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Author Topic: Tug fittings  (Read 3622 times)

JimG

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Tug fittings
« on: March 01, 2015, 10:02:56 PM »

I am presently building the Mountfleet ST Cruiser and am also using the General arrangement drawings in the book British steam tugs by P.N. Thomas for details.
On the rear deck on either side of the gog eye the drawings show a stopper, these are not on the Mountfleet plan. (The drawing shows a fairlead , this has a folding gog eye on it. Does anyone have any details of what these stoppers should look like?
Also on the superstructure the drawings show what appears to be vents to some of the compartments. These are labelled as tv and unfortunately the side view does not show them. Again any ideas as to what they would look like?

Jim
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Umi_Ryuzuki

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Re: Tug fittings
« Reply #1 on: March 02, 2015, 06:01:08 AM »

I would think the stoppers are to prevent the rudder quadrant from over steering.
Perhaps just a steel block or triangle to catch the quadrant as it reaches it's port or
starboard extreme limit.


The TV are perhaps those upside down "J" vents for the Tanks.


JimG

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Re: Tug fittings
« Reply #2 on: March 02, 2015, 10:32:43 AM »

The TV are perhaps those upside down "J" vents for the Tanks.
Thanks, 
however I doubt that they are gooseneck vents as at least one is shown as being above the door on the drawing.

Jim
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TailUK

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Re: Tug fittings
« Reply #3 on: March 02, 2015, 11:47:19 AM »

My memory keeps coming up with something simple like "turnable vents" They are obviously above the doors so I assume that they are cabin ventilators design to rotate with the breeze like cowl vents but vertically instead of horizontally.
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NFMike

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Re: Tug fittings
« Reply #4 on: March 02, 2015, 11:52:25 AM »

In the drawing they don't really look like the ones I know, but T V might be Torpedo Vent.
Turnable sounds more likely really - the bits on the left in the diagram might be handles.

Netleyned

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Re: Tug fittings
« Reply #5 on: March 02, 2015, 11:59:23 AM »

Transom Vents anyone?


Ned
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vnkiwi

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Re: Tug fittings
« Reply #6 on: March 02, 2015, 12:26:31 PM »

I'd go with Ned on this one. They are only in wet areas, and above the doors. %)
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JimG

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Re: Tug fittings
« Reply #7 on: March 02, 2015, 07:55:38 PM »

Thanks everyone, now does anyone have a suitable drawing or photo of one of these vents?

Jim
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JimG

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Re: Tug fittings
« Reply #8 on: April 06, 2015, 08:29:10 PM »

I think that I have managed to solve the vent problem. While looking through some back issues of Model Shipwright I found details of a torpedo vent used in situations like the tv vents on the drawing.

Jim
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Umi_Ryuzuki

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Re: Tug fittings
« Reply #9 on: April 07, 2015, 03:23:44 AM »

Torpedo Vent certainly fits the "TV" designation.


 :-)) :-))

JimG

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Re: Tug fittings
« Reply #10 on: April 07, 2015, 09:33:43 AM »

It doesn't quite match those on the general arrangement drawing but looks like they will do the job. Just got to make several and fit them now. The main sections can be easily made from tubing but I might have to see if the cones can be moulded from resin.

Jim
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Umi_Ryuzuki

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Re: Tug fittings
« Reply #11 on: April 07, 2015, 05:40:03 PM »

Can you sharpen a dowel in a pencil sharpener and cut off what you need each time?
 :-)

Netleyned

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Re: Tug fittings
« Reply #12 on: April 07, 2015, 05:43:21 PM »

Perfect solution Umi :-)) :-))

Ned
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NFMike

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Re: Tug fittings
« Reply #13 on: April 07, 2015, 05:49:55 PM »

Can you sharpen a dowel in a pencil sharpener and cut off what you need each time?
 :-)
Or a plastic rod perhaps.

JimG

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Re: Tug fittings
« Reply #14 on: April 07, 2015, 06:18:17 PM »

It might be easier but looking at a freshly sharpened pencil the angle of the cone is too fine. I might turn the end of some brass rod to a suitable angle and make a temporary mould from plasticine to allow me to cast it in resin. (I have some resin sitting there waiting to be used %) )

Jim
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