RE: Zlin Z-50 recieved  
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RE: Zlin Z-50 recieved - 8/8/2007 4:06:52 PM   
pavel569


 

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From: Temple City, CA, USA
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I bought it from Banana Hobby.

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RE: Zlin Z-50 recieved - 8/12/2007 7:31:43 PM   
pavel569


 

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I finished the plane setup today, put it on the ground to check lateral CG and the landing gear bent. There is no way it would withstands my landings. Tomorrow I'll cut new one from 6061 Aluminum and I'll add some wheel pants I've found from my previous buildings leftovers. I still hope for maiden this week.

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RE: Zlin Z-50 recieved - 8/14/2007 4:40:21 AM   
pavel569


 

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Here is my Zlin. It is finished, new landing gear + wheel pants, ready for maiden. For my surprise, I didn't have to add any weight except 7g on tip of the wing to counterbalance the engine.


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< Message edited by pavel569 -- 8/14/2007 4:46:57 AM >

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RE: Zlin Z-50 recieved - 8/14/2007 12:17:27 PM   
mando



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So far so good, eh. LG and pants look great. Keep an eye on the control rods, you'll find that they are way too soft and flexable also. Changed mine after the third flight with CF rods. Good luck with the maiden!

Mando........

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RE: Zlin Z-50 recieved - 8/15/2007 3:35:59 AM   
pavel569


 

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Thanks, Mando. I've took your advice and changed the tail control linkage to CF. I don't want to jeopardize her first flight. It is better to do it now than later.

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RE: Zlin Z-50 recieved - 8/16/2007 5:47:01 PM   
pavel569


 

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Maiden this morning. Preflight check - rudder servo is dead. Next week I'll try again.

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RE: Zlin Z-50 recieved - 8/16/2007 6:42:31 PM   
mando



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RE: Zlin Z-50 recieved - 8/22/2007 11:24:01 AM   
goph


 

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hi ther i,m waiting to take possesion of a zlin but have to wait 7 week here in OZ
would like to know where you got the wheel pants looks hot.
going to fit os 52fs does it fit with out cuttin up the cowl .

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RE: Zlin Z-50 recieved - 8/22/2007 6:26:09 PM   
pavel569


 

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The wheel pants I've used are from Great Planes RV-4 I had in my hands. I like them because they are more "bubbly" than stock for 40-60 size airplane.

BTW I had maiden yesterday. She is flying like on rails, if you fly it fast. Stall speed is pretty high, all of a sudden left wing drops like crazy. If this happen on landing approach 5ft above the ground, you will go home with plastic bag full of balsa. I guess it's due to CG position, over this weekend I'm going to play around and move it at 1/4" forward and will see. The throws for ailerons - approx 5/8" up/down are ok, elevator - 1/2" up/down are way too much. I did extreme snap at the top of loop with 20% elevator, I'll lower the rate to 50% by adjusting control rod - I still want to keep full servo travel movement. The engine I'm using - Magnum 70 4stroke seems to have very little power to fly it, I'll try to use different prop sizes to get optimum rpm. Next week - next try.

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RE: Zlin Z-50 recieved - 9/4/2007 2:42:36 AM   
mando



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Got some more flights in today, and with some help of flying buddy, FlyJay, got another opinion with some good comments of the set up and flight caricaturistics of the Zlin. Wringing it out caused another horizontal stab-brace failure. That's the second one I've had to fix, the aluminum used is too thin and breaks easily, so I've been replacing the ends with brass. Easy enough to do. The 13x7 prop for the Saito .72 is gonna be replaced with either a 13x6, 13x4w or a 13x4 sport. Did a search for sport/3D on the Saito and found those suggestions. Gotta slow it down some. Got a little more "user friendly" with flying it today, with good feelings for future flights.
Soo, how 'bout you guys, any good Zlin news?

Mando........

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RE: Zlin Z-50 recieved - 9/16/2007 10:25:11 PM   
Speedie500



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Hi Guys, in S.A. we have a local dealer for the same range as NitroModels. They are manufactured by a Chinese company called Fly Model, www.fly-model.com. I'm currently waiting for my second Zlin as the first one got damaged in the mail & got returned. Thanks for the tip on the landing gear and as for the hardware I intend to replace it all with Du-Bro.
I've got a choice of 2 engines both Irvine 2 strokes .46 & .53, any recomendations?
The model is based on one aircraft from a South African aerobatic team. I have 2 pic's of the aircraft I'll try to post them for you.

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< Message edited by Speedie500 -- 9/16/2007 10:36:16 PM >


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RE: Zlin Z-50 recieved - 9/17/2007 4:35:51 AM   
mando



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Hey, keep us posted.

Mando..........

< Message edited by mando -- 9/17/2007 4:36:07 AM >


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RE: Zlin Z-50 recieved - 10/17/2007 1:51:14 PM   
goph


 

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IT'S HERE ALREADY HAD A FEW LATE NIGHTS BUT LOOKS GOOD.
HAVE FITTED A NEW OS 55AX.
PICS COMING SOON

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RE: Zlin Z-50 recieved - 11/14/2007 12:24:16 AM   
cavandish


 

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NOT MEANING TO PISS ON ANYONES BONFIRE GUY'S, BUT IVE JUST RECIEVED ONE OF THESE BY MISTAKE INSTEAD OF A W/M CAP 232 50 SIZE
THERE IS NO COMPARISON I'M AFRAID, APART FROM THE FACT THAT THE ZLIN IS COOLER LOOKING FROM 20FEET AWAY.
i LOOKED IN THE BOX AND WAS NOT SURE IF TO SEND IT BACK OR NOT, I READ THIS THREAD AND MY MIND WAS MADE UP !! SHE'S HISTORY

< Message edited by cavandish -- 11/14/2007 5:47:14 AM >

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RE: Zlin Z-50 recieved - 11/14/2007 3:54:11 PM   
Evgeny-arm