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Author Topic: YouTube & other Videos.....!  (Read 593014 times)

Taranis

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Re: YouTube & other Videos.....!
« Reply #1275 on: April 09, 2019, 08:49:16 AM »

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ANDY
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roycv

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Re: YouTube & other Videos.....!
« Reply #1276 on: April 09, 2019, 09:40:41 AM »

It's all very sad!  I remember being a Learning Support Assistant at an infant school quite a while ago now and we had a sports day.  They had races etc, but there were no winners! 

They did not think it was the right thing to do to reward a child for being good at something.  So in my book they grow up assuming they can do anything and everything, but never having been put to the test.
Likewise there is no need for them to know how anything works as in most cases you dispose of it in an incredibly eco-friendly way and buy another.

I think I am getting too old to have a valued opinion of the teenagers we see now.

regards Roy


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Taranis

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Re: YouTube & other Videos.....!
« Reply #1277 on: April 09, 2019, 10:35:52 AM »

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ANDY
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derekwarner

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Re: YouTube & other Videos.....!
« Reply #1278 on: April 09, 2019, 12:33:03 PM »

What?!....a Marine Engineer of the female gender and her apprentice daughter :-)) .....brilliant


Did anyone notice they used D size HP bottles of N2 as starting air?.....or were they E/R HP air bottles & just painted the universal color of grey for nitrogen?


The B&W engine is Burmister & Wain...1950+ vintage?.....[not sure of the Alpha connection]


Thanks for sharing Andy


Derek
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Derek Warner

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Taranis

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Re: YouTube & other Videos.....!
« Reply #1279 on: April 09, 2019, 12:36:23 PM »

Yes  :-)) 
She didn't display much dress sense though  {-)
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ANDY
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Martin [Admin]

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Re: YouTube & other Videos.....!
« Reply #1280 on: April 13, 2019, 08:51:09 PM »


Not a model boat.....

There's model helicopters, model helicopter fliers, next level model helicopter fliers .... then this guy!



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Martin [Admin]

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Re: YouTube & other Videos.....!
« Reply #1281 on: April 14, 2019, 06:31:47 PM »

 
Air / Sea Rescue Launch. Airfix 1/72

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Martin [Admin]

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Re: YouTube & other Videos.....!
« Reply #1282 on: April 25, 2019, 12:50:57 AM »

 
For Colin.... as he love modern cruise ships.   :kiss:

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tsenecal

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Re: YouTube & other Videos.....!
« Reply #1283 on: May 22, 2019, 01:37:06 AM »

interesting new motive power...

https://www.youtube.com/watch?v=iPJDfTUdTsA

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JimG

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Re: YouTube & other Videos.....!
« Reply #1284 on: May 22, 2019, 11:42:34 AM »

Don't see anything really new here. Basically a conventional drive system with the motor in a bulge under the hull instead of inside the hull. Just easier to maintain than the original azipods.
Jim
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derekwarner

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Re: YouTube & other Videos.....!
« Reply #1285 on: May 23, 2019, 12:23:44 AM »


The sealing of marine propulsion pods has been their Achellies Heel :embarrassed: for 30 years

Would think some incremental concepts of sealing round elements have been employed to offer such reliability


[Having said this after a lifetime of sealing elements in hydraulic fluid engineering, I do not quite comprehend how this is achieved  %) ]


The placement of the motive diesel engine in the rotating Pod also requires breathing large volumes of low pressurized inlet aid and exhaust gases which must be achieved via rotating slip-ring joints....and not a few 100 mm  >>:-( of flexible hoses

Derek 
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Umi_Ryuzuki

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Re: YouTube & other Videos.....!
« Reply #1286 on: May 23, 2019, 07:50:40 AM »

The ship already had motors for driving the schottels.
I would imagine that all that is in the fin itself is just the transmission, not an entirely new engine.

 :-)
Here we go,...

https://www.cat.com/en_US/news/engine-press-releases/caterpillar-to-unveilcatpropulsiontwinfinpropulsionsystematitsha.html
Quote
the Cat Propulsion Twin Fin System comprises a compact electric motor and gearbox configuration connected
 via short drive shaft, rotating a pair of controllable pitch propellers whose performance is enhanced by two tailor-made
fins attached to the hull. Major transmission parts in the system are accessible from inside the vessel, enhancing
 ease of maintenance and averting the need to drydock.

tsenecal

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Re: YouTube & other Videos.....!
« Reply #1287 on: May 23, 2019, 04:24:45 PM »

it appears the electric motor and gearbox are in the fin, and the diesel engine stays where it was when the azipods were used...

https://www.youtube.com/watch?v=6EoTYq5Br_s

some fins seem to have position keeping thrusters in the fin, others have the thrusters in the hull.
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Martin [Admin]

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Re: YouTube & other Videos.....!
« Reply #1288 on: May 25, 2019, 01:38:45 AM »


Flite Test built a huge 'foamboard' Battleship!


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Martin [Admin]

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Re: YouTube & other Videos.....!
« Reply #1289 on: June 01, 2019, 05:54:19 PM »


How To Make Sure Ships Don't Sink | Built From Disaster


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JimG

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Re: YouTube & other Videos.....!
« Reply #1290 on: June 06, 2019, 01:05:07 PM »

A video for today, let us all remember those who gave their all for us.

https://www.youtube.com/watch?v=DsVQMfxIfks&t=7s
Jim
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Martin [Admin]

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Re: YouTube & other Videos.....!
« Reply #1291 on: June 08, 2019, 06:18:13 AM »


 U.S.S. Nevada - D Day landings

 
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Martin [Admin]

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Re: YouTube & other Videos.....!
« Reply #1292 on: June 15, 2019, 05:45:02 PM »


World's Worst Warships - Book Review

 
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Martin [Admin]

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Re: YouTube & other Videos.....!
« Reply #1293 on: June 16, 2019, 05:29:08 PM »


 FliteTest - Mini Gun Battleship VS RC Divebombers | Foamboard


 

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Martin [Admin]

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Re: YouTube & other Videos.....!
« Reply #1294 on: June 17, 2019, 10:54:49 PM »


The Longest Day - BTS



( BTS = Behind The Scenes )
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derekwarner

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Re: YouTube & other Videos.....!
« Reply #1295 on: June 18, 2019, 12:14:02 AM »

I watched this 'The Longest Day' last week.........[and without lending a Political tome]....if you listen to the words, it was the US that won the war against the Axis forces  :o


Derek
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jaymac

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Re: YouTube & other Videos.....!
« Reply #1296 on: June 18, 2019, 08:38:34 AM »

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Taranis

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Re: YouTube & other Videos.....!
« Reply #1297 on: June 18, 2019, 10:16:42 AM »

I just spotted this nifty tool on Amazon prime 5.99 delivered


Warning! turn your volume down
 D17h9YYpd0S.mp4
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ANDY
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Taranis

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Re: YouTube & other Videos.....!
« Reply #1298 on: June 19, 2019, 03:39:52 PM »

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ANDY
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Martin [Admin]

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Re: YouTube & other Videos.....!
« Reply #1299 on: June 23, 2019, 11:43:07 AM »

 
How accurate is the scene of Spanish man-of-war have 'oar power' in battle?


https://www.facebook.com/AuldGunner/videos/2288992591417856/

https://youtu.be/Cgfm2YZ7bNY

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