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Sep 11, 2012, 07:54 PM
Never fly an A model anything!
jayb1rdz's Avatar
Quote:
Originally Posted by rsowder View Post
I'm guessing you were using "Foam safe" CA. You need to use "Non foam safe" CA. With that, you'll break the foam before you break the glued joint.
Thank you for adding that important detail.

Foam safe CA is a poor bonding material for EPO. Regular Med -CA with kicker is best.
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Sep 11, 2012, 08:31 PM
Registered User
I'll be sure to add some of that to my cart next time I order something.
Sep 12, 2012, 01:47 AM
Registered User
Daemon's Avatar
X8 spin testing
FPV - X8 - Spin baby spin (8 min 24 sec)


ian
Sep 12, 2012, 03:57 AM
Opt
Opt
Registered User
Fantastic work, Ian. Thanks for this.
Sep 12, 2012, 04:48 AM
Post # 20 million
Kev.au's Avatar
Quote:
Originally Posted by Daemon View Post
You spin me right round (like a record baby) lyrics (3 min 13 sec)
Sep 12, 2012, 07:15 AM
You can't take the sky from me
Rastislavko's Avatar
This fits better:

TaleSpin Intro (1 min 1 sec)


Great work, Ian. What about your head after all that spinning? And, did you find that poor GoPro?
Sep 12, 2012, 09:19 AM
Registered User
Quote:
Originally Posted by Daemon View Post
That was a thing of beauty! You were able to get much better video proof than I did because I was uncertain of the results, so mine were from much higher altitudes.
From your vids, my conclusions in post #5343 still stand.
https://www.rcgroups.com/forums/show...postcount=5343
Sep 12, 2012, 09:38 AM
Registered User
Ian:
Did you find out that left spins are easy to enter than right?
Did you balance your wing laterally??

Felipe
Sep 12, 2012, 10:42 AM
Registered User
Daemon's Avatar
Quote:
Originally Posted by Rastislavko View Post
And, did you find that poor GoPro?
Ya. Pointing down in the spin moments before gave me an idea of where I was
positioned relative to the railroad tracks. OSD told me the distance from
base station and speed. Dropping the camera at 35mph from 630ft up
means it'll travel roughly another 100 yards. Did a few calculations and marked
the center of the search area on Google Earth. We ran out there, and I found
it in the short grass inside of 3 minutes. Camera was ok, but it had ejected
the card, so no video of the fall. Without a ground recording, it would have been
totally impossible to find.

Quote:
Originally Posted by Flying Tivo View Post
Ian:
Did you find out that left spins are easy to enter than right?
Did you balance your wing laterally??

Felipe
Yes, my particular X8 will only spin to the left. The scariest spin started
with an attempt to go right, but it still snapped to the left. There's no
obvious reason why it prefers left but the plane is a bit beat up.

ian
Last edited by Daemon; Sep 12, 2012 at 10:48 AM.
Sep 12, 2012, 11:08 AM
Scale Foam Flyer
Cubcrazy's Avatar
Most planes decide which direction they prefer to spin based on the prop orientation with regard to rotation and thrust line. Try doing some spins with power off in both directions and see how the lack of motor torque effects it.

-Cub
Latest blog entry: Parkzone Stinson Reliant
Sep 12, 2012, 11:18 AM
Registered User
Daemon's Avatar
Should be fairly obvious from the video, that the motor was off for *every* spin.

ian
Sep 12, 2012, 11:25 AM
Scale Foam Flyer
Cubcrazy's Avatar
deleted
Latest blog entry: Parkzone Stinson Reliant
Sep 12, 2012, 12:54 PM
Houba ! Houba !!
rcmonster99's Avatar
Quote:
Originally Posted by Daemon View Post
this is test pilots stuff only you get to keep your derriere firmly on the ground.
Sep 12, 2012, 01:49 PM
Italy Genoa
Today i made my first flght with the x8 wing and i am sorry but it doesn't work, i made the correct cg and i went up on a hill where we fly with gliders to make a first fly more easy and secure.
But the x8 was put it noese up on the sky and then stall. i did 3 times then i quit.
Please can you tell me how much weight you put on to correct the cg?
i think to make fly this delta it needs to go fast and never get slowly if not it stall, is it correct?
Thanks Alex
Sep 12, 2012, 02:05 PM
Registered User
Daemon's Avatar
It's hard (almost impossible) to hand launch the X8 without power. The problem
is the finger holes are well below the center of mass, so when you try to throw
it hard, it pitches upward and tip stalls, because it won't fly without at least 15-20mph
of airspeed. A running launch with the nose down might work from a hill,
but it's a lot easier to just power up and let the thrust keep it from pitching up.

ian


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