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Old May 20, 2012, 10:58 AM
Registered User
Vienna, Austria
Joined May 2010
185 Posts
Video
Biplane PITTS-EPP from Hobbyking

To stiffen the wings I replaced the gf-rods by cf-ones and I took one D05010MG (5.7g) metal-gear-servo for each aileron.
(http://www.hobbyking.com/hobbyking/s...dProduct=10965).

Here's a short video of the maiden which was a little
bit disturbed by one jitering aileron:

Maiden flight of Hobbykings Pitts-EPP in Viennas Donaupark (8th of may 2012).

Pitts-EPP (Hobbyking): Maiden flight with one jittering aileron (1 min 48 sec)

Filmed with the HD-KeyChainCam 808 #11 fixed to a headband.

Wind was around 10km/h.
One of the top wings aileron wasn't well joint to the lower wings aileron
leading to some unpredictable turnings around the long axis.
Motor: 2212 1400kV Brushless outrunner (stock)
TURNIGY Basic 18A v3.1 Speed Controller
Propeller: 9x5 (GWS-DD-9050)
Battery: 3s-1000mAh (25C) Lipo
Tx: Spektrum Dx6i
I used, contrary to the one-servo configuration suggested in the construction
manual, two 5,7g metal-gear-servos (D05010MG from Hobbyking) for the ailerons.

With the experience of some flights I moved the CG to 10mm behind the leading edge of the lower wing. This could be achieved by using two 3s1p-1000mAh (25C) Lipos - 83g each. AUW is now 569g.
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Old May 30, 2012, 02:45 AM
Searching Field
DOCFIGHT's Avatar
Joined Oct 2011
64 Posts
Hi guy,
If you want to see this Pitts in action,watch our 4th Episode of our Spring Adventures - Slow fly with Biplanes :

http://www.matterhorns.org/pages/vid...dventures.html

Have Fun & Fly. Over.

www.matterhorns.ch
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Old Oct 20, 2012, 06:15 PM
Registered User
Vienna, Austria
Joined May 2010
185 Posts
fun in the park

Pitts-EPP from Hobbyking 1/2 (6 min 39 sec)
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Old Oct 20, 2012, 06:16 PM
Registered User
Vienna, Austria
Joined May 2010
185 Posts
Pitts-EPP from Hobbyking 2/2 (5 min 29 sec)
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Old Oct 21, 2012, 06:42 AM
looking up down under
scruffy1's Avatar
Australia, NSW, Fairlight
Joined Feb 2008
1,303 Posts
nice work manfred

now come over to my build thread and help me out with the details please
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