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Re: PSS AOA sensor position standardization

Subject: Re: PSS AOA sensor position standardization
From: Lyle Antieau <lyle@antieau.org>
Date: Tue, 5 Mar 2002 08:23:40
I hadn't given the AoA much thought, but am working on my wings and should
probably figure out what I'm doing before closing them out.  Does PPS have
a web site?  How much was it for only the sensors?  Does the sport version
have a stall warning horn?

Lyle Antieau
A137

> Just curious, of those that are using the PPS AoA, did you decide on
> the pro or sport versions?  Quite abit difference in cost.  I purchased
> only the sensors portion of the kit as I have yet to make up my mind on
> which version.
>
> Erich Trombley
> A028
>
> writes:
>> Wow, what rapid responses!
>>
>> In my talks with the boss at PSS, I discussed the glider/short wings
>> conundrum.
>> One needs to add a second EPROM when the wings swap, since the
>> airfoil
>> is different.  If we didn't have flaps, that could have been the  easy
>> switch.
>> Nevertheless, it should be possible to piggyback a small circuit
>> board with
>> an electronic switch onto the original EPROM socket that would be
>> microswitched to an appropriate tang on the wing root.
>>
>> PSS is also in the process of certificating the AOA sport, so the
>> product
>> development is officially "mature", i.e., finished.  There were some
>> comments
>> from some of my RV friends about the display or warnings being
>> underdamped,
>> which PSS claims has been solved within the last year with V.7 of  the
>> software.
>>
>> Some of you have been irritated that PSS didn't partner with BlueMnt
>> to
>> put the AOA indicator on-screen.  Aside from there being little
>> incentive
>> for them to do that, on-panel is the wrong place for an AOA.  It
>> needs to
>> be in the pilot's field of view as s/he looks out of the window
>> during
>> landing, which is why you see so many AOA-sports sitting on top of
>> the
>> glareshield.
>>
>> Continue!
>>
>> Shaun
>> A207
>> ----- Original Message -----
>> From: "James H. Nelson" <europajim@juno.com>
>> Subject: Re:  PSS AOA sensor position standardization
>>
>>
>> > If you check out the positioning by way of the manual, you do not
>> line
>> > the two ports up vertically.  What you do is keep them in line tip
>> to
>> > trail but off set tip to root.  Does that make sense.  This puts
>> the
>> > ports at the same distance from the leading edge but not the same
>> > distance from the wing tip.  Mine is off set about 2" with the
>> lower port
>> > closer to the root.  My wing is a foam wing and I cut a 6" hole
>> through
>> > the bottom skin and made a flange to put inside to reattach the
>> cover
>> > when I finished the installation.  I then ran my urethane lines
>> out to
>> > the tip and ran them back through the conduit I used for the wing
>> wiring.
>> >  BTW, proprietary Software has a disconnect for their tubes.  I am
>> > getting mine next week.  I forgot to mention it to Jim at PS to
>> include
>> > it with the kit.   I also sent Jim the way we "operate" our Europa
>> a/c.
>> > Since we mono wheel drivers have no control for separating flap
>> from gear
>> > extensions and the tri gear drivers only have flaps to operate,
>> I've
>> > asked Jim to help us on our setups to the CPU in the unit.  I will
>> keep
>> > you up dated.
>> >         Well, I'm doing the final bits to proceed with painting.
>> Which I
>> > should have done for Sun-N-Fun.  I'll be bringing my a/c to the
>> Europa
>> > dinner as one of at least four others.  It will give us all a
>> chance to
>> > see the many varietys we are doing.
>> >
>> >
>> >                               Jim Nelson
>> >
>> >                               A058     N15JN
>> >
>> >
>> writes:
>> > > Shaun:
>> > >             I'm not going either.............:-(
>> > >             I have foam wings, and that seems to be old poo so
>> don't
>> > > think
>> > > I'm topical. I phone the boss at Proprietary and we had a long
>> chat,
>> > > the nub
>> > > of which was you can be inside his limits and the only thing
>> that's
>> > > critical
>> > > is that the two orifices are directly vertical one under the
>> other.
>> > > He said
>> > > the real comparison is between them rather than the proper
>> readings
>> > > of each.
>> > > Hope this softens worries somewhat - sorry I can't speak for the
>> XS
>> > > models.
>> > > Ferg
>> > > A064
>> > >
>> > >
>> > >
>> > > The Europa Forum is supported by Aviators Network UK
>> > > <info@avnet.co.uk>
>> > >
>> >
>> > The Europa Forum is supported by Aviators Network UK
>> <info@avnet.co.uk>
>> >
>>
>>
>> The Europa Forum is supported by Aviators Network UK
>> <info@avnet.co.uk>
>
> ________________________________________________________________



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