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Jul 08, 2016, 04:05 PM
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The grand daddy of all of these must be the Allegro-lite, no?

Plans are here:
http://charlesriverrc.org/articles/a...egrolite2m.htm
Short kit:
http://www.mountainmodels.com/produc...roducts_id=188

The lite version was a built up version of the composite allegro 2m RES sailplane:
http://charlesriverrc.org/articles/a..._allegro2m.htm
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Jul 08, 2016, 04:06 PM
Registered User
slowmatch's Avatar
Thread OP
Quote:
Originally Posted by Cap_n_Dave
Jon:
Is this thread only for kitted designs?

The RES-Dart flying wing is pretty neat. Might be good to post a link to it here, if you're interested.

-Dave

PS: for a RES flying wing, is it necessary to use tip rudders, or is it OK to have Aileron, Elevator, Spoiler?
RES-Dart added Dave, thanks for the link.

The class rules permit a flying wing as long as it has only two controls (plus spoiler) ie aileron and elevator and elevons must be driven off a single servo each.
Last edited by slowmatch; Jul 08, 2016 at 04:50 PM.
Jul 08, 2016, 04:15 PM
Registered User
Quote:
Originally Posted by slowmatch
RES-Dart added Dave, thanks for the link.

The class rules permit a flying wing as long as it has only two controls (plus spoiler) ie aileron and elevator and ailerons must be driven off a single servo.
Jon:
Certainly, glad to see her included in the listing.

I've been wondering about servos for such a beast. I can easily envision 1 servo for each elevon.

I'm not sure about the spoiler actuation ... 1 servo for each spoiler (so a plane with 4 servos), or 1 servo with flex cables to each (a plane with 3 servos)?

Cheers-
Dave
Jul 08, 2016, 04:36 PM
Registered User
I have a question. I've heard the class is F3B-RES. Is it also named F3-RES? I think some might confuse it with F3B, so I like that someone has dropped the B.
Jul 08, 2016, 04:44 PM
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slowmatch's Avatar
Thread OP
Yes they've dropped the B:
https://translate.googleusercontent....07tqb6kzPNcbEg

(Added the Allegro Lite to the first post - thanks for the reminder)

Dave, as far as I know you can use twin spoiler servos but in a flying wing just one servo per elevon.

"Flying wings that are not controlled by surfaces on the fuselage or tail surfaces are allowed but only two surfaces are permitted each controlled by one Servo only."
Last edited by slowmatch; Jul 08, 2016 at 04:51 PM. Reason: Clarification!
Jul 08, 2016, 05:28 PM
supreme being of leisure
ZAGNUT's Avatar
the "relaxx 2.0" is also a neat design, maybe not really competitive but still relevant to this type of soaring.

for launch string i'm using 0.67mm 150lb. braided dyneema that's wax coated. way overkill but survives the shrubs, thorns, basalt rocks and wheat field stubble just fine. if it gets snagged i don't think twice about just giving it a hard yank, never a problem. no stretch at all compared to mono, don't know if that's good or bad with a hi-start but either way it works for me.
Jul 08, 2016, 09:58 PM
LJH
LJH
Moths do not fly inverted
LJH's Avatar
Quote:
Originally Posted by slowmatch
Wow! Swan's are the bees knees

I sail a Hunter Europa 19 foot cruiser racer. Bit of a different league but she's my baby and she gets around had a 3 week, 300 mile cruise with her last summer on the UK east coast, 2 up for a week but mostly singlehanded and including some night passages. I don't race her but I'm always racing her

Jon
Sweet, going up the east coast of the U.K. Is no joke. While I love my RC planes, my hot rodded Audi's and skiing really nothing is quite as fun/boring/scary as mucking about on sailboat.

Her is a picture of Houdini...she is old but she is ours.

Cheers
Jul 08, 2016, 10:06 PM
LJH
LJH
Moths do not fly inverted
LJH's Avatar
Quote:
Originally Posted by tomkelley
The grand daddy of all of these must be the Allegro-lite, no?

Plans are here:
http://charlesriverrc.org/articles/a...egrolite2m.htm
Short kit:
http://www.mountainmodels.com/produc...roducts_id=188

The lite version was a built up version of the composite allegro 2m RES sailplane:
http://charlesriverrc.org/articles/a..._allegro2m.htm
I would say so, I am flying a full house Windancer (Alegro Lite clone) with a 275 watt winch in the nose at 22oz. I bet you could build a RES AL pure glider at close to what these Euro planes are coming in at. Even at 22oz my Windancer is a pretty decent weapon.

Cheers,
Jim.
Jul 09, 2016, 09:54 AM
Registered User

F3-RES Resources


Can't see if you have this one;
Keep-RES-simple. http://www.prop.at/marktplatz/c1-flu...es-simple.html
Uses a solid balsa milled wing like that of MadRES.


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Jul 09, 2016, 11:17 AM
Registered User

2 meter res


Gentlemen

Have you forgotten the origional American 2 Meter, the Pierce Arrow. I think Ray Hayes still makes a kit.

http://www.skybench.com/index.html?h....com/home.html

JDK
Jul 09, 2016, 12:44 PM
supreme being of leisure
ZAGNUT's Avatar
Quote:
Originally Posted by big jer
Gentlemen

Have you forgotten the origional American 2 Meter, the Pierce Arrow. I think Ray Hayes still makes a kit.

http://www.skybench.com/index.html?h....com/home.html

JDK
definitely a 2M wood RES but that is about the only similarity to these newer designs. pretty much apples to oranges.
Jul 09, 2016, 03:17 PM
Registered User
Jim Deck's Avatar

Keep-RES-Simple


The Keep-RES-Simple reminds me of my first sailplane of many, many years ago - The Doodler kitted by Dave Thornburg used an all balsa wing with a Jedelsky airfoil. It flew pretty well but I later replaced the wing with a polyhedral wing from a Midwest Little T and it flew even better.
Jul 09, 2016, 07:35 PM
Registered User
I am curious about the airfoil used in these solid balsa wings - they look like about 6mm thick?? It's kind of like a giant chucky not to mention how incredibly light they can get.


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Jul 10, 2016, 02:13 AM
Registered User
slowmatch's Avatar
Thread OP
Thanks SS7, I'd heard of Keep-RES-Simple but did know it was kitted, thanks - I've added it.


Quote:
Originally Posted by big jer
Gentlemen

Have you forgotten the origional American 2 Meter, the Pierce Arrow. I think Ray Hayes still makes a kit.

http://www.skybench.com/index.html?h....com/home.html

JDK
Thanks JDK, I'm keeping it to the new generation of models that meet the F3-RES rules for now but I might start adding a list of traditional 2m designs.
Jul 10, 2016, 11:24 AM
Registered User
Quote:
Originally Posted by LJH
Sweet, going up the east coast of the U.K. Is no joke. While I love my RC planes, my hot rodded Audi's and skiing really nothing is quite as fun/boring/scary as mucking about on sailboat.

Her is a picture of Houdini...she is old but she is ours.

Cheers
Express 34?

Looks nice.

Cheers,

Steve


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