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05-11-2018 05:15 AM  7 months agoPost 1
Gearhead

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OK, this link is working, go to this guy's YouTube Channel and see all the 3D Print planes

Watch at YouTube

Jim
Buzz Buzz Buzz

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05-11-2018 04:11 PM  7 months agoPost 2
Dan Minick

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Columbus, WI

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It seems to me you would want some sort of joint between all of those pieces other than a straight butt joint. Or at least a carbon tube or rod. There are a lot of forces put on an air frame in flight, I wouldn't trust a bottle of CA alone to hold my rig together

Team Synergy, Team FBL Rotors-------if its not broke...it will be!

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05-11-2018 05:27 PM  7 months agoPost 3
RM3

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Killeen, Texas - USA

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3D printing has come a long way... but still has a ways to go. I agree, wings are subjected to alot of stress, especially at the joint to the fuselage. Maybe he does plan on using some sort of primary member like a CF tube.

There are new printers using CF composite though. but still, the parts are glued together and they often fail at those points.

showing a preference will only get you into trouble, 90% of everything is crap...

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05-11-2018 05:59 PM  7 months agoPost 4
Pistol Pete

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Seffner, FL

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Finger joints, one of the strongest joints when joining wood. I don't see why it would be any different in plastic when the chemical reaction of CA actually melts-mends them together.

Only downside I see is the weight by comparison to other materials but becomes moot given the raw power of electrics.

3D printing...a great progress in the grand scheme of things.

~~Enjoying the hobby one flight at a time~~

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05-11-2018 08:20 PM  7 months agoPost 5
Gearhead

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ever heard a wing blow up, my friend had one blow up on a 96"er, it sounded like a shot gun going off

Jim
Buzz Buzz Buzz

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05-11-2018 09:02 PM  7 months agoPost 6
GyroFreak

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Orlando Florida ...28N 81W

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Gearhead
ever heard a wing blow up, my friend had one blow up on a 96"er, it sounded like a shot gun going off
No, I still don't know what that is, please elaborate.

I think about the hereafter. I go somewhere to get something, then wonder what I'm here after ?

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05-11-2018 10:17 PM  7 months agoPost 7
Dan Minick

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Columbus, WI

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Finger joints
I agree the finger joints are strong, but I only seen them used in one spot on each side of the wing out of how many joints?

Team Synergy, Team FBL Rotors-------if its not broke...it will be!

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05-11-2018 11:03 PM  7 months agoPost 8
Pistol Pete

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Seffner, FL

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Dan Minick
I agree the finger joints are strong, but I only seen them used in one spot on each side of the wing out of how many joints?
No clue but hopefully where mainly needed. I would'nt be doing snap rolls with such scale model anyways.

https://3dlabprint.com/shop/vought-f4u-corsair/

Both the wing and fuselage features extensive hitech 3d structural reinforcement, making the model very rigid, yet maintaining lightweight airframe and exact airfoil, even it is made only from plastic.

There's a video of it flying....fwiw.

~~Enjoying the hobby one flight at a time~~

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05-12-2018 04:11 AM  7 months agoPost 9
Gearhead

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GyroFreak

really, the wing just blew apart, as I remember it was a Sukhoi, the guy read if the plane did a certain maneuver the wing would just blow apart, well he really didn't care much for the way the plane flew, and he had it some 4 years and was ready for a new plane so he did the maneuver and sure enough the wing just blew apart pow

Jim
Buzz Buzz Buzz

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05-12-2018 04:21 AM  7 months agoPost 10
Gearhead

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GyroFreak,
I am sure this is the plane, the covering is correct

http://www.hangar-9.com/Products/De...?ProdId=HAN1275

Jim
Buzz Buzz Buzz

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05-12-2018 04:41 AM  7 months agoPost 11
Gearhead

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GyroFreak, ,
if you click on my link and scroll down to Post #83/page 4, you will see that the plane did have a problem with it's wing blowing apart

http://www.rcuniverse.com/forum/gia...-sukhois-4.html

Jim
Buzz Buzz Buzz

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05-12-2018 05:15 PM  7 months agoPost 12
GyroFreak

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Orlando Florida ...28N 81W

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Thanks Gear, I was guessing the wing folded but the airstream caused it to tear apart and make a loud pop. Thanks for the info.

I think about the hereafter. I go somewhere to get something, then wonder what I'm here after ?

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06-04-2018 02:35 AM  6 months agoPost 13
conbones

rrApprentice

panama city beach FL

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I have printed and flown the cesna its a sound design and flew well. Then I put a cheapo orange stabilising receiver on it and smeared it on the field.

Rush 750, cc160hv, vbar silverline
Agile 550, HW120hv, vbar silverline
goblin 500, cc100, ikon
Devil380, cc75lite, minivbar

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