| Subject: Re: Autohelm 1000 |
Author:
Brian Henry
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Date Posted: 14/11/03 21:53:52
In reply to:
FRED SMIFF
's message, "Autohelm 1000" on 14/11/03 17:50:01
John (or Fred), thanks for reviving this thread as you can teach me a lot about the subject - yours works and mine doesn't - under sail, that is. I just hope I don't bore you with some repetition.
After some reflection I believe that I may have taken a little licence in the interpretation of the distance "rudder stock centre line to tiller pin", but I will have to wait until I am back on the boat to check.
I remember scratching my head at how to fit the distance recommended into our T500 tiller configuration, where the long curve, starting at cockpit sole level, does not reach the seat level where the unit must be mounted and be horizontal to the pin, until the distance is exceeded.
The installation handbook gives this distance as 18" and notes that it is "critical". If the mounting is further forward, the pushrod has a longer travel for the same degree of compensation and must take longer to do it. As we both know, with that rudder shape and mounted so far aft, any course deviation is quickly amplified (twitchy ?); a longer time to correct could be too late. This seems to be my problem - too little, too late.
My question to you is, if you did comply with the 18" rule, how do you fit to the tiller, which is not high enough at that point?
Hang about... didn't you once say that you have your own tiller made out of some old angle iron? In which case you could just bend it up where you want when you made it, I suppose. So that's that then, no revelation likely here. I guess I shall just have to have a nasty bit of metal sticking up from my beautiful laminated mahogany and ash tiller at the 18" point to fit the pin to. Or crank up the tiller every time I attach.
Best,
Brian.
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