolt
holes, I may do something similar to what I made for the
Solent.
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This is the Combuster
Can and what a fine piece of engineering it is as well.
On the top are the five holes that the fuel is injected
through and visible towards us is where the Igniter plug
pops it head into from the outer case.
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The Combustor
on its side showing the diffuser arrangement on the out
side, sharp as well!
On the inside just visable are the guide vanes that direct
the hot gasses on to the Compressor Wheel.
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Inside the darkness
of the Combustion Chamber, the nozzles of the injectors
are just visable and also the back end of the exhaust
cone that I have had my saw & dremmel on to.
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You may get an
idea how this fits together, pick the combustion chamber
up, turn it over and pop it down on top of the turbine
wheel. Then bolt it together.
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Close up of the Turbine Wheel.
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Close up of the
Compressor Wheel. I presume you noticed that the two wheels
are back to back. |
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The casing of
the CR201 with drives for all of the accessories that
are required to run this engine, fuel pump, oil pump and
24volt starter.
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The front with
the main cover removed exposing a load of beautifully
made gears. The hole on the left is for the bearings that
support the main drive shaft and the pipe coming down
from it is for lubrication. The hub on the bottom right
is the free wheel starter drive, this works on a very
fine ratchet system, similar to a bike so that the starter
doesn't have to rotate at huge speeds once the engine
is running.
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Gears removed
and I guess now that its all been cleaned of debris from
the Power Turbine that blew up, its time to get it back
together. The bearings the first job and the job I'm going
to hate, very fiddly!
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2 views of the Igniter plug from the
Lucas. |
MGF
(11)