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tmuir
Steam God!
Joined: 01 Aug 2006
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Location: Western Australia
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Dampfmaschine
Full member
Joined: 24 Dec 2008
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Location: Fife - Scotland
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 Posted: Fri Oct 02, 2009 12:09 pm Post subject: |
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Brilliant - that piano sounds so real!!!!!!!  |
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Roly Williams
Steam Legend!!
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Location: Lambourn
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| Posted: Fri Oct 02, 2009 12:20 pm Post subject: |
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Very entertaining
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"God is not dead - he is alive and well and working on a much less ambitious project" (MRFS) |
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Rob
Hero Steamer
Joined: 18 Oct 2007
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Location: Leicester
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| Posted: Fri Oct 02, 2009 12:22 pm Post subject: |
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now that was magic tony, is that the PM engine powering the pianist?
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Les
Steam Supreme Being
Joined: 03 Nov 2007
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Location: Bournemouth, Dorset, England.
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| Posted: Fri Oct 02, 2009 12:23 pm Post subject: |
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Very clever, did you make the piano and pianist yourself or steal one of your children's toys.
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Les - Nolo Servile Capistrum
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Compound
Junior Member
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Location: Leeds W.Yorks
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Sandman
Steam Supreme Being
Joined: 19 Jul 2006
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Location: Ayrshire Scotland
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tmuir
Steam God!
Joined: 01 Aug 2006
Posts: 20233
Location: Western Australia
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| Posted: Fri Oct 02, 2009 12:30 pm Post subject: |
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| Rob wrote: | | now that was magic tony, is that the PM engine powering the pianist? |
Yes its a PM Research 3BIM kit.
It was already machined I just had to paint and assemble it.
| Les wrote: | | Very clever, did you make the piano and pianist yourself or steal one of your children's toys. |
I made the piano man about 7 years ago when I was unemployed and poor.
I had no power tools back then so it was made completely with just a dove tail saw, fret saw, 1/2 inch chisel, a hand drill and screwdriver.
Obviously I also used paint, paintbrushes, glue and screws.
Its been put away for the last 2 years as visiting children all love it and when one broke the man off the seat it was repaired and put out of children's reach but I decided to bring him out of hiding for STWWW and my kids have been playing with him all week.
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A nice example of an Australian made Scorpion Donkey Engine |
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s.stoneley
Forum Newbie
Joined: 14 Sep 2009
Posts: 23
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| Posted: Fri Oct 02, 2009 12:37 pm Post subject: piano man |
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| wonderfull |
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Wallace
Supermoderator
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Location: New South Wales, Australia
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tmuir
Steam God!
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Location: Western Australia
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tmuir
Steam God!
Joined: 01 Aug 2006
Posts: 20233
Location: Western Australia
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| Posted: Fri Oct 02, 2009 1:22 pm Post subject: |
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Next up I have a T E Haynes Hot air engine.
In 1967 3 books were published by T E Haynes for HIgh School metalwork projects.
Book 1 Steam engine and boiler
Book 2 Hot-air engine
Book 3 Electric motors
Here is one I recently purchased disassembled.
The large cylinder on the left is the transfer cylinder.
This one is heated up at the very end and as it heats up the air inside it expands.
In the next photo you can see the transfer piston is considerably smaller than the cylinder. This is to allow the hot air to move around the piston as it moves down the cylinder.
As the piston moves down the hot air moves out of the transfer cylinder into the power cylinder via the hole in the plate to the right of the transfer piston rod.
Here is the other side of the plate where the power cylinder bolts.
Unlike the transfer piston the power piston has a gas tight fit.
As the hot air moves into the power piston it pushes the power piston up, but because it is colder on this side of the engine the air cools and contracts pulling the piston back down and shifts the air back into the transfer cylinder to heat it again.
Here is the engine reassembled with a replacement linkage that was missing and new gaskets.
I wonder if it works...............
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A nice example of an Australian made Scorpion Donkey Engine |
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Sandman
Steam Supreme Being
Joined: 19 Jul 2006
Posts: 13995
Location: Ayrshire Scotland
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tmuir
Steam God!
Joined: 01 Aug 2006
Posts: 20233
Location: Western Australia
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| Posted: Fri Oct 02, 2009 1:31 pm Post subject: |
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Yes exactly so everything must be gas tight.
A small leak kills these engines, they have little power compared to a steam engine so reducing friction is a must. The LTD engines have so little power if you oil them the stickiness of the oil actually stops them. 
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A nice example of an Australian made Scorpion Donkey Engine |
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tmuir
Steam God!
Joined: 01 Aug 2006
Posts: 20233
Location: Western Australia
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