Natterer - A Lake Windermere (England) Steam Launch

Joined
Mar 17, 2018
Messages
369
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Location
UK
Hi Ted,
Thanks for your reply, I wouldn't fancy trying to place a 80 lb or 36 kg boat into the water either, my back is feeling saw thinking about it.
Good to hear the boiler control works well for you, I recall reading that they were a bit problematic , an attenuation valve being a mechanical option. It is good that you have a more than adequate heat source.

Cheers,
Stephen.
Hi Stephen,
Fortunately the hull and powerplant each weigh roughly the same, and I can put the boat in the water and drop the plant in and connect/ secure in about two minutes. Only downside is I have to get in the water with her (in Waders) to be able to manage it!
No particular problems with the boiler control - I had read some of them gave trouble.
The burners were designed to provide enough steam for the launch engine when the cylinders were 1" internal diameter, and I only later sleeved them down to 3/4" - consequently only half the steam requirement, and I find the boat cruises nicely at about 1/3 throttle. Called the burner 'Smaug' - you should hear the roar and see the flame on full power!

Ted
 
Joined
Apr 14, 2020
Messages
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Location
Melbourne, Australia.
Hi Ted,
That is good that the weight is broken down into manageable parts.
I like the reference to "Smaug" and it's good to hear that "Smaug" doesn't need to be breathing hard, and heaven forbid that he should sneeze in a confined space!
Cheers,
Stephen.
 
Joined
Jun 19, 2020
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Location
Central Arkansas
@Ted, WOW! You're really an artist not a model builder. I'm 72 and have been building models most of my life and this build is one of the best I've ever seen. It's amazing, really.
Looking forward to anything else you do around here. Thumbsup :)
 
Joined
Mar 27, 2020
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Hello Ted, Thank you for all of the work that you have gone to present your oddessy sharing with so many of us, the journey. I have enjoyed all of the reading and looking, totally inspiring project that must be extremely satisfying to have completed. I was particularly interested in your comments about achieving the appropriate speed when sailing, i have seen so many models that all though beautifully built are just moving too fast through the water which immediately makes them look like toys. The building and the actual sailing are two totally different experiences, the first when you are pouring over your work so intimate with just inches / centimetres between you and it and second when you send it off it into the world to live for a little while a sort of seperate life. All of the best. Tony
 
Joined
Mar 17, 2018
Messages
369
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278

Location
UK
Thanks for your kind comments, Rick and Tony!
Yes, the Windermere launches do look good when sailing at an appropriate speed; I just sail her at a speed which I think is correct, but there is a formula somewhere which you can use to calculate how fast a model should sail.
Rick, I don't anticipate doing any more work on this build, but you could look 'King's Fisher', which I've just finished (click on the bottom of this post)

Regards
Ted
 
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