emergency steering position.... - SailNet Community
 
LinkBack Thread Tools
post #1 of 3 Old 09-04-2007 Thread Starter
Senior Member
 
Join Date: Sep 2006
Location: Scotland
Posts: 2,364
Thanks: 0
Thanked 11 Times in 11 Posts
Rep Power: 9
 
emergency steering position....

My olde Union 36 has no emergency steering position, and it troubles me occasionally. The steering is a worm gear, with the worm passing over the TOP of the rudder post, and two worm followers on opposite threads fore and aft. The followers are linked to the rudder head.

The rudder post terminates in thin air, perhaps 2 ft below the deck, and it would be very difficult to extend the rudder post up until it meets the deck in the more orthodox emergency steering arrangement.

I had thought of fitting a torque arm to the rudder post (it's about 3" diameter) and linking a double acting piston to a quick-connect torque arm, in classical hydraulic steering style. The problem is the power source. I looked at one of those hydraulic pumps that normally reside behind the steering wheel of a powerboat, and somehow having the "business end" of that looking up at me on the floor of the cockpit, or on the cockpit seating just to the right of the helmsman, with a wee cover on it to keep the seawater out, and met by a simple crank.

I can work out the forces and stuff and should be able to get the "gearing" right for that.

I wanted to avoid a formal electrical power source for it. I would just about die if the electrical pump failed me at a time like that, or a fuse blew or something, so it needs to be orthodox.

I was attracted to hydraulics as the alignment of gears, chains and cables would be more difficult, and its use would be rare, I hope.

Thanks.
Rockter is offline  
Quote Quick Reply Share with Facebook
Sponsored Links
Advertisement
 
post #2 of 3 Old 09-04-2007
Telstar 28
 
sailingdog's Avatar
 
Join Date: Mar 2006
Location: New England
Posts: 43,290
Thanks: 0
Thanked 14 Times in 12 Posts
Rep Power: 14
         
The problem with any emergency steering system will be the existing worm gear setup. In many worm gear setups, the worm gears will add a lot of resistance to the steering system.

Sailingdog

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

Telstar 28
New England

You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

If you're new to the Sailnet Forums... please read this
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
.

Still—DON'T READ THAT POST AGAIN.
sailingdog is offline  
Quote Quick Reply Share with Facebook
post #3 of 3 Old 09-04-2007 Thread Starter
Senior Member
 
Join Date: Sep 2006
Location: Scotland
Posts: 2,364
Thanks: 0
Thanked 11 Times in 11 Posts
Rep Power: 9
 
Yes Saildog, but I will have to live with it. On the canal the other day, the steering suddenly seemed very vague. I could find nothing worng with it, but it gave me the jitters, as we say.

There must have been a canal side outlet somewhere.

It made me think.
Rockter is offline  
Quote Quick Reply Share with Facebook
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the SailNet Community forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
Please note: After entering 3 characters a list of Usernames already in use will appear and the list will disappear once a valid Username is entered.


User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Similar Threads
Thread Thread Starter Forum Replies Last Post
Steering System Spring Checkup Tom Wood Her Sailnet Articles 0 04-26-2004 08:00 PM
Checking the Wheel Steering System Will Keene Gear and Maintenance Articles 0 07-31-2002 08:00 PM
Emergency Steering John Kretschmer Seamanship Articles 0 03-08-2002 07:00 PM
Emergency Steering John Kretschmer Gear and Maintenance Articles 0 03-08-2002 07:00 PM
Emergency Steering John Kretschmer Cruising Articles 0 03-08-2002 07:00 PM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome