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Old Jan 16, 2013, 09:35 PM
Slopedaddy is offline
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Mamba balance idea


Jonathan
Shadow, who is a very conscientious builder, balances his wings by hanging them on a piece of fishing line. He pulls a needle through the middle at the desired point and hangs it from a garage rafter. Then you can work on it while its hanging securely.
I don't know about anybody else, but I think it's a brilliant idea.
By the way, mine flies great in big lift and so, so, in light lift. As per Jordan, I'm moving my cg back, too.
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Old Jan 16, 2013, 09:35 PM
kpeevyhouse is offline
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Sane til the lift starts!
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Quote:
Originally Posted by sazfone View Post
I think your talking about Alta Laguna Park. I wondered about that place near the ball field and its good to hear it can be done there. Chuck
Actually, I think the backside of TOW he's referring to might mean that really tiny bowl behind the last house. At the normal TOW spot, you can see that fire road. If you walk down that road, just past the last house, you'll see on the left a tiny bowl that faces Northeast (?). Lars says that it's flyable if the wind hits it just right. Lars would have to chime in if I'm wrong.
Old Jan 16, 2013, 10:29 PM
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Keith


Keith, that sounds good, too. He mentioned "go north", and "over the fence by the softball field" and Alta Laguna has all that, AND a restroom, so I might go there first just to make sure
Last edited by Slopedaddy; Jan 16, 2013 at 10:42 PM.
Old Jan 16, 2013, 10:45 PM
tctnln is offline
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TommyT
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Quote:
Originally Posted by kpeevyhouse View Post
Actually, I think the backside of TOW he's referring to might mean that really tiny bowl behind the last house. At the normal TOW spot, you can see that fire road. If you walk down that road, just past the last house, you'll see on the left a tiny bowl that faces Northeast (?). Lars says that it's flyable if the wind hits it just right. Lars would have to chime in if I'm wrong.
No no no...lol I'm talking about the other end... North side of tow, where the softball field is at (the park).
Is this my buddy Kieth? Add me, you know me TommyT... btw just checked on the map and its more north north north 10* facing
Last edited by tctnln; Jan 16, 2013 at 10:59 PM.
Old Jan 16, 2013, 11:48 PM
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It's not going to build itself
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Quote:
Originally Posted by sazfone View Post
Jonathan
Shadow, who is a very conscientious builder, balances his wings by hanging them on a piece of fishing line. He pulls a needle through the middle at the desired point and hangs it from a garage rafter. Then you can work on it while its hanging securely.
I don't know about anybody else, but I think it's a brilliant idea.
By the way, mine flies great in big lift and so, so, in light lift. As per Jordan, I'm moving my cg back, too.
There was a model that called for balancing in that manner. The "centroid" (I think) was measured and then a screw eye was threaded into that spot. Then you balanced it front to back and laterally too. May have been the "Gryphon" or something like that.
Tom
Last edited by TRISME; Jan 16, 2013 at 11:59 PM.
Old Jan 17, 2013, 12:03 AM
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It's not going to build itself
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I think it was one of these, or it's predecessor.
Last edited by TRISME; Jan 31, 2013 at 12:15 AM.
Old Jan 17, 2013, 12:05 AM
Mr. Combat Certain is offline
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EPP Extrordinare
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Johnathan, ALL wings with sweepback (except planks and forward-swept wings) become unstable at or close to stall speed, and wobble to some degree (this isn't talking about just flying wings). The Mamba was designed with versatility in mind, and is as resistant to tip-stalls as possible. Even so, a wing can only fly so slow. Ive tried little tip winglets just for the heck of it, and it really made no difference. If your in the area this weekend and there's wind we will tune it right. It still sounds nose-heavy since it should only need a small amount of down stick to fly inverted.
Old Jan 17, 2013, 12:11 AM
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Fluffy Bunny


Jordan, did you do a Fluffy Bunny build thread? Thought you might have but I can't find it
If you have one, please shoot me a link. My shop is warm now. Time to build
Old Jan 17, 2013, 12:25 AM
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Had to measure mine. It's a little more than 6 1/2" from the nose and it flys well inverted with a little down elev. It always has a little up trim in the elevons. I may move it back more now. I don't have a scale that will weigh it.
Tom
Old Jan 17, 2013, 11:26 AM
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What goes up, must come down..
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PicaSim


Anybody else given PicaSim, the rewrite of Slope Soaring Simulator (SSS), a try? Now has a very usable UI and seems pretty good. Actually flyable on an Android phone and/or iPad using tilt control, but way way better on the PC with a sim cable and real Tx.

I haven't gotten the hang of real DSing down yet and wondering if the physics are at all realistic...

PicaSim - Flight simulator for radio controlled aircraft (5 min 30 sec)


Jay
Last edited by ZeroPitch; Jan 17, 2013 at 11:55 AM.
Old Jan 17, 2013, 12:44 PM
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Silent Flight
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My high tech balancing act


So I shifted the CG back a 1/4" to 6.75" and was able to shave off 0.75oz for an AUW of 674g/23.75oz. Skeptical on if I will be able to fly it or not today as we have the Halfass Ana's blowing today. Thinking about hitting up the Old Quarry near the Torrance Airport at PCH and Hawthorne but forecasts are only predicting a miserly 4mph NNE.

-Jonathan
Old Jan 17, 2013, 12:54 PM
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Putting PicaSim on my phone now.
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Old Jan 17, 2013, 12:59 PM
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Registered User
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Question

Once the spackling is sanded and ready for tape, what is the best way to remove any residue from the spackle
Old Jan 17, 2013, 01:22 PM
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PicaSim on the phone is fun with a little practice.. Going to the bathroom will be my new flying time. Use the virtual sticks, then pick a better plane, add some ballast, pick up the wind and enjoy!

-Wayne
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Old Jan 17, 2013, 01:56 PM
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New member/flyer: controller issues


Heyyy everyone!

My name is Alex I have been flying off and on since i was fourteen. I am a local to the San Diego region on land and in the water. I decided to go "all in" on the hobby, buying a new Optic 6 controller and Matin's M60 from NCFM website. I recently came across some receiver controller issues....

When i turn on the plane the receiver's LED glows red, good, i then turn on the controller, its LED glows red and then beeps 4 times indicating the link was successful. But then the controller's blue LED glows solid on and the red LED starts to flicker.

I hope someone can shed some light on this problem, i would love to get back to flying this awesome plane. Attached are some photos.


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