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Old Sep 24, 2012, 06:26 PM
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Thank you CF.
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Old Sep 24, 2012, 06:40 PM
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No problemo
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Old Sep 24, 2012, 07:12 PM
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Most racing wings are thin in section and slender (thin) in chord, it lowers drag and helps them go faster, an easy formula, to go slower, go the other direction.

Trainers have big wings, wide wing span, deep in chord (measured from leading edge to trailing edge) and almost always thick wings. Increasing the wing span and deepening the chord (increasing the distance from the leading edge to the trailing edge) lowers the wing loading, and increases the drag, thickening the airfoil also increases lift and drag, both desirable properties in that situation.

Increasing the wing span also has the benefit of making the plane less responsive on the roll (longitudinal) axis, another desirable trait for a trainer.
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Old Sep 25, 2012, 04:49 PM
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Some announcements on the new design:
It will have a 6" wing cord,
90" wing span
and 30" fuse.
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Old Sep 25, 2012, 06:53 PM
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Noob with 1185mm wingspan

Built a noob with an 1185mm wingspan. Using an old 800kv motor with 10x5 prop. It's underpowered but floats around nicely.

Maiden of modified Noob with wingspan of 1185mm (3 min 28 sec)
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Old Sep 25, 2012, 07:25 PM
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That's a great looking plane there RCNewbie! Nice flying!
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Old Sep 25, 2012, 07:42 PM
Fan of experimetalairlines
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That's a great looking plane there RCNewbie! Nice flying!
Thanks CF, it's a very gentle and stable flyer at the moment. I'm waiting on a 2200kv motor from Hobbyking, it should make the plane a little more exciting!
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Old Sep 25, 2012, 08:03 PM
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I've had great success with their foamcore boards. I've attached photos of my twin engine creation which I built and maidened last week, had a lot of trouble getting the paper off. Despite the problems with the paper the plane came together nicely and flies beautifully. Sort of flies like a scale twin engined WWII bomber.
Here is a flight video of my twin engined 'bomber'.

Armin wing twin motor homebuilt foam plane. (1 min 55 sec)
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Old Sep 25, 2012, 08:19 PM
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jeez, those wings look like they are really bending! Is there a spare in there?
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Old Sep 25, 2012, 08:23 PM
Fan of experimetalairlines
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jeez, those wings look like they are really bending! Is there a spare in there?
It has a bamboo spar with dihedral, maybe that's why it looks like it's bending? Wing is actually quite rigid.
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Old Sep 25, 2012, 08:51 PM
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oh ok. In the video it looks like the wings are about to snap on some of those passes!
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Old Sep 25, 2012, 11:19 PM
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Originally Posted by rcnewbieoz View Post
Built a noob with an 1185mm wingspan. Using an old 800kv motor with 10x5 prop. It's underpowered but floats around nicely.

https://vimeo.com/50178590
Just curious, that looks like an athletic field, lots of lighting, longer than an American football field, just curious what kind of athletic field it is? Soccer? Polo?
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Old Sep 25, 2012, 11:41 PM
Fan of experimetalairlines
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Used for "Australian Rules" football in winter and 4 X Baseball fields in summer
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Old Sep 26, 2012, 03:51 AM
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Originally Posted by rcnewbieoz View Post
Built a noob with an 1185mm wingspan. Using an old 800kv motor with 10x5 prop. It's underpowered but floats around nicely.

https://vimeo.com/50178590
Nice plane, nice flying !
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Old Sep 26, 2012, 10:59 AM
Ed @ Experimental Airlines
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Originally Posted by rcnewbieoz View Post
Here is a flight video of my twin engined 'bomber'.

https://vimeo.com/50182495
That's great man! I do love twins. Let me know if you want to try getting you some Readi-Board. I believe I found a way to get a box of 50 sheets shipped from LA for under US$100, and the boards would be $55. If you're interested we would just need to explore the details and to find someone who lives in LA to go to Dollar Tree in Torrance, CA, buy the box, and drive it 4 miles to the shipping place.
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