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  #1  
Old 08-18-2020, 10:21 PM
Vanel Vanel is offline
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Default American Rocketeer Uni-Bird

Anyone ever seen or built one of these? Just wondering about the paint scheme. Orange and white maybe?

https://plans.rocketshoppe.com/pubs...72_Uni-Bird.pdf
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  #2  
Old 08-18-2020, 10:48 PM
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Funny, I was just looking at this plan night before last. I got an extra copy of that American Rocketeer issue in a group of other Centuri ephemera a week or so ago. I had not looked at that particular issue in a few years, so I was looking it over again. I always thought that use of the paper reducers to flush-mount the first stage into the base of the main vehicle to be fairly interesting.

It would make an interesting build and flight vehicle...but I'm terrible at picking colors (color blind).

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  #3  
Old 08-19-2020, 08:37 AM
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tbzep tbzep is offline
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The single asymmetrical streamer tube is vindicated with all the modern launch vehicles like the Atlas V using a single strap-on when two or more aren't needed.

Paint... It reminds me of the Centuri Stellar, so you could go with that paint scheme...basically white with black decals. Lots of kids in that era just painted a kit with whatever color they had, tip to tail. Decals were usually black. I've seen lots of solid yellow or solid red/orange rockets with black decals that to me look vintage 60's, early 70's. In fact, there has been a few pics posted of a closet full of rockets the last couple of days that had a few rockets painted that way. The B&W photo looks like the NC is white and the body looks like it may be a medium color of some sort.

Looks like the decals/striping are black and white. Red always works with B&W (der Red Max), so does richer yellows and oranges. If you are thinking of sounding rockets, a steel blue, grey, or OD body would go well.
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Last edited by tbzep : 08-19-2020 at 08:58 AM.
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  #4  
Old 08-19-2020, 09:39 AM
A Fish Named Wallyum A Fish Named Wallyum is offline
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Yesterday I was cleaning out the car that we're giving to a local charity. I found a binder that I stored potential projects in, and this one was one that I'd never gotten to. I threw a bunch away because I'd built them in the years since.
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  #5  
Old 08-19-2020, 03:02 PM
stefanj stefanj is offline
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Interesting model! I'd never heard of it before.

Remember to visit your Centuri dealer for that PNC-167.

Picturing an old hobby shop owner listening patiently as you jokingly ask for one.

He smiles, reaches for a orange and black striped box on the top of a high shelf, blows off a half inch of dust, and hands you a mint condition Nike Smoke cone.

(And when you go back, realizing your should have bought more than one of those rare cones, you discover an empty storefront. "Albert's Hobbies? Why, they closed fifteen years ago.")
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  #6  
Old 08-19-2020, 03:06 PM
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Quote:
Originally Posted by stefanj
Interesting model! I'd never heard of it before.

Remember to visit your Centuri dealer for that PNC-167.

Picturing an old hobby shop owner listening patiently as you jokingly ask for one.

He smiles, reaches for a orange and black striped box on the top of a high shelf, blows off a half inch of dust, and hands you a mint condition Nike Smoke cone.

(And when you go back, realizing your should have bought more than one of those rare cones, you discover an empty storefront. "Albert's Hobbies? Why, they closed fifteen years ago.")

I might could semi-scale it with nose cone from one of my many squirreled away Nike-Smokes.
If all else fails, I could spin up the old lathe. Haven't used it in a while.
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  #7  
Old 08-19-2020, 05:31 PM
snaquin snaquin is offline
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Well that is a very unique rocket that I have never seen before, very cool design
I agree the nose cone is white. Not sure why in the instructions they suggest not painting the nose cone because “the special plastic material will not accept paint successfully”. Wasn’t the PNC-167 the same type of plastic as their other cones? I have one here I would need to pull it out of a bin to check.

I like tbzep’s suggestions. I would use dark red or dark orange for the main color, leave the nose cone and ST-56 streamer pod white and recreate the decals and striping in black and white. Looks like a little white striping around one fin. If you really want to be bold paint it fluorescent red or orange to give it some pop.

It’s a decent sized ST-16 model should be really cool just don’t tell GH the first recommended booster motor is a B14-0
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Last edited by snaquin : 08-19-2020 at 06:12 PM. Reason: Spelling
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  #8  
Old 08-19-2020, 05:54 PM
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Tau Zero Tau Zero is offline
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Quote:
Originally Posted by Earl
Funny, I was just looking at this plan night before last. I got an extra copy of that American Rocketeer issue in a group of other Centuri ephemera a week or so ago. I had not looked at that particular issue in a few years, so I was looking it over again. I always thought that use of the paper reducers to flush-mount the first stage into the base of the main vehicle to be fairly interesting.
IIRC, isn't this design particularly susceptible to the Krushnic Effect?

https://www.youtube.com/watch?v=_A_5GI0yIEk

That would be the only drawback I can initially think of.


--But otherwise... Yeah, very cool design.
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  #9  
Old 08-19-2020, 06:27 PM
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Earl Earl is offline
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If the motor is recessed too far inside the body tube, it could cause that effect. Hopefully (and one would think the Centuri designers took that potential into consideration), that upper stage motor is not recessed far enough into the body tube to cause a problem.

In the video, the girl does a pretty good job describing everything; I was fairly well impressed at her grasp of the workings of it all. The rule of thumb I recall to try to eliminate that effect was no more than 1/2 the body diameter; I think she said 1 body diameter.

Earl
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  #10  
Old 08-19-2020, 06:43 PM
Vanel Vanel is offline
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I have 2 of the old Centuri Nike Smoke cones - one is in pretty good shape. As usual, I can't remember where I got them

eRockets/Semroc makes a balsa facsimile without the fine details and hatches: http://www.erockets.biz/semroc-bals...l-sem-bc-16100/

Have a couple of those as well. Now I just have to reproduce the paper adapters and I'll be all set.
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