"1/2 A" & "1/8 A" airplanes These are the small ones...more popular now than ever.

Plane for Norvel .061???

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Old 11-03-2013, 08:03 PM
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Justin Gingerich
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Default Plane for Norvel .061???

I am thinking about building a plane for a Norvel .061 over the winter, but I need some ideas. There are some kits on select hobbies, but they do not have many details of them. Anybody that has suggestions or information in these kits please help. I was thinking the Selextra 500. Also is the engine that comes with that combo a good quality engine and what fuel would it run on. Thanks for all of your help.

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Old 11-05-2013, 04:52 PM
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Boy, there are so many choices-even today as the 1/2A and small glow world are shrinking....

You could do a lot worse than a Selextra, so if you are looking for a sporty little 1/2A it might be just the ticket for you.
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Old 11-05-2013, 06:05 PM
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Justin Gingerich
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Yea ok. Great! That was what I was thinking about. There are two build threads on here so that would be great. Just wondering, how hard is it to cover it. I have never covered a model before so I want something easy. Thanks for your help.

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Old 11-06-2013, 08:41 AM
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I haven't built a Selextra, but as airplanes go, you don't get much easer than a box fuselage. The wing and tail feathers are going to be pretty easy, I'm sure there are covering tutorials online somewhere to get you off to the races-it isn't that hard, my first attempt was on a box fuse airplane and it looked decent when it was done.
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Old 11-06-2013, 01:03 PM
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Ok good. I wanted a sport/ 3D plane and that one seemed to be a good one. I will see I am going to build a foamy biplane first so who knows when I will get to the Selextra.
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Old 11-06-2013, 03:23 PM
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To get anything that is .049 to .061 powered to hover and perform the 3D stunts that require 2:1 thrust to weight [in ounces]...you need a plane that weighs 10 ounces or less. The HS 65 elevator and rudder servos can take that sort of punishment and don't weigh much.
The 1/4" thick Depron sheet foam is a good choice of material with .049 power. Figure on using pull / pull linkage going back to the tail surfaces.
I cheat and use Norvel .074s for 1/2A 3D to take advantage of the 7 inch diameter prop. This really makes a huge difference in thrust over the 6 inchers. The .074 will also handle the 8x3 prop for 3D fun, but it makes them run hotter.

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Old 11-06-2013, 07:16 PM
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The 1/4" thick Depron sheet foam is a good choice of material with .049 power.

I noticed that you said to use depron. How do you make it fuel proof? Also, if I would build the Selextra and put a Novel .061 in it would I be able to fly basic 3D. Not crazy power but able to hover with unlimited vertical. If not would a .074 be able to do this. Thanks for your help.
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Old 11-06-2013, 08:37 PM
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A few years ago a guy who used to post here built a profile Depron 3D plane for .049 power. His screen name is Dickeybird. The plane came in under 10 ozs if I remember correctly. Anyway he claimed that the Depron was fuel proof enough for this plane's purpose. I built a similar plane and made sure that I wiped it down good after every flight. The plane didn't last me long enough to really test it's long term ability to resist fuel damage, but I think Depron makes sense if you figure your 1/2A 3D model is just one "tail touch" from being sent to the landfill.
since then I've built similar models using nothing but 1/4 x 1/4 hard balsa sticks for the most part. Cover with craft store cellophane and 3M77 adhesive for a fast and light way to go.
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Old 11-06-2013, 08:58 PM
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Mr.Chin's Half Wit. Must be plans around for it.
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Old 11-06-2013, 10:16 PM
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Quote:
Originally Posted by skaliwag View Post
Mr.Chin's Half Wit. Must be plans around for it.
I've also got this in a tiled version.
Attached Files
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Half Wit - Not Tiled.pdf (485.2 KB, 44 views)
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Old 11-07-2013, 04:53 AM
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Thanks guys! I will probably go with the Selextra. How much power will a .061 give it? I just want enough to hover and basic 3D.
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Old 11-07-2013, 08:37 AM
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A Norvel .074 will probably give you the performance you are looking for-the slightly larger prop diameter means a much greater thrust output compared to an .049/.061. The .074 makes a lot of power-it's not a screamer like the AME's but makes good power at useable RPM's and throttles very nicely. Very hard to kill the engine at low throttle when doing aerobatics too.

I'd be looking at an .074 based on your light 3D requirement. You won't confuse it with a .40 sized 3D plane but it will be way past vertical with a light build.

For a nice sport aerobatic plane, look at the SureShark. RainDave kitted them for a while, then Flying Models offered plans/parts. Quite a few were built here on this forum-I have the kit for the .049 version as well as the .15 size and they are really nice.
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Old 11-07-2013, 02:40 PM
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ok that sounds good. thanks
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