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Old Apr 10, 2007, 11:01 AM
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Hey Zimmerman I am building a the hobby-lobby cessna 172 and its covered in mylar I was wondering if the plastic you used to cover your model was anything like mylar and what paints you used on it. My biggest problem right now in my build is trying to figure out which kind of paint I can airbrush on the mylar to make it stick. Thanks in advance.
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Old Nov 22, 2007, 05:37 AM
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Quote:
Originally Posted by Riotz
Hey Zimmerman I am building a the hobby-lobby cessna 172 and its covered in mylar I was wondering if the plastic you used to cover your model was anything like mylar and what paints you used on it. My biggest problem right now in my build is trying to figure out which kind of paint I can airbrush on the mylar to make it stick. Thanks in advance.

Riotz the film was called SOLA LIGHT.

the lights film and not see thought.

zim
Old Nov 22, 2007, 12:32 PM
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Zim,

You inspired me to start mine. I started the project over a year ago, and got caught in many projects between. I do plan on getting back to finishing the project after the New Year.

Tom
Old Nov 22, 2007, 02:04 PM
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The little Guillows flies nice too. Like Zim, I used the box detail scheme.
I've looked at the 36" 172 countless times, and it'll probably be there on the LHS shelf whenever I want it.

I'm amazed how nice Zim's turned out, without sheeting the fuse. My sparring work would never be clean enough, without sheeting, to look that good.
Old Mar 05, 2008, 06:12 PM
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Hey Zim,
Can you tell me the kit number for this one please?
I'm adding it to a database here on RC Groups.
https://www.rcgroups.com/forums/show...61#post9275360

Cheers- Phil
Old Mar 05, 2008, 06:27 PM
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looks like a 802 - CESSNA SKYHAWK 172
Old Nov 22, 2008, 05:13 PM
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hi mate , jus wondering if u no a way of keeping the wing struts on wen u take the wing of... if u do could u tell me the simplest way
Old Feb 19, 2009, 10:44 AM
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Hi scale Cessna fliers here,
I have just completed mine (the same Guillows-kit conversion), thought you might be interested.
http://forum.rcmodell.hu/index.php?topic=41841.30
Check for post #33.
If I see that this thread is still live, I will post some details here and have some questions, before finally trying to make my Skyhawk airbound. I have serious concerns with weight, thrust/drag of this plane
Regards,
Old Feb 19, 2009, 01:07 PM
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Looks great! Love to see the pics on here and your build/flight experiences.
Old Feb 19, 2009, 02:46 PM
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Thanks for the encouragement anyway. Here are some pics of the ready-built model. The design (painting + decals) is an attepmt to reproduce the real C172 in sevice at LHPP (Hungary), the closest civilian airport to my home.












Behold the original and the model: 8) For those who cannot but look for differences: yes, there are some. The optical upwards curving of the tail part of the fuselage, resulting from the painted lines, did not please me so I rectified the situation. And, well, I cannot help if no wheel pants are used on the original - they should be there

Whether my model will be able to fly, we'll see.. It is perfect in taxiing on the rug, anyway

All-up weight 394g = 14 ounces
The currently installed drive system in the plane includes a 1000mAh 2-cell LiPo battery, a 29g 1500KV 100W Hyperion brushless motor with adequate 10A ESC, and 6,5x5 or 7x5 BlueBird Thin Electric prop.
The former (smaller) prop gave just 180-190g = 6,3-6,5oz static thrust at full rpm.
The wing area is 10 sqdm = 1,076 sq foot, which, compared with the 14 ounces seems a bit weaky...

I don't want to smash the li'l one right for the first takeoff attempt.
Need your suggestions...
Old Feb 19, 2009, 05:42 PM
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I've never flown this plane. But if I remember right it flies nice as long as it's light. Did you see the video in this thread. It looks like a nice flier. The scale detail on yours looks very nice and, well, detailed. I've had one of these planes in abox for about 10-15 years now (I think it was the mid 90's when I got it???) and would like to build it someday. Your project and all the others inspire me to get off my butt and build my bird.
Old Feb 20, 2009, 05:07 AM
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Thanks, Pootman
Yes, I watched both videos, and the sight is perfect.

Quote:
Originally Posted by pootman
if I remember right it flies nice as long as it's light.
This is just what might be a problem with mine. Zimmermann's plane is 10 oz compared to mine which is 40% heavier. I am wondering what drag/thrust would be enough for my plane and what speed could give it reassuring potential to climb...

Quote:
Originally Posted by pootman
Your project and all the others inspire me to get off my butt and build my bird.
Yeah, do so! I can confirm that it is worth getting down to it.
Old Sep 08, 2009, 07:56 AM
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Crashed it...
Short video here:
C 172 Skyhawk unsuccessful test flight (1 min 14 sec)

Plane still on top of the bookshelf.
Actually I have no idea what the problem was. No damage to drive, electronics and wings, so I will soon will re-build the nose and test the model again.
Old Sep 08, 2009, 10:23 AM
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Tail heavy I'd say to start with - but what a beautiful model!
Shame to see it go back to the workshop so soon.
Looks like enough power, may need some left trim in the ailerons.
Cetainly needs to be able to return the wings to level while climbing out because that looked like a stall to me just as it started the (fatal) side-slip.
more height would have bought you more time.
Please keep at it, these are beautiful models - superb craftsmanship indeed.

Phil
Old Sep 10, 2009, 05:33 PM
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Thanx Phil,
I was suspecting the rudder to have stuck to the right (down-turn starts abruptly at 0:53 as speed wears away but wind from the prop remains) but it was in central position and moving freely. Not enough height was a problem indeed: that's what prevented me from being able to see the plane once it had turned in behind my car.
Will be back as soon as there's some advance.


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