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Old Sep 27, 2012, 11:48 AM
never mind the boll⁣⁣⁣ocks
brosius85's Avatar
Australia, NSW
Joined Dec 2010
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yeah once you are good on ailerons you could go to a ZII.
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Old Sep 27, 2012, 11:57 AM
Something Something RC
rlc2052's Avatar
United States, PA, Philadelphia
Joined Nov 2010
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It might be nice for someone who owns a ZII to start up a ZII thread in the Flying Wing Forum. There is a big difference in-between the original Zephyrs and the ZII.

I would hate for all of the great info on the original Zephyrs to get mixed in and buried.
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Old Sep 27, 2012, 03:36 PM
Married with planes
Belgium
Joined Aug 2004
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Quote:
Originally Posted by brosius85 View Post
yeah once you are good on ailerons you could go to a ZII.
Currently my easystar2 doesn't have ailerons. But i will add them soon. On a simulator(Phoenix4) i actually prefer to fly with ailerons and doing pretty well.

What would be a good motor and propellor for a beginner ? Or could i work with expo and dual/rates ?
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Old Sep 27, 2012, 04:21 PM
Kiwi in Australia
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Australia, NSW, Carlingford
Joined Mar 2012
245 Posts
Hi Dennis.

I'm not sure how keen you are with building stuff but I'd take a look at the Divinity II foamboard build and get current on something pretty basic like that. It'll give you the opportunity to have a play with the electronics setup, help to understand rigging your motor and props, trimming out a flying wing and in general you'll get a really good feel for what a wing feels like to blat around with. It would also mean that your nice new ZII can be saved from those initial dings whilst learning. I'm not sure what foamboard availability is like in Belgium though.

Steve
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Old Sep 27, 2012, 06:54 PM
never mind the boll⁣⁣⁣ocks
brosius85's Avatar
Australia, NSW
Joined Dec 2010
1,256 Posts
Quote:
Originally Posted by rlc2052 View Post
It might be nice for someone who owns a ZII to start up a ZII thread in the Flying Wing Forum. There is a big difference in-between the original Zephyrs and the ZII.

I would hate for all of the great info on the original Zephyrs to get mixed in and buried.
like this? http://www.rcgroups.com/forums/showthread.php?t=1525741
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Old Sep 28, 2012, 11:41 PM
Change is good...
Connecticut
Joined Mar 2008
802 Posts
I love my ZII.. building my second one now..
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Old Sep 29, 2012, 12:14 AM
Something Something RC
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United States, PA, Philadelphia
Joined Nov 2010
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Quote:
Originally Posted by brosius85 View Post
Yeah...

Thanks for all of your launch vids brosius. Heading out to Vally Forge tomorrow for the maiden. It will be my first time launching over head. Should be exciting!!

Rob
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Old Sep 30, 2012, 11:57 AM
Something Something RC
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United States, PA, Philadelphia
Joined Nov 2010
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Launched her yesterday. The launch went perfect. It took a little while to trim her in, but got it to fly nice and strait. The landing ending in a beautiful tip stall. It slammed into the ground with a large thud and a nice bounce. Luckily there was just minor cosmetic damage. Nothing serious. Second flight went much better with a perfect landing. I am ordering the 3s tomorrow to bring this sucker up to 5s 5000. I need more speed

Thanks for all of the help guys!!
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Old Sep 30, 2012, 01:59 PM
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any tricks on trimming these wings, ill be doing so in the next few days with my maiden
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Old Oct 01, 2012, 06:23 AM
never mind the boll⁣⁣⁣ocks
brosius85's Avatar
Australia, NSW
Joined Dec 2010
1,256 Posts
if you want to go faster than about 100mph bro get a demon.

you will enjoy the ZII most for smooth flying, if you try to make it into a drag racer it will be a bit of a waste. they have a flutter bang tendency around 120mph.

smooth low flying is the ZII's forté , demons are for the 120 - 200mph bracket


to trim the wing just get the elevons level with the top of the wing + a little up.
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Old Oct 01, 2012, 09:27 AM
Something Something RC
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United States, PA, Philadelphia
Joined Nov 2010
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Pics of the Launch & Video of flight.

40" Demon Maiden (0 min 55 sec)
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Old Oct 01, 2012, 08:21 PM
never mind the boll⁣⁣⁣ocks
brosius85's Avatar
Australia, NSW
Joined Dec 2010
1,256 Posts
looks like you are pretty comfortable with it

i hate flying the demon with a heap of clouds around. it can make it hard to see where it is :O

when not flying FPV of course
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Old Oct 02, 2012, 10:07 AM
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United States, FL, Miami
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ZII low and high (2 min 54 sec)
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Old Oct 03, 2012, 05:32 PM
Molon Labe
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United States, CA, San Luis Obispo
Joined Feb 2008
644 Posts
So I'm about to start my first D40 build and I'm looking at batteries.

Trying to decide between 4.0, 4.5, and 5.0 amp hour packs (all 45c).

Any thoughts on which to go with?

I like the idea of the 5.0's because they will give potentially longer flights, better discharge rates, and should require less lead for proper CG (compared to the 4.0's, the 4.5's are about 1oz heavier, and the 5.0's are about 3oz heavier.)

The thickness of the 4.0, 4.5, and 5.0 amp hour batteries are 23mm, 25mm, and 28mm respectively or, .90", .98", and 1.1" respectively. I would guess that 1.1" is not that big of a deal with the thickness of the D40 but i could be wrong.

Any comments or suggestions much appreciated.

Also, if it's worth mentioning, I am going to be running a Rocket 28-56-1900 and the gold standard ICE100. Not sure of props at this time--I don't like the exploding 6x4's though...
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Old Oct 03, 2012, 07:09 PM
never mind the boll⁣⁣⁣ocks
brosius85's Avatar
Australia, NSW
Joined Dec 2010
1,256 Posts
25mm is going to be a tight squeeze bro. 28mm batts will require a very thin lid thinner than the 2mm coro we normally use. Peter M used some thick batts, follow his to get the maximum thickness.

im using a pair of 2s 5000's and they are 18mm thick, i would not want them much thicker at all bro.

with a demon i would always go for the biggest batts possible as you are always gonna need to add lead at the end anyway. mine took over 10 oz and it only runs a little 16/25/2.
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