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Author Topic: A Winter Project.  (Read 9458 times)

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Offline Tweakie.CNC

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A Winter Project.
« on: October 15, 2011, 01:32:04 PM »
Hi Guys,

This is my next winter project - a 60 horsepower, single shaft, gas turbine engine with much historical ancestry and built by the Rover Car Company around 1967.
This is the same type of engine that was used in Rover’s “JET 1” gas turbine powered car which was road tested at the Silverstone race track in 1950. http://news.bbc.co.uk/onthisday/hi/dates/stories/march/8/newsid_2516000/2516271.stm
There were many variants of this engine built and at the peak of it’s production Rover were reported to be making 2.5 units per week.  :)
This particular model was removed from a Vulcan Bomber where it was used as the electrical Auxiliary Power Unit and compressor for starting the main engines.
As you can see, it is in a sorry state at the moment and it is going to need a lot of TLC before I get a tune out of it – it will never fly but one day it will run again. I don’t think that the 208 Volts, 3 phase, 400 Hz will be of much use to me but the sound of that turbine will be well worth the effort.

(Please ignore all the toot in my shed, that’s what shed’s are for  ;D )

Tweakie.
PEACE
Re: A Winter Project.
« Reply #1 on: October 16, 2011, 08:46:24 AM »
Go-kart?

Offline Tweakie.CNC

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Re: A Winter Project.
« Reply #2 on: October 18, 2011, 02:23:43 AM »
Yea, F1 Go-Kart  ;D ;D

Tweakie.
PEACE
Re: A Winter Project.
« Reply #3 on: October 18, 2011, 08:52:36 AM »
That's pretty cool, but what was the generator used for? and at 400Hz?
I know, Your new power supply for the Laser... lol

Guess we can never tell you to get a new hobby, you do seem to find em...
Even though the fuel usage is excessive, should make a nice resale item after you restore it.

Offline Tweakie.CNC

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Re: A Winter Project.
« Reply #4 on: October 19, 2011, 02:33:34 AM »
Military aircraft power systems are a mystery to me but 400Hz seems to be the norm. The generator is driven through a reduction gearbox and runs at 8,000 rpm with a 40kVA rating. Just about everything on the Vulcan, including the control surfaces, was electrically powered and as this gen set originally had it's own oxygen supply and cartridge system for starting it could, in an emergency, be used at high altitude if both of the other main alternators failed.

I have quite a bit of interest in others wishing to buy it already - so, as you suspected, it should sell well.   :)

Tweakie.
PEACE

andrewm

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Re: A Winter Project.
« Reply #5 on: October 20, 2011, 04:24:46 PM »
Looks like it will be a fun process, and I for one look forward to seeing your progression!

Offline Tweakie.CNC

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Re: A Winter Project.
« Reply #6 on: October 21, 2011, 02:00:18 AM »
Thanks Andrew.

I have made a start on cleaning it up a bit.

Tweakie.

PEACE

Offline Tweakie.CNC

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Re: A Winter Project.
« Reply #7 on: October 24, 2011, 11:56:58 AM »
Gradually getting the 'burnt-on' oil off the volute casing.

Tweakie.
PEACE

Offline BR549

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Re: A Winter Project.
« Reply #8 on: October 24, 2011, 12:49:32 PM »
Quite a find you have there Tweaky. I bet the aviation buffs are drooling big time over that one.

The 400hz power is very common for aviation and marine and military. It has a VERY high power density small motors can create large forces. Ac motors can rev very high at 400 hz. At 60hz you are limited to 3600 revs and 400hz it is like 24,000revs.


(;-) TP

Offline Tweakie.CNC

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Re: A Winter Project.
« Reply #9 on: October 25, 2011, 07:29:57 AM »
Thanks for the info Terry.

Tweakie.
PEACE