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This thread is privately moderated by Alex Schauer, who may elect to delete unwanted replies.
Sep 08, 2012, 06:23 PM
Registered User
Nice catch. I saw more than that the other day but nothing in. Damn you fish!
Sep 08, 2012, 06:25 PM
Wake up, feel pulse, be happy!
Piece's Avatar
Airfoils can be pretty much anything you want; the exact shape and ratios will depend on the type of flying you want out of it. For example, an aerobatic plane will generally be best with a relatively thick, fully symmetrical airfoil, while a plane built for straight-line speed is best off with a very thin semi-symmetrical foil.

The dirty little secret is that unless you're looking to seriously optimize performance, the airfoil section you use isn't insanely critical. As long as it peaks at around 28-33% back from the LE and "looks right", it should work fine.

There are a number of proven airfoil sections out there that you could make templates from, too.
Sep 08, 2012, 06:30 PM
Registered User
Well i found a thread on 3d airofils and they reckon 8-10% thickness. Ill draw a couple ip tonight and see how the turn out. The school has a laser printer which ive gotten permission to use so a kit might be what it ends up being.
Sep 08, 2012, 07:44 PM
PA Team Pilot
mtwargo's Avatar
Quote:
Originally Posted by RCSwitz18 View Post
Hey guys!!!!!!!

WHAT IS UP? I just got a new plane, the Techone Yak54.
Wingspan is about 45inches

ANYWAYS...... I love the way it flies, and saw this magical plane:
http://www.hobbyking.com/hobbyking/s...dProduct=20111

Yeah...... so I wanted to know how it would fly in comparison to the 54.

What do you guys think?!
I flew this plane in a couple of videos for Hobbyking ... It is amazing... Anyone would love it. here's one

HobbyKing 3D - Yak 55 EPP 3D flown by Michael Wargo (4 min 48 sec)

Michael
Sep 08, 2012, 08:35 PM
Obeying the law of gravity
Jeremy Kamutzki's Avatar
Think I'll go with the 120 sr and ask for it for Christmas because I've been buying alot of stuff lately
Sep 08, 2012, 09:05 PM
3D, 1D at a time!
Park_aviator's Avatar
Quote:
Originally Posted by Jeremy Kamutzki View Post
Think I'll go with the 120 sr and ask for it for Christmas because I've been buying alot of stuff lately
My vote : McpX...

You can tone it down for learing then go crazy
Sep 08, 2012, 09:14 PM
Obeying the law of gravity
Jeremy Kamutzki's Avatar
Quote:
Originally Posted by Park_aviator View Post
My vote : McpX...

You can tone it down for learing then go crazy
But it's smaller, right? This is going to be strictly gym/ outdoors (mostly outdoors at small parks and in my street) so it has to be big enough to see.
Sep 08, 2012, 09:19 PM
DJO
DJO
"Yo, that's a thermal"
DJO's Avatar
Haha its not THAT small!
Sep 08, 2012, 09:25 PM
Obeying the law of gravity
Jeremy Kamutzki's Avatar
Quote:
Originally Posted by DJO View Post
Haha its not THAT small!
You can still see it okay from 50m away?
Sep 08, 2012, 09:28 PM
3D, 1D at a time!
Park_aviator's Avatar
Quote:
Originally Posted by Jeremy Kamutzki View Post
You can still see it okay from 50m away?
Well, How good's your eyesight?
Sep 08, 2012, 09:36 PM
DJO
DJO
"Yo, that's a thermal"
DJO's Avatar
Dude you won't see a 120SR 50m away...
Sep 08, 2012, 09:37 PM
Obeying the law of gravity
Jeremy Kamutzki's Avatar
how big is it? 10 inches rotor diameter? And the 120sr is 12"?
Sep 08, 2012, 09:38 PM
DJO
DJO
"Yo, that's a thermal"
DJO's Avatar
Yeah, something like that
Sep 08, 2012, 09:39 PM
Obeying the law of gravity
Jeremy Kamutzki's Avatar
Ok. Yeah, I guess 50m is kinda far
Sep 08, 2012, 09:41 PM
DJO
DJO
"Yo, that's a thermal"
DJO's Avatar
Not like planes.. you don't have wings to go by


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