Today's Message Index:
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1. 06:51 AM - YAAP! Yet Another App (rampil)
2. 12:15 PM - Re: Cruise speed data for Monowheel with 912ULS (Paul M 383)
3. 02:29 PM - Re: Cruise speed data for Monowheel with 912ULS (Peter pender)
4. 02:58 PM - Re: Cruise speed data for Monowheel with 912ULS (Griffo)
Message 1
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| Subject: | YAAP! Yet Another App |
Greetings All,
I tried to get this out for Sun and Fun, but the Apple review process
slowed me down a bit. I did get a good chance to test the app there
though as anyone who stopped by Bud's Airmaster booth probably saw.
This new app is called "Plane Nosy" and its function is to scan a picture
of an aircraft with its registration number showing (US N-numbers only
at the moment, until I find a reliable public source for other countries
civil aviation data!). The app uses machine vision AI to read the number
in real-time, look it up, and display the public info such as Model, Owner, Engine,
etc.
Being at SnF allowed field testing against some pretty "interesting" paint
schemes, but my algorithms worked extremely well. You can however edit
the number, or type it in from scratch if you wish.
Plane Nosy is available for iOS devices in the Apple App Store at:
https://apps.apple.com/tt/app/plane-nosy/id1562366457?ign-mpt=uo%3D2
While you are at the App Store, search for "Aviametrix" to see the other aviation
apps I've written.
Sorry Android guys, the variety of hardware in the market does not generally
include the uniform, custom neural network AI hardware built-in to the past five
years of iPhones and iPads.
--------
Ira N224XS
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http://forums.matronics.com/viewtopic.php?p=501513#501513
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| Subject: | Re: Cruise speed data for Monowheel with 912ULS |
Duncan McFadyean wrote:
> The SL (SL-912-016R1) doesn't say what is being reported in this thread. It says:
> "Continuous use of engine speed below 5200 rpm must follow manifold pressure
graph...."
>
>
> Duncan McF.
>
Actually, another part of SL-912-016R1 (and the original issue, page 4) says exactly
what was reported, but R2 (4 Dec 2020) has now changed - it now refers you
to an exciting RPM/MAP/RON graph.
HTH
Paul
G-PLPM
XS Mono 912ULS
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http://forums.matronics.com//files/sl_912_016r2_a_402.jpg
http://forums.matronics.com//files/sl_912_016r2_b_113.jpg
Message 3
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| Subject: | Re: Cruise speed data for Monowheel with 912ULS |
Thanks Paul for backing me up.
I don't normally post on forums but was just trying to help people with the correct
info from rotax.
R1 actually states that line you copied, and I posted, three times.
cheers Peter
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| Subject: | Re: Cruise speed data for Monowheel with 912ULS |
Soooo!
After all that, the advice remains;
For fixed pitch propellers (including ground adjust) - setting pitch to get a
minimum 5200 rpm Static - will give you 5200 rpm on initiating take off (WOT)
with the engine speed climbing as air speeds increases. Adjust climb angle to
keep engine rpm below red line.
Cruise Climb & Cruise should be at a minimum of 5200 rpm.
I a nut shell - Rotax 91 engines thrive on /love rpm - you are not doing them any
favours operating below the Rotax recommended engine speeds.
--------
46
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