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OK, here are the pictures.
---------------------- Forwarded Message: ---------------------
From: "Powell, Ken" <Ken.Powell@fnf.com>
To: <kenpowell@comcast.net>
Subject: pictures
Date: Thu, 22 Jan 2004 11:01:14 -0600
From: kenpowell@alltel.net
Sent: Wednesday, January 30, 2002 5:01 PM
To: Powell, Ken
Subject: (Fwd) Cantilevered RV-4 Engine Mount weights
------- Forwarded message follows -------
Date sent: Sun, 27 Jan 2002 17:42:45 -0800
From: ACRE NL <rotaryeng@earthlink.net>
Subject: Cantilevered RV-4 Engine Mount weights
BCC to:
> > > Well, after months of rebuilding motor mount pieces and lots of
> > > input from the guys here on the list, I am finally finished with
> > > my RV-4 motor mount. Note that this mount is for a PP motor so
> > > I had a little more flexibility on the left side of the engine
> > > since there is not a 4 or 6 port intake manifold to make things
> > > more difficult. Special thanks to Paul, Mike Wills and Monty
> > > Roberts for their input. The advantages of this mount is that
> > > for a narrow single place or tandem aircraft there is much more
> > > room under the engine for radiators and exhaust; the value of
> > > this cannot be underestimated unless you have tried to fit all
> > > of this stuff in a 24" wide cowling! Pictures are attached.
> > >
> > > Ken Powell
> > Looks like it will work fine Ken. Glad to see you supported the
> > upper truss in the vertical plane. Good way of doing it. The only
> > thing I can see to watch is a little local bending in the
> > connection between the rubber bushing brackets and the rectangular
> > cross tube. Got any detail sketches on that? What does it weigh?
> >
> > Paul Lamar
> The original conical mount from Van's weighed 11 lb 6 oz. The
> new mount
> weighs 13 lb 3 oz, or 1 lb 12 oz more. Lot's of extra .75" tubing
> there!
> The engine adapter mounts weighed a total of 5 lb 12 oz. The
> lower mount
> weighed 2 lb 12 oz, the right upper weighed 1 lb 11 oz and the upper
> left mount weighed 1 lb 12 oz. The three adapter mounts were
> weighed together as well as individually to eliminate rounding
> errors. Note that the upper adapter mounts (on both sides) tie the
> front and rear of the engine together to eliminate extra loads on
> the tension bolts.
>
> Ken Powell
The AirCraft Rotary Engine NewsLetter. Powered by Linux.
ACRE NL web site. http://home.earthlink.net/~rotaryeng/
http://www.linux.org
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