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Old 01-10-2017, 06:43 AM
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johnrk johnrk is offline
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Default Magni sets altitude record!

From the Aero Society podcast description:

"On November 8th, 2015 Donatella Ricci achieved the new world
gyroplane altitude record reaching 27,556 feet with a Magni
Gyro M16. This lecture brings together all the lessons Donatella
learned along the nine month journey to achieve such a
record."

The last record was held by an American in a Little Wing - 26,400! Wowza!

OK Abid - get to work

The iTunes link is not working on my phone so here is the link to the mobile page on Soundcloud

https://m.soundcloud.com/aerosociety...d-lecture-2016

And here it is in iTunes if you have an iPhone:
Cierva Named Lecture

Very interesting - they lengthened the blades 10 cm each and modified the rotor pitch for higher efficiency at altitude. This led to long take off rolls. They also added a manual controller for the turbo which PREVENTED automatic deactivation above 15K by the electronic controller A flight suit with electric heating elements and a special oxygen mask and system were added. Parts were removed (fairings etc) that were considered non-essential for weight savings. Pretty impressive venture to consider a Magni at 27,556 feet!!

Last edited by johnrk; 01-14-2017 at 07:21 AM.
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  #2  
Old 01-10-2017, 10:55 PM
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Quote:
Originally Posted by johnrk View Post
They also added a manual waste gate controller for the turbo which was intentionally deactivated above 15K - that fact seemed counter-intuitive to me!
If they disabled the wastegate above 15k', it would result in max available boost at all times.
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  #3  
Old 01-11-2017, 03:49 PM
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I reviewed that section of the audio and it appears she said (in her broken English) that the electronic controller shuts off the turbo above 15K, "...because they don't want people flying that high," so she learned to manually control the turbo. It is the 25 minute mark if you want to review it. Sorry for the misunderstanding...

Last edited by johnrk; 01-11-2017 at 03:52 PM.
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Old 01-11-2017, 07:55 PM
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Congrats to them, I guess. It's routine for gliders to bust that height with no engine at all, much less a turbocharger . . .
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Old 01-12-2017, 01:17 AM
ckurz7000 ckurz7000 is offline
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I wonder if it wouldn't be relatively easy to better that altitude record if you used the same technique as gliders: get in a wave and ride it up. I have been in a wave with the gyro and was still going up with engine at idle.

-- Chris.
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Old 01-12-2017, 04:41 AM
loftus loftus is offline
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I wonder if it wouldn't be relatively easy to better that altitude record if you used the same technique as gliders: get in a wave and ride it up. I have been in a wave with the gyro and was still going up with engine at idle.

-- Chris.
Would this not be inordinately more difficult in a gyro, not being a glider?
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Old 01-12-2017, 05:45 AM
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congrats! Magni is a very nice machine.
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Old 01-12-2017, 06:36 AM
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Can an Everest over-flight be far behind?
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Old 01-12-2017, 08:01 AM
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Actually the record was previously held by a Namibian, not an American...

https://www.youtube.com/watch?v=jEFNrieoW1M

Regards
Jean.
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Old 01-12-2017, 09:37 AM
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Quote:
Originally Posted by loftus View Post
Would this not be inordinately more difficult in a gyro, not being a glider?
The glider record is just over 50,000 feet.
Busting 30,000 is not hard in fixed wing aircraft using wave currents. What you need is two things in combination: just enough forward speed to hold your fore-aft position in the winds that create the wave system, and a sink rate that is lower than the updraft speed of the air. (There's a gradient in the wind speed with altitude, so gliders might fly slow s-turns at the lower altitudes to reduce forward progress, but fly very fast straight ahead when up really high, to hold windward position in the stationary wave system.) I have seen climb rates well in excess of 2,000 fpm in a 1400 pound sailplane, while flying with forward speed in the vicinity of only 60 mph, so there is plenty of energy available in the atmosphere. A gyro will not have an engine-off sink rate as small as a sailplane at wave forward speeds, but if you're only seeking the mid 20 thousands, where the forward speed required is lower than at higher altitudes, and especially if you can use a little power, it could well be possible on the right day in the right place.

Last edited by WaspAir; 01-12-2017 at 09:45 AM.
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  #11  
Old 01-12-2017, 09:43 AM
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Originally Posted by Doug Riley View Post
Can an Everest over-flight be far behind?
The options for emergency landing in that neighborhood are not very appealing, unless you're the sort who routinely carries crampons and ice axe in your kit and like to land on steep icy slopes.
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Old 01-13-2017, 02:34 PM
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@jstresfron - I was just repeating what she stated in the podcast. I have no idea how their record was verified, hers was verified by the International Aeronautical Federation, they have several requirements including a logger with GPS. She also said that in order for it to be considered a record you had to break the old record by 3%, which they missed by 529'.

The podcast was posted on November 20, 2016 and she mentions the Little Wing record at the 19:15 mark of the podcast and then she goes on shortly thereafter to state the IAF requirement to break the previous record by 3%.

Quote:
Actually the record was previously held by a Namibian, not an American...

https://www.youtube.com/watch?v=jEFNrieoW1M

Regards
Jean.

Last edited by johnrk; 01-13-2017 at 02:54 PM.
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  #13  
Old 01-13-2017, 04:58 PM
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Wholla - she has a website with some images from the records breaking flight!

http://www.gyrodona.com/index.html


And here is the Fai record
John

Last edited by johnrk; 01-15-2017 at 05:35 PM.
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  #14  
Old 01-13-2017, 08:25 PM
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Rock on! Go Team Magni!

-Kurt
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  #15  
Old 01-13-2017, 09:42 PM
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Great achievement and great to hear that a female pilot has taken on that challenge and has succeeded!
Hopefully that will foster more women to join the ranks and files of the autogyro gang.
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