New X8 WING - Page 415 - RC Groups
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Nov 09, 2012, 07:13 PM
Youtube: TomRi25
Dr.Tom's Avatar
X8 skywalker handlaunching and landing... (4 min 36 sec)


btw, HK has metal gear 180 servo, pretty cheap
http://www.flyfreak.net/elektronika-...cseen#msg95023
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Nov 09, 2012, 07:20 PM
Registered User
Daemon's Avatar
I use the Hitec HS-5245MG for the GoPro pan servo on my Skywalker. It can
be programmed to 180 degrees, but you need access to a Hitec digital servo
programmer (my LHS has one I use).

ian
Nov 10, 2012, 12:07 AM
Registered User
Ecilop Chasing X8

Ecilop Chasing X8 part 2 (2 min 9 sec)
Nov 10, 2012, 04:46 AM
Never fly an A model anything!
jayb1rdz's Avatar
You just need to add your peregrine falcon to the chase... Looks like an Etihad Airlines Commercial. Nice
Nov 10, 2012, 04:59 AM
Registered User
Quote:
Originally Posted by TheCure
Pictures as requested.
Took a good few hours per side to sand that taper down
Nice. Well done

http://www.facebook.com/groups/projectbigbird
Nov 10, 2012, 05:02 AM
Registered User
Video soon....

Did 2 Maiden flights today with BigBird. Both ended in flat spins that I could not get out of....

No damage and ALL caught on video from onboard and the ground.

Bungee launch worked really well too..

Hmmmm - ideas...?

Cheers

http://www.facebook.com/groups/projectbigbird
Nov 10, 2012, 05:21 AM
Praying for better weather
Coyote64's Avatar
Sounds like you have your CG too far back and too much throws on your control surfaces.

Or just CG too far back
Nov 10, 2012, 08:59 AM
The Flying Circus
ommadawn's Avatar
Getting ready to maiden. What is recommended control throws in mm, and how much reflex please?
Nov 10, 2012, 09:27 AM
Praying for better weather
Coyote64's Avatar
No reflex, 10mm ailerons + 10mm elevator on top works for me
Nov 10, 2012, 09:34 AM
The Flying Circus
ommadawn's Avatar
Thanks Coyote. So 10mm travel each way, same travel for elev and ail, and no additional reflex. Just follow the contour of the wing?
Nov 10, 2012, 10:09 AM
Registered User
Double post
Nov 10, 2012, 12:17 PM
Registered User
Video of BigBirds Maiden Flight. Done a great job again with the video Phil, thanks. Includes bungee launch and the death spin "landings"...! http://m.youtube.com/#/watch?v=dyNuH...%3DdyNuHo-FNBE
Nov 10, 2012, 12:20 PM
Registered User
Quote:
Originally Posted by Coyote64
Sounds like you have your CG too far back and too much throws on your control surfaces.

Or just CG too far back
Thanks - ok will adjust throws (is 10-15mm a good starting point). CG to far back - you mean nose heavy?

Cheers
Nov 10, 2012, 12:23 PM
Registered User
brifa's Avatar
with the hitec servos on the ailerons i hear some jitterings (even with double ferrites)... why??
they are the hs225 mg


Quote:
Originally Posted by philthyy
Hitec servos are well proven. I trust them. As far as ESC, I would go with the Castle Creations ICE 75. Or a Kontronics ESC.
Nov 10, 2012, 12:42 PM
Registered User
Quote:
Originally Posted by VizBizTas
Thanks - ok will adjust throws (is 10-15mm a good starting point). CG to far back - you mean nose heavy?

Cheers
No, the nose is too light. It should balance right at the rear of the finger holes on the bottom of the plane.


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