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msmfi
03-20-2012, 04:31 PM
"...gyroplane that appears to completely meet the stability criteria established by Cierva is the Aviomania Genesis." C.Beaty
( http://www.rotaryforum.com/forum/showpost.php?p=466749&postcount=231 )
:)

[Thead: "Gyroplane Thrustlines vs. Center of Gravity", Post: #231]

StanFoster
03-20-2012, 04:38 PM
Mirek- I just saw that post by Chuck. Now that says a lot to me coming from Chuck. Nicolas put a lot of thought into its design. Stan

All_In
03-20-2012, 06:12 PM
Hi Mirek
Thank you so much for pointing this out.
I would have but I'm driving across country to Indiana and can only stop in for s few minuets each day. I miss this place so much when I'm off line.

The link did not work so I found the thread and here is a like that works.
http://www.rotaryforum.com/forum/showthread.php?t=13060&page=16

Thanks again

t-bird
03-15-2013, 04:09 AM
Is it possible to post a sideway drawing of the Genesis with its Centre of Gravity and thrust line and then the Cierva’s criteria for stability applied to the same drawing.

All_In
03-15-2013, 08:14 AM
Is it possible to post a sideway drawing of the Genesis with its Centre of Gravity and thrust line and then the Cierva’s criteria for stability applied to the same drawing.
Good morning Callie.

I do not have a profile drawing. I can provide a picture and a video I hope this helps.

Aviomania Presenting: - YouTube (http://www.youtube.com/watch?v=yuX56g6hv7E)

Joe Pires
03-15-2013, 08:22 AM
Hi Mirek
... I'm driving across country to Indiana and can only stop in for s few minuets each day.

Consider Polkas instead, they are aerobic.

t-bird
03-16-2013, 03:03 AM
Hi John

I was just interested as to how the conclusion that Genesis fit’s all Cierva’s theory for stability was reached.

The flying in the video is impressive but not conclusive as to how it fits the theory, all the same manoeuvres have been performed in Gyro’s without horizontal stabilisers in the past.

Gyro_Kai
03-16-2013, 04:37 AM
Hello,
I can only provide my subjective impression.
I normally fly MTOs, Calidus and the like. To me the Genesis was a revelation. It was perfectly CLT for me (you can adjust a bit for weight, but Nicolas, Giorgos and I are in similar weight classes), so that pushing or pulling the throttle didn't change the pitch attitude on first reaction. What impressed me most, however, was the fact that there was no torque roll reaction. After a moment of getting used to, I did not have the feeling of controlling an aircraft that flies. It was more like wearing an aircraft and that I was flying.

Kai.

C. Beaty
03-16-2013, 04:58 AM
But it doesn’t look like a Lamborghini.

helipaddy
03-16-2013, 05:40 AM
Consider Polkas instead, they are aerobic.

Priceless! Your best yet Joe!

Aviomania
03-16-2013, 09:29 AM
Hi John

I was just interested as to how the conclusion that Genesis fit’s all Cierva’s theory for stability was reached.

The flying in the video is impressive but not conclusive as to how it fits the theory, all the same manoeuvres have been performed in Gyro’s without horizontal stabilisers in the past.

T-bird,

Centerline thrust is considered to be a gyroplane that has the thrust line passing + or- 2" (5 cm) from center of mass. The genesis also has an aerodynamically active tail compensating torque, yaw and pitch.

Now where exactly the thrust line passes and what angles and volume is on the tails and any other details are Only for us to know ;) .

the point is ...... the Genesis frame provides a stable platform to control the rotor from.. it also has no negative aerodynamic stability (like the slip roll problems that have been disused recently) and that makes for a fun easy to control and forgiving gyroplane. (to a point of course).


oh... and some maneuvers (if you search for some more videos) CAN NOT be performed safely by gyroplanes without HS.

Redbaron
03-16-2013, 05:58 PM
But it doesn’t look like a Lamborghini.

lipstick on a pig would get old for me cb. :)

t-bird
03-16-2013, 09:04 PM
Hi Nicolas

My criticism is more aimed at the comments of the Gyro meeting Cierva’s theory of stability than at the Gyro itself.

These comments are made without having all the details of the gyro especially the forces of the tail.

The gyro looks awesome and VERY stable and I would have bought a kit if money was not an issue.

Regards

Callie