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Old Feb 16, 2013, 04:21 AM
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Quote:
Originally Posted by kevinlib View Post
How did he make the hinge? I couldn't find a online seller on his page.
http://www.youtube.com/watch?v=FcvGP...&kw=foam%20tac
I did the same thing with household Goop from hardware on my storm chaser and it work very well . Seen it done with hot glue as well but that will go bad in cold weather .
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Old Feb 16, 2013, 07:27 AM
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BravoGolf's Avatar
United States, CO, Aspen
Joined Oct 2010
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Beacon foam tac

Quote:
Originally Posted by tree topper View Post
Where do you get Beacon foam tack ? New to me thanks Bob
I usually get mine from rcfoam.com

For the record, while Beacon Foam Tac can be used for hinges, I prefer Goop if I'm going to use this method for hinges.

For gluing foam....nothing but Beacon Foam Tac.

BG
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Old Feb 16, 2013, 12:15 PM
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United States, FL, Miami
Joined Oct 2012
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hmm thick ca it is. is everybody using the stock control horns and linckages ? or upgrading to something stronger ?
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Old Feb 16, 2013, 12:21 PM
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Joined Oct 2012
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wich one ?

Super-Gold+ Gap Filling Odorless Foam Safe CA - 2 oz

or



Maxi-Cure Thick CA - 2 oz
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Old Feb 16, 2013, 01:31 PM
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Daemon's Avatar
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Joined Aug 2002
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Doesn't need foam safe CA. Probably wouldn't even work right.
I use ZAP brand Thick CA + ZAP brand Zip Kicker.

Sand all mating surfaces. Spray a little accelerator on one side, and then
let it evap for a few minutes. Apply thick CA to the other side, and press together.

ian
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Old Feb 16, 2013, 06:52 PM
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Matt Gunn's Avatar
United States, OH, Parma
Joined Jul 2009
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Ive been reading a bit of the thread, but instead of cruising through all 90+ pages, im hoping you guys can answer a few questions for me.

Im building a photomapping plane with an ardupilot mega. My only requirement so far is using a 4s 5000 since i have spares from my Z2 wing. Im kinda torn between using my fenwing penguin, the skywalker carbon tail, or the skyhunter.

How well does the SH fly? Any notable bad flight habits? My previous skywalkers ( one 1680 and one 1900) both had decent flight times on a 3s 5000, were relatively stable in flight, and didnt land super fast thanks to the relatively efficient airfoils and low weight. How does the Skyhunter fly?

Thanks in advance,
Matt
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Old Feb 16, 2013, 06:59 PM
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I have followed the thread from the beginning and as far as I have read, the Skyhunter flies well but isn't as good a glider as the Skywalker 1900. I'm also torn between Skyhunter and Skywalker1900, especially as they cost the same now at BEVRC. But as I am also wanna build a UAV with focus on long endurance, I'm probably going for the Skywalker - or an X8 .
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Old Feb 16, 2013, 07:24 PM
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without derailing the thread, you'll love the 1900... I can launch it with as much force as you pitch a paper ball into a waste basket. It really lifts and is efficient.

With regards to the Skyhunter, I guess the glide isnt as important with this photomapping rig as compared to a full FPV rig that wants to hang around and enjoy the view. But I hope it's not a pig!
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Old Feb 16, 2013, 07:56 PM
Dreamer
Australia, TAS, Memana
Joined Aug 2004
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Please correct me if I am wrong, but I see all this discussion of various airframes and I look at the advertising blurb, but very rarely is there mention of the wing sections that these models use. Not to be to pedantic, but there is a huge difference between the way a fully symmetrical wing flies, compared to a flat bottom, compared to a heavy undercamber section.
As an example, the 1900 skywalker is heavily undercamber, and as such will fly very slowly, generate lots of lift, will carry heavy loads (ala. thermal soaring glider type wing)... BUT ... very poor for aerobatics, very inefficient and will not be happy flying at high speed. It does though have a semi symmetrical leading edge on the undersurface of the wing ??

Maybe someone could elaborate a bit more? What sort of wing does the SH use??

Mark
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Old Feb 16, 2013, 09:17 PM
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Quote:
Originally Posted by kaz1104 View Post
Please correct me if I am wrong, but I see all this discussion of various airframes and I look at the advertising blurb, but very rarely is there mention of the wing sections that these models use. Not to be to pedantic, but there is a huge difference between the way a fully symmetrical wing flies, compared to a flat bottom, compared to a heavy undercamber section.
As an example, the 1900 skywalker is heavily undercamber, and as such will fly very slowly, generate lots of lift, will carry heavy loads (ala. thermal soaring glider type wing)... BUT ... very poor for aerobatics, very inefficient and will not be happy flying at high speed. It does though have a semi symmetrical leading edge on the undersurface of the wing ??

Maybe someone could elaborate a bit more? What sort of wing does the SH use??

Mark
You're right, the airfoil matters quite a lot.
However, we don't really know what airfoil any of these planes use. They're all
either flat or close to flat bottomed, generally high lift airfoils. Some a bit
faster than others. Whatever the Skyhunter uses, it's reasonably quick and not
totally hopeless flying inverted, as I've demonstrated in my vids.

webdr,
I've posted numerous SH vids on YT demonstrating all aspects of its performance,
including some soaring. What specifically are you looking for?
http://www.youtube.com/my_videos?sq=skyhunter

ian
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Old Feb 16, 2013, 09:46 PM
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Ill check out your vids first. Thanks!
Matt
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Old Feb 18, 2013, 10:40 AM
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Quote:
Originally Posted by OzparkPilot View Post
Off to my LHS to buy some more extention cables lol...
You could easily make your own. Since flying FPV, I've ordered the crimpers, wire and connectors and make my own extensions. Fewer connections and you can buy already twisted wire so less interference. Its pretty easy to do after some practice.
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Old Feb 18, 2013, 10:52 AM
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homemade cables

Quote:
Originally Posted by carguy1994ca View Post
You could easily make your own. Since flying FPV, I've ordered the crimpers, wire and connectors and make my own extensions. Fewer connections and you can buy already twisted wire so less interference. Its pretty easy to do after some practice.

+1 on this

will try to post links later, as I'm out the door....

I picked up 50' of servo cable from servo city, crimpers and all kinds of connectors from HobbyKing.

Not only can you make your own servo cables the precise length you need but these tool come in very handy for making wiring harnesses (looms) for your onboard video equipment.

BG
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Old Feb 18, 2013, 10:59 AM
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Yea, and you can connect ailerons and flaps servos all at the same time using connectors with 6 wires, or GPS with 4 wires. Opens up a lot of possibilities.
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Old Feb 20, 2013, 06:05 AM
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Joined Apr 2011
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Torn between getting the skywalker 2013 and skyhunter. Are the tail booms detachable from the elevator and fuselage?
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