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-   -   Help with 3d set up for prop hang (https://www.rcuniverse.com/forum/3d-flying-82/11634561-help-3d-set-up-prop-hang.html)

sabreflyer 12-01-2016 09:15 AM

Help with 3d set up for prop hang
 
Hi all,
New to 3d flying. I have been prop hanging on the sim, then on a night Visionaire foamy, and am now flying a GoldWing Yak 54 e 57" model. It is powered by Hacker 14XS 5s and the recommended 15x8 prop. I spent today checking C of G and It flies with just a slight touch of down elevator when inverted.
When I try to prop hang it falls towards the nose. I use all the elevator to try and hold it vertical. If I use a bit more throttle to help the elevator bite, it climbs out.
I am wondering if it is my flying or if it is a question of the way I have it set up?
Any advice gratefully received.
Many thanks.

ahicks 12-02-2016 09:58 AM

Best bet is you're needing practice, lots of it, and that is not meant as an insult at all. Many have been messing with 3D for quite a while (years). It's not something you ever perfect. It's something you're always working toward. It's about building stick time - the more you commit, the better you fly.

I don't think there is a proper "set up" for hovering. I think proper setup depends on how the plane does everything else you expect of it - then you hover it.

Down elevator requirement when inverted might be interpreted as a little nose heavy.

Good practice conditions are when there's a slight breeze. You can kinda lean the plane into the breeze to help stabilize it. Could be on knife edge or inverted, but when just getting used to it, it might be easiest to have the plane headed into the wind and just play with it. Helps if the wind is coming from your left or right. Coming at or away from you a lot more difficult. Use power to control your altitude, and once you get it vertical, just tiny stick inputs will generally hold it in place.

Stick with it!

sabreflyer 12-03-2016 09:21 AM


Originally Posted by sabreflyer (Post 12282106)
Hi all,
New to 3d flying. I have been prop hanging on the sim, then on a night Visionaire foamy, and am now flying a GoldWing Yak 54 e 57" model. It is powered by Hacker 14XS 5s and the recommended 15x8 prop. I spent today checking C of G and It flies with just a slight touch of down elevator when inverted.
When I try to prop hang it falls towards the nose. I use all the elevator to try and hold it vertical. If I use a bit more throttle to help the elevator bite, it climbs out.
I am wondering if it is my flying or if it is a question of the way I have it set up?
Any advice gratefully received.
Many thanks.

Thanks for your reply. Yes this is what I suspected...lots of practice needed! The confirmation from yourself meant I could focus on flying and forget set up for a bit. I went flying today and it was 5mph winds so felt quite different. I was able to get the plane's nose properly vertical without it falling forward and hold it while it drifted down wind. I think practice and a little experimentation with the C of G will do it.


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