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FYI: image of Steam Tug with paddlewheels.

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FYI: image of Steam Tug with paddlewheels.
Post by Ensign Re-read   » Fri Sep 26, 2014 11:05 am

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This is just a FYI, not intended to start a huge debate or anything...


I recently viewed a YouTube video called: Time Team Special 2009 Nelsons Hospital
* https://www.youtube.com/watch?v=jh_ylpW ... 7jdbnS2TxA
In that video, between 36:43 and 36:56, I saw a clip of a painting of the HMS Temeraire (1798) {or "Téméraire"} being towed by a paddlewheel equipped steam tug.

A look at the Temeraire wikipedia article...
* https://en.wikipedia.org/wiki/HMS_Temeraire_%281798%29
...shows the same painting. It's also available at:
* https://en.wikipedia.org/wiki/HMS_Temer ... broken.jpg


So, for us Safeholder readers, here's an example we can see of harbor tugs in action.


ERR


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The Celestia "addon" for the Planet Safehold as well as the Kau-zhi and Manticore A-B star systems, are at URL:
http://www.lepp.cornell.edu/~seb/celestia/weber/.
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http://www.flickr.com/photos/68506297@N ... 740128635/
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Re: FYI: image of Steam Tug with paddlewheels.
Post by EdThomas   » Fri Sep 26, 2014 1:47 pm

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Would a Hornblower reader enjoy the video?
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Re: FYI: image of Steam Tug with paddlewheels.
Post by pokermind   » Fri Sep 26, 2014 3:20 pm

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Image

Image from first cited Wikipedia article above. Some paddle wheel tugs had engines on each wheel and could turn in their own length by using forward on one and reverse on the other. See http://en.wikipedia.org/wiki/Thames_steamers

Photo of a paddle wheel tug from the cited article:

Image

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Re: FYI: image of Steam Tug with paddlewheels.
Post by Caliban   » Sat Sep 27, 2014 5:51 pm

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Very nice ! thank you for the images :D

Could be wrong, but I do believe the tugs mentioned are propellor driven
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Re: FYI: image of Steam Tug with paddlewheels.
Post by AirTech   » Sun Sep 28, 2014 6:58 am

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Caliban wrote:Very nice ! thank you for the images :D

Could be wrong, but I do believe the tugs mentioned are propellor driven


Propellers are more efficient than paddle wheels so going to straight to propellers makes sense. The advantages of paddle wheels is that they don't need immersed shaft seals and are therefore technically easier to make and less likely to sink...
As for turning circles having twin propellers is one option, as is a bow thruster or swiveling propeller on a z drive (all of which are in use now - and sometimes on the same tug).
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Re: FYI: image of Steam Tug with paddlewheels.
Post by Caliban   » Sun Sep 28, 2014 6:15 pm

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AirTech wrote:
Caliban wrote:Very nice ! thank you for the images :D

Could be wrong, but I do believe the tugs mentioned are propellor driven


Propellers are more efficient than paddle wheels so going to straight to propellers makes sense. The advantages of paddle wheels is that they don't need immersed shaft seals and are therefore technically easier to make and less likely to sink...
As for turning circles having twin propellers is one option, as is a bow thruster or swiveling propeller on a z drive (all of which are in use now - and sometimes on the same tug).



And this is very true, but I've seen no mention of paddle wheelers, just propellers.Not saying that the idea wont come up eventually, for the sealing reasons in particular that you mention,but that always seemed like a half step to me.
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Re: FYI: image of Steam Tug with paddlewheels.
Post by Philip Stanley   » Sun Sep 28, 2014 9:25 pm

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The painting referred to in the first post in this string was executed in 1838. That was the same year that the first propeller-driven boat was demonstrated (check Wikipedia)
We have to conclude, therefore, that paddle-wheeled tugboats were in use before the invention of the propeller (in the real world, at least)
Philip Stanley
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Re: FYI: image of Steam Tug with paddlewheels.
Post by Caliban   » Sun Sep 28, 2014 11:48 pm

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Philip Stanley wrote:The painting referred to in the first post in this string was executed in 1838. That was the same year that the first propeller-driven boat was demonstrated (check Wikipedia)
We have to conclude, therefore, that paddle-wheeled tugboats were in use before the invention of the propeller (in the real world, at least)
Philip Stanley


hi, Philip..

Forgot to mention I was commenting on the Safehold variant, but that's what I get for trying to do forums and football at the same time :roll:

I've seen some artwork of some beautiful Atlantic paddle wheelers with sail masts... personally think we lost an artistic aspect to our machine designs around that point in RW time... But then, I'm a big fan of airships, too.
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