Incidence meter/ picture?

[william krueger]

Dennis,

How about a picture of you modified incidence meter
----- Original Message -----
From: "Dennis Cone" <cone.man at verizon.net>
To: <discussion at nsrca.org>
Sent: Wednesday, May 21, 2003 10:16 AM
Subject: RE: Incidence meters


> Some years ago I saw in a K-Factor an incidence meter using a digital
smart
> level. I wanted something better than what I was using so I bought the
> level, cut the vee shaped wing holders off the Robart, threw the rest of
the
> Robart into the garbage and made my own rail to hold the digital incidence
> meter. This meter will measure to a tenth of a degree. I used dial
calipers
> to measure the light ply used in the uprights and used a wing tube to make
> the rail. Works perfect. I don't believe this level is available anymore
but
> have seen something similar on the net. Now has a laser built into it. The
> Smart level was a module placed into a longer level rail and was
> interchangeable from one length to another.
>
> Dennis Cone
>
>
> -----Original Message-----
> From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]On
> Behalf Of Kenneth Blackwell
> Sent: Wednesday, May 21, 2003 7:22 AM
> To: discussion at nsrca.org
> Subject: Re: Incidence meters
>
> Paul,
>
> The line that you mentioned is the "zero thrust line" and it is determined
> by the designer when the airplane is laid out. If you are starting with a
> kit, the kit manufacturer should provide information that will allow you
to
> set up the incidences corectly. Sometimes this is accomplished by
specifying
> how to set the fuselage up on a flat surface, by blocking up the tail a
> specified amount. Then, you can measure up from that flat surface to the
LE
> and TE....and calculate the incidence angle with trig....etc. etc. Another
> way that manufacturers specify the incidences is by scribe lines or mold
> lines on the sides of the fuselage.
>
> In the end, the most accurate way to determine incidences is by measuring
> LE/TE from a good flat surface....as Jerry Budd has already stated
earlier.
> We need to be able to set incidences to an accuracy of about 0.1 deg and
> this just isn't possible with any of the devices mentioned...so far.
>
> Cheers,
>
> Ken Blackwell
>
> ----- Original Message -----
> From: "Paul Lawrence" <pwl45 at yahoo.com>
> To: <discussion at nsrca.org>
> Sent: Wednesday, May 21, 2003 7:56 AM
> Subject: Re: Incidence meters
>
>
> > Speaking of incidence, what is the best way to find the thrust line for
> > measuring the incidence?
> >
> > ----- Original Message -----
> > From: "David Wartel" <dwartel at attbi.com>
> > To: <discussion at nsrca.org>
> > Sent: Tuesday, May 20, 2003 11:23 PM
> > Subject: Re: Incidence meters
> >
> >
> > > The book, "Building a Pattern Airplane" has a how-to on building a
very
> > > accurate incidence meter from a digital level and parts from a Robart
> > > incidence meter. I obtained a digital level at a reasonable price on
> > E-bay.
> > >
> > > Here's the link to where you can buy the book, which is excellent.
> > >
> > > http://www.ranchcreek.com/airplane/default.htm
> > >
> > > Dave
> > >
> > >
> > > ----- Original Message -----
> > > From: "Ron Van Putte" <vanputte at nuc.net>
> > > To: <discussion at nsrca.org>
> > > Sent: Tuesday, May 20, 2003 11:11 PM
> > > Subject: Re: Incidence meters
> > >
> > >
> > > >
> > > >
> > > > ORLANDO FRETS wrote:
> > > >
> > > > >I'm looking to buy an incidence meter. Can anyone shed some
> experience
> > > with the Great Plane laser and the Robart type. Which is a good
> > > recommendation?
> > > > >
> > > > >
> > > > >
> > > >
> > > > Get Jerry Budd's laser meter.  It's not cheap, but is very good.
> > > >
> > > > Ron Van Putte
> > > >
> > > >
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