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Old Jan 06, 2011, 11:31 AM
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tim.fuggdesign's Avatar
Bristol UK
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Originally Posted by T-CAT View Post
How is a thrust tube installed? This will be my first time using one that was created for me. I know it can be taped to the fan housing, but I'm confused on house the rest of the tube layes in the fuselage. Since the tube is smaller in diameter than the fuselage, how is secured in there without flopping around and making the jet act like it has thrust vectoring?
Mine is just taped to the fan unit, the exit diameter is exactly the same size as the exit diameter of the fuse, so the just sit the fan in and the thrust tube is held straight by the fuse as it has no room to move, I'll take a pic later to show you.

I did take mine apart and re tape it as the join wasn't quite straight out of the box but I just overlapped the plastic up to the edge of the double sided tape.
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Old Jan 06, 2011, 11:33 AM
Once-ler
United States, FL, Gainesville
Joined Jul 2008
535 Posts
you shouldn't have a problem with the thrust tube if it's securely taped all the way around the fan and goes to the edge of the black fake exhaust tube. The fan and tt will lay against the top half of the fuse.

Quote:
Originally Posted by T-CAT View Post
How is a thrust tube installed? This will be my first time using one that was created for me. I know it can be taped to the fan housing, but I'm confused on house the rest of the tube layes in the fuselage. Since the tube is smaller in diameter than the fuselage, how is secured in there without flopping around and making the jet act like it has thrust vectoring?
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Old Jan 06, 2011, 11:55 AM
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United States, CA, Los Angeles
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Thanks guys, I really appreciate the help. I possible, Tim, I would love to see pictures on how the tube lays in the exhaust.

Has anyone used a thrust tube mite sturdy than say the typical plastic clear projector sheets? For example, I would imagine a foam cup, or soda cup would work since it tapers at the end. Does anyone have experience with that?
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Old Jan 06, 2011, 01:01 PM
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Also, how does the tube stayed secure in the fuselage if the thrust tube exit diameter is much smaller than the fuselage exit diameter?
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Old Jan 06, 2011, 01:07 PM
Once-ler
United States, FL, Gainesville
Joined Jul 2008
535 Posts
It will stay in place because it's taped to the shroud and that in turn is affixed to the fuse.


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Originally Posted by T-CAT View Post
Also, how does the tube stayed secure in the fuselage if the thrust tube exit diameter is much smaller than the fuselage exit diameter?
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Old Jan 06, 2011, 01:25 PM
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Gotcha. Thanks jm. I'm going to have to try this out for the first time.
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Old Jan 06, 2011, 07:41 PM
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SKYRYDER1000's Avatar
NEW JERSEY U.S.A.
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Here ya go T-CAT!

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Old Jan 06, 2011, 08:02 PM
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Thanks Sky!! That looks amazing man. That is one hell of a clean install with that thrust tube.

I have a couple questions. Was material is your thrust tube made of? When you cut it to size, do you allow overlap each side of the thrust tube, because then there would be a lifted area of material wrapped inside the tube? Do you secure your thrust tube with a certain type of tape like clear box tape, or a different method?

Thanks a ton. I need to do mine like you show for sure.
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Old Jan 06, 2011, 09:06 PM
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overlap is needed to secure the film. you'll need a spot to glue/tape on. the little lip that's created by it causes no ill effects.
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Old Jan 06, 2011, 09:11 PM
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Awesome. Thanks a lot guy's. All the information has helped tremendously. Now, I need to test some out and practice building them .
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Old Jan 06, 2011, 09:13 PM
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istandalone's Avatar
bennington, VT
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oh, for material it's good to use "drafting mylar" or largish overhead projector sheets.
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Old Jan 06, 2011, 09:22 PM
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Good call. I picked some clear projector heats already to try it out. Have you ever tried a paper soda cup (one if the large ones from fast food places)?
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Old Jan 07, 2011, 02:03 AM
dro56595@bigpo's Avatar
Australia, NSW, Williamtown RAAF
Joined Aug 2008
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Just some pics of my second EF-16.

Same paint scheme as my first, but flies much better without all the repairs
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Old Jan 07, 2011, 03:24 AM
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tim.fuggdesign's Avatar
Bristol UK
Joined Aug 2010
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Quote:
Originally Posted by T-CAT View Post
Thanks guys, I really appreciate the help. I possible, Tim, I would love to see pictures on how the tube lays in the exhaust.

Has anyone used a thrust tube mite sturdy than say the typical plastic clear projector sheets? For example, I would imagine a foam cup, or soda cup would work since it tapers at the end. Does anyone have experience with that?
Aw, Skyryder you beat me to it.
Well Tcat I guess a few more pics can't help, here you go , good luck although it should be pretty straight forward
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Old Jan 07, 2011, 05:58 AM
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Aw, Skyryder you beat me to it.
Well Tcat I guess a few more pics can't help, here you go , good luck although it should be pretty straight forward
Thanks Tim, your pictures help a lot. It looks likethe exhaust diameter or rear of the thrust tube is the same size as the side that attaches to the fan. I've read that between 80-100% FSA oaths standard for exit diameter of the tube. Even at 100% FSA, do you measure/feel a difference in top end speed with the tube vs. without the tube?

Thanks again. You guy's are awesome.
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