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Author: roy sherman (roy.sher...@att.net) contact the author
Subject: New Rudders
Info: (24541 views) Posted: Monday 12-31-07 05:49:35 AM
What ever you have is fine. I would perfer something I could bright finish if posable. I have started my own out of ceder and have found the same thing it will have to be glassed. Mahogany leading and trailing edge would be good or you might look at a hard wood trailing edge.

let me know how it is comming the photos look neat.

:: Roy,
::
:: What material? Spruce? Mahogany?
::
:: I cut several more rudder blanks today, and posted some
:: photos in the Builders Corner of the Photos page here. I
:: also tried to post a message about it, but apparently it
:: didn't 'take'....
::
:: The rudders I made today are western red cedar with a
:: mahogany leading edge. The cedar is very weak, and needs
:: the glass wrap real bad. The trailing edge fo the first
:: all cedar one was thicker and is OK- the ones today had
:: tighter tolerancing and the trailing edges are 'ratty'.
:: The glass will fix it. I'll laminate 2 all mahogany ones
:: tomorrow for machining Jan 1.
::
:: I hope this message posts OK....
::
:: Rick Loheed

:: http://mysite.verizon.net/vzew00ta/loheed
::
::
:: :: I do now place my order for 1 rudder blank
:: ::
:: ::
:: :: :: Windmillers-
:: :: ::
:: :: :: I have written the G-Code programs for the new rudder,
:: :: :: allowing 0.010" for a thin glass finish over the
:: :: :: recomended NACA 0012 section, and purchased western red
:: :: :: cedar and mahogany. Ethan and others would prefer Spruce
:: :: :: and I have now a source for that, too. This afternoon I
:: :: :: am ripping and gluing up my laminations for my rudder,
:: :: :: which will be the first Windmill rudder on the CNC
:: :: :: router. I plan to use mahogany for the leading and
:: :: :: trailing edges. After that, it will get a 'peel-ply' and
:: :: :: absorbent mat vacuum bagged layer of 8 oz glass/epoxy-
:: :: :: after which I will finish it out with Bristol Finish.
:: :: :: The vacuum bagging of course ensuring the maximum
:: :: :: glass/resin ratio.
:: :: ::
:: :: :: I think I can cut unfinished wood blanks for $125.00-
:: :: :: that is what I have told Ethan. After the first article,
:: :: :: I will know better how much time it takes.
:: :: ::
:: :: :: See http://mysite.verizon.net/vzew00ta/loheed
:: :: ::
:: :: :: See you at the Mid-Winters!

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