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Old Apr 13, 2013, 08:06 AM
Registered User
KBIO's Avatar
France, Bretagne, Dinan
Joined Jan 2012
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Jacky's boiler;

Hello!
I just want to show you the boiler , my friend Jacky, is building.
It is coal supplied and the proper combustion is maintained by a system of jet to help the draught and to allow a good fire.
It is all self explained with the photos, but if you have any question, I am sure that Jacky will be willing to answer.
The amount of rives shows a creative artman and require a lot of patience.
Just enjoy. Some more are coming!
Regards!
Name: Jacky 2.gif
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Description: Principle : some steam is by passed to increase the draught.

Name: Jacky 5.jpg
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Description: The device

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Description: Selection of jets.

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Description: Smoke box . The trial has been don with compressed air through the engine

Name: Jacky 8.jpg
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Description: Idem

Name: Jacky 9.jpg
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Description: General view.
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Old Apr 13, 2013, 08:12 AM
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KBIO's Avatar
France, Bretagne, Dinan
Joined Jan 2012
71 Posts
Name: Jacky 10.jpg
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Description: This is the valve authorising the steam to go towards the jets.Hello again!
Some more pics.
This is the valve authorising the steam to go through the jets.
And the fire goes hot!
essai souffleur (0 min 32 sec)
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Last edited by KBIO; Apr 13, 2013 at 11:45 AM.
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Old Apr 13, 2013, 12:36 PM
Grumpa Tom
Kmot's Avatar
United States, CA, Los Angeles
Joined Sep 2003
23,591 Posts
Wow! That is gorgeous! What a work of art.
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Old Apr 14, 2013, 12:10 AM
Taking care of the pond.
MILLERTIME's Avatar
USA, CA, Fresno
Joined Apr 2004
7,317 Posts
Yes it is.
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Old Apr 14, 2013, 01:33 AM
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Bernhard BB's Avatar
Denmark, Capital Region of Denmark, KBH
Joined May 2007
497 Posts
woow Very nice job, I've never seen enything similar,, tip-top
Thanks ....... what a master piece ..
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Old Apr 14, 2013, 07:16 AM
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Bradford West Yorkshire, UK
Joined Apr 2010
1,665 Posts
Hope he's going to put some sort of cross head guide on to the piston rod?

Regards Ian.
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Old Apr 14, 2013, 10:14 AM
Damp and Dizzy member
Brooks's Avatar
Bozeman, Montana, United States
Joined Aug 2003
3,409 Posts
Jacky's design, using multiple venturi's in the smoke box, is similar to the concept tested in the US in the 1870-1890's for RR locos. I made a similar multiple venturi system for a coal-fired boiler (using 2 venturi's, rather than Jacky's 3 venturi's), and found it helped increase the output of BTU's (desireable).

Beautiful work, using proven combustion-enhancement technology, Well Done.
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