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Old Feb 04, 2013, 12:02 PM
Registered User
Joined Sep 2012
3 Posts
@Prop-er: my next plane will be... The Pond Racer! I'll follow you in the other thread!!!
Thank you all for the nice comments about my DD!
Yesterday I went to the field and it was very windy. Between 15 and 20 Kts!
The bird flew very well but not so easy to manage.
Anyway a great plane indeed.
Here's another pic from the field.
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Old Feb 04, 2013, 12:07 PM
Registered User
Joined Sep 2012
3 Posts
Quote:
Originally Posted by Nathan Schmoekel View Post
For some reason I can only post one pic per post from my iPad....
Here is a rear view. I located the outlet forward of the control surfaces... The response at low speed is nothing short of incredible!
Very interesting ducted version!
From the IPad, in order to post more than one pic, choose the first and upload it than choose the second one and upload it etc...at the end save changes and submit the post.
Dani
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Old Feb 25, 2013, 01:23 PM
ground penetration specialist
Nathan Schmoekel's Avatar
USA, MI, Grand Rapids
Joined Apr 2007
1,819 Posts
Well, the micro edf version did alright! Due to the battery being quite heavy I found that having it mounted to the side of the fuse was not on center enough, so for the test flights I just stuck it to the top....which also had some downsides

Overall I discovered that the edf was more than enough power. Take off below half throttle, level flight at 1/4! Full throttle was only attempted twice , inside the one basketball court sized gymnasium that was pretty exciting!

As walls were hit and rough landings had, the 2mm depron foam wings deteriorated pretty quickly, but I had a ball flying it and will likely construct a second with better battery placement, and some wing re-enforcements.
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Last edited by Nathan Schmoekel; Feb 25, 2013 at 02:09 PM.
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Old Dec 13, 2013, 12:08 AM
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tanner331's Avatar
Kenai ,Alaska
Joined Aug 2010
108 Posts
Here is a duplex delta 20 I built. I have flown it a few times and it flies great.
I use an cobra 2204/58 1080 KV motor that puts out 80 watts with a 3 cell battery and I use an APC 7 x 5 prop.
I have made a few modifications to the design. The biggest is that the sides are made of 3mm depron and there is a 6mm piece in the middle of the tail so it is the correct width. There are also 3mm pieced to double up the sides at the former. The sides at the nose are separate pieces and they are made of 6mm depron.

Tanner
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Last edited by tanner331; Dec 13, 2013 at 12:22 PM. Reason: fixed spelling errors
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Old Dec 13, 2013, 04:23 AM
Launchpad McQuack
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Netherlands, Moordrecht
Joined Sep 2004
1,130 Posts
Thanks for your pictures, and what a nice paint scheme!
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Old May 27, 2014, 11:00 AM
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tanner331's Avatar
Kenai ,Alaska
Joined Aug 2010
108 Posts
Hi
I recently crashed my first duplex delta.
I decided to build a new one with a few modifications.
The biggest modification was I added a rudder to the plane.
The second modification was that I made the elevons 2 inches thick instead of the original 1 inch.
And the final modification was I moved the forward wing mounting locaton forward and made the front piece of the wing hinged so I can use the front part of the top wing as a battery hatch and not have to remove the entire wing to change batteries.
Tanner
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Old May 27, 2014, 12:25 PM
Launchpad McQuack
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Netherlands, Moordrecht
Joined Sep 2004
1,130 Posts
Nice work, Tanner!

I like the special paint

Thought the elevons where quite sensitive already, especially the elevator function. Plz let us know your experience with the increased elevons chord!
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