Mailing List flyrotary@lancaironline.net Message #42979
From: Bob White <bob@bob-white.com>
Subject: Re: [FlyRotary] Re: Off Topic Question for Lynn
Date: Tue, 27 May 2008 08:56:33 -0600
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Thanks Lynn.  I can't quite visualize what the 1" flat stock is
supposed to look like from your description.  A drawing would be
appreciated.  That will give me a lot of flexibility in positioning the
engine.

Bob W.  (Astounded as usual by Lynn's comprehensive knowledge.)




On Tue, 27 May 2008 08:01:01 EDT
Lehanover@aol.com wrote:

> You can probably have a shift lever anywhere along that shaft you would  
> like. At the worst the H pattern may be reversed so that (for example) low might  
> be to the right and back rather than to the left and back. This seems like a
> big  deal at first, but a few laps around the block and you forget that it is  
> different.
>  
> Drill a horizontal 1/4" hole through the shaft anywhere you want a lever.  
> Build a lever from 1" flat stock folded into a inverted "U" shape so as  to fit
> over the hole in the shaft. Drill a a matching 1/4" hole  through the strap
> stock. Weld on a bolt sticking up to screw your shift ball  onto. Leave one leg
> of the "U" shape 3" longer than
> the other and add a couple of 1/4" holes in a vertical plane. These holes  
> will get one bolt for the pivot link so as to be adjustable. Construct a pivot  
> link of small tube stock with a 1/4" nut welded to each end. Screw in a 1/4"
> rod  end and jam nut on each end. One end bolts to the trans about in line with
> the  stock shaft. Forward of the lever or to the rear of the lever makes no  
> difference. The other end bolts to the longer strap below the shaft. Double
> nut  the shaft bolt to adjust clamping force for good feel.
>  
> There is another system that works well. I can draw up both if you  like.    
> Shift up a storm.
>  
> Lynn E. Hanover    
>  
>  
> > > On a related subject, the gear shift is located about 10-12  inches back
> > > with a round shaft connecting to the shifting  mechanism inside the
> > > transmission. Would it be difficult, or even  possible to shorten that
> > > shaft? I think the stock location will be  too far back in the Alpine.
> > >
> > > Bob W.
> > >  
>
>
>
>
>
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>


--
N93BD - Rotary Powered BD-4 - http://www.bob-white.com
3.8 Hours Total Time and holding
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