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Author Topic: New project started: Irrawaddy paddler "Mindon" 1948  (Read 2488 times)

Offline kno3

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Re: New project started: Irrawaddy paddler "Mindon" 1948
« Reply #60 on: June 30, 2019, 09:40:43 PM »
Another very interesting build Thomas! I like your boiler very much. How is it steaming?
Why do you use silicone tube for the exhaust and not copper or brass tube?

Offline Hankwilliams

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Re: New project started: Irrawaddy paddler "Mindon" 1948
« Reply #61 on: July 01, 2019, 04:41:22 AM »
The size of "Mindon" boiler is nearly similar to the "Welf" one. Engine is a slighly altered American Graham Type. Gear of engine to paddle shaft is 1 : 1.
First I want to drive the paddle shaft directly, but with the cogwheels it`s more easy to remove the engine. Diameter of the feathered wheels is only 90 mm, so it is possibel, to drive without gear reduction. The silicone tubes for the exhaust steam can be better removed than copper tubes.
Since April there is a break of "Mindon" built, some other things are to do and also I think, model building is better in autumn and winter than in hot summer days. I will continue the built in september and finish until end of the year.
At moment I am drawing a plan in 1 : 48 of RMS "Connaught". There is only one library on the continent (Technical University Zürich) with John Scott Russels book about naval architecture and the plan of the ship. Stuart Badger has built this ship, there are an extensive building report with very many pictures in "Construction" from 2011. Tragically Stuart passed away shortly after finishing his breathtaking model.
I hope, to make the "Connaught" (may be with names of the sister ships "Ulster" or "Munster") until next year with steam propulsion.

Thomas

Offline kno3

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Re: New project started: Irrawaddy paddler "Mindon" 1948
« Reply #62 on: July 02, 2019, 10:10:32 AM »
I see, thanks for the explanation.
What is the reason for the U-shaped gas tank? It is quite unusual, but space doesn't seem to be a problem in your ship.

Offline derekwarner_decoy

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Re: New project started: Irrawaddy paddler "Mindon" 1948
« Reply #63 on: July 02, 2019, 12:27:44 PM »
Hullo Calin.......[trust you are keeping well] .............

I asked the same question back in February of this year..Derek

 "Well Thomas....we see  :gathering ...that you had plenty of 20 mm diameter 90 degree bends & caps left over from the boiler internals

I must admit recently seeing a few French built gas tanks that are long & like a sausage  :whistle .   and a builder Daniel Buroard   some years back, built a duplex set of tanks........but I have not seen a gas tank in the shape of a U ......but
:thinking ....
Derek Warner

Honorary Secretary [Retired]
Illawarra Live Steamers Co-op
Australia
www.ils.org.au

Offline Hankwilliams

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Re: New project started: Irrawaddy paddler "Mindon" 1948
« Reply #64 on: July 02, 2019, 07:57:12 PM »
Yes Calin and Derek, the reason of the U- shaped tank is only to get more capacity for the gas.

Regards Thomas

 

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