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Author: roy sherman (roy.sher...@att.net) contact the author Subject: New Rudders Info: (24779 views) Posted: Monday 12-31-07 05:49:35 AM |
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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