Los ANGELES class Submarine Built Thread

[Ralph --- SSBN 598]

Re: Los ANGELES class Submarine Built Thread

Another option on controls in tail cone.

I use wheel collars and brass rod.
Drill holes in collars for rods and soldier.


Sail planes connector is 2 collars soldiered together.
Assembled with brass rod through both wheel collars to hold straight.

[ober freak]

Re: Los ANGELES class Submarine Built Thread

And if you don't want to do them on your own, Engel offers some yokes: http://www.engel-modellbau.eu/catalog/i ... anguage=en

[profesorul]

Re: Los ANGELES class Submarine Built Thread

@ Ralf , @ Ober Freak ,

Thank You ,
Not the materials represent a problem , as much the space between the Vertical Axe of the rudders and the Horizontal Axe of the dive planes .
I have to find a way to do the connections to move one above the other like @ Sub culture suggested in hes picture .

MARIUS

[Ralph --- SSBN 598]

Re: Los ANGELES class Submarine Built Thread

Maybe a little description is needed.

1. The stern planes usually have support on the outer end of the planes and at the hull.
So the control yoke is made to fit in the hull tight against the hull.
The stern plane embedded control rod is made to fit in the wheel collar with out extending past the wheel collar.
The curve of the yoke connecting rod is made so it is as close to the hull without binding as possible.

2. The rudders are held in place by just the hull bearing and the control yoke.
This control yoke is made by fitting the wheel collars between the rear planes control yoke collars.
The connecting rod is bent so that it allows the yoke to move forward and backwards without binding on the propeller shaft at about +-30 degrees.

I actually find making the yokes fairly easy but getting the control arm right so it doesn't hit the hull or the other control yoke more of a challenge.
I seem to always get it to work until I connect the control rod from the servo. I don't seem to leave enough room for the cleaves to clear. I make the control horn too long most of the time.

Because the planes and rudders are semi balanced on their control shaft, they don't need a lot of lever on the yokes to make them work.

Making the yokes circular allows them to fit in tighter spaces.
The yokes with square shapes require more room if the yokes are used in a round hull.
Is one method better than the other.
Not really, it's what fits in the space the best that is needed.

Here is the planes yoke shown in place. These yoks can be made if the tail cone is assembled.

[profesorul]

Re: Los ANGELES class Submarine Built Thread

THANK YOU RALPH for Your effort .
My Sub stern is a close space and look like these :

,





and for that I need a differnt aproach .

MARIUS

[Ralph --- SSBN 598]

Re: Los ANGELES class Submarine Built Thread

I see your through hull brass tubes.
Just make the wheel collars butt up against the tubing.
Leaving a very small gap so they don't bind.
Take a small file if you need to and make the end of the tube flat and straight.

I use the yoke system in my 1/44 scale nuke boat. There's only about 1.25" of room. To install, I have to put some thick grease on an Allen wrench and use the wrench and needle nose pliers to get back in there.

Then I made a long Allen wrench out of a steel rod so, I could reach in there.

[profesorul]

Re: Los ANGELES class Submarine Built Thread

OK , Thanks RALPH .
I got the idea .
There is no other way than tray all methods .

MARIUS

[JWLaRue]

Re: Los ANGELES class Submarine Built Thread

I need to find a photo....but an alternative, especially in tight spaces, is to run an individual servo rod forward from each dive surface and yoke them together closer to the dive module.

-Jeff

[Ralph --- SSBN 598]

Re: Los ANGELES class Submarine Built Thread

Jeff, I know what you have in mind.
I'll look and see if I have a photo as well.

Basically each control surface has it's own horn on the control shaft.
Example. Rear planes you use one control horn on each side and run a small brass rod from each forward in to the open area near the cylinder.
Then the two rods are joined together then connected to the control rod from the cylinder.

I have this on my George Washington for the Rear planes.
The rear planes are supported at the hull and at the end of the stabilizer so they are very stable.
The rudders are not held on their outer end so I use a yoke to give the rudders some support by physically connecting the rudders through the yoke.

Here is a photo where I use wheel collars to connect the rod from the control surfaces tot he rod from the servo.
This allows me to adjust the neutral position by just moving the wheel collar on the shaft coming from the cylinder.


I can use two wheel collars, one for each control surface, (left and right planes) and then slip them both on the same control shaft from the cylinder if I make them about 1/2" different in length.

This allows me to adjust the two control surfaces independently and then operate them both together at once.

This is the fun part of submarines, There are so many possible solutions to each problem.

reference: Rod (tubing) form cylinder is 1/8" for o-ring seals and the control rod to the control surfaces is 1/16" rod.

[profesorul]

Re: Los ANGELES class Submarine Built Thread

THANK You guys ,
You are amazing .
I need to speed up the work a little bit those 2-3 days until the week end because we have to prepare the house for Eastern .
We have to make the cleaning from top to bottom and sense we are at work most of the time we have only 2 hours at evening .
Actually the most of the dust is my fault because I work in kitchen so Is My responsibility to make the cleaning .

MARIUS

[JWLaRue]

Re: Los ANGELES class Submarine Built Thread

Ralph,

Yup, that's a good description of the concept.

-tnx,
Jeff

[profesorul]

Re: Los ANGELES class Submarine Built Thread

HI Guys ,

Check these out :
- I was follow Your advice and these what came up









Ha , what do You think? ,
I know is ugly but is WORKING

MARIUS

[profesorul]

Re: Los ANGELES class Submarine Built Thread

Same small updates ;





At the end is going to painted but only with one coat of primer and some grease over .

MARIUS

[JWLaRue]

Re: Los ANGELES class Submarine Built Thread

Marius,

Don't worry about "ugly"....if they work, they're good!

How much deflection are you able to get? Hopefully something like 30 degrees either side of neutral?

-Jeff

[profesorul]

Re: Los ANGELES class Submarine Built Thread

Marius,

Don't worry about "ugly"....if they work, they're good!

How much deflection are you able to get? Hopefully something like 30 degrees either side of neutral?

-Jeff

HI JEFF ,

I'm afraid is not more than 15-18 degrees each side for the dive planes ,
But I'll do my best to obtain around 30 degrees for Steering , witch I consider more important then Dive Planes .
I'm concern about the Radius of Turn at 1340mm Length !!! .
I did everything I could but the distance between the Axe is 9-10mm !!! .

MARIUS