Welcome to the NavList Message Boards.

NavList:

A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding

Compose Your Message

Message:αβγ
Message:abc
Add Images & Files
    or...
       
    Reply
    Artificial Horizon K&E No 6 repaired
    From: Bruce J. Pennino
    Date: 2013 Jan 8, 17:44 -0800

    Hello:

    Attached are photos of repaired AH. The work was done by a friend who is a very talented mechanical engineer and skilled machinist. He is the director of one of the largest commercial fluid meter facilities in the world.

    He identified the jug and funnel material as cast iron by the fracture and exposed grain of the broken spout. His first thought was to drill out old spout, heat the funnel, and slide in a new spout which would be held by the contracting metal. He decided that the carbon steel new spout might fracture the cast iron funnel.

    Instead he drilled out the old spout without altering the inside of the funnel. Threaded new hole and inserted new spout with a "locking" material that would prevent unthreading. Pretty cool! To protect the spout, he made the shiny nose cone from a cast iron old window sash weight.

    When warmer, some starry night I'll try this out and compare results against a mirror.

    Bruce
    ----------------------------------------------------------------
    NavList message boards and member settings: www.fer3.com/NavList
    Members may optionally receive posts by email.
    To cancel email delivery, send a message to NoMail[at]fer3.com
    ----------------------------------------------------------------

    File:


    File:


    File:


       
    Reply
    Browse Files

    Drop Files

    NavList

    What is NavList?

    Join NavList

    Name:
    (please, no nicknames or handles)
    Email:
    Do you want to receive all group messages by email?
    Yes No

    You can also join by posting. Your first on-topic post automatically makes you a member.

    Posting Code

    Enter the email address associated with your NavList messages. Your posting code will be emailed to you immediately.
    Email:

    Email Settings

    Posting Code:

    Custom Index

    Subject:
    Author:
    Start date: (yyyymm dd)
    End date: (yyyymm dd)

    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site
    Visit this site