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  #1  
Old 10-03-2019, 11:21 PM
timorley's Avatar
timorley timorley is offline
That 70's Rocketeer
 
Join Date: Jan 2007
Location: Bright, Indiana
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Default BSG 1.6X Colonial Viper

I still have a little more to do. This is about a 1.6X upscale of the Estes Colonial Viper. Main tubes are BT-60. I offset the 24mm motor mount, I remember the the original I had as a kid tended to arch over and my research supports that memory, so hoping this offsets that some. Plan on launching it at our next club launch.
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Tim

"You know, it, uh, won't fly unless somebody pushes the button." From the movie October Sky.

I am SAM # 0167
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  #2  
Old 10-04-2019, 06:49 AM
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mycrofte mycrofte is offline
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I always thought they arched over because of the large fins.
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  #3  
Old 10-04-2019, 06:59 AM
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A Fish Named Wallyum A Fish Named Wallyum is offline
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My 1:1 clone has only flown once, but it had a corkscrew flight pattern. I just figured it was because of the odd cut out in the nose cone.
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On the build floor: Estes Nike Apache, PemTech Kraken, Semroc S.P.E.V

Rediscovered: Semroc Laser X, Semroc SLS Laser X

In paint: Centuri Stellar Hercules, Centuri Zebra II, Estes Alpha, Estes Monarch, Semroc Squire

In the body shop: Estes Jayhawk, TLP Perseus

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Old 10-04-2019, 09:48 AM
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Earl Earl is offline
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I had an original from back in the day (received for Christmas '78) and flew it a number of times. I don't recall any 'off normal' flight characteristics, but thinking about what Bill (Wallyum) mentioned on the angle cut nosecone, in hindsight I'm somewhat surprised that there wasn't the occasional flight issue. Flew very well as I recall.

Earl
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  #5  
Old 10-04-2019, 10:28 AM
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ghrocketman ghrocketman is offline
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My original BSG Viper and clone both fly in a normal straight flight path.
No "Arcing Over" or spiral either.
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  #6  
Old 10-04-2019, 10:37 AM
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timorley timorley is offline
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Well, in a few weeks I'll have my answer when I fly it. It will be either okay or not. I spent the time to make sure I had the fins, tubes, and the side panels as straight as I could.
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Tim

"You know, it, uh, won't fly unless somebody pushes the button." From the movie October Sky.

I am SAM # 0167
NAR 98303 Southwestern Ohio Rocketry Association (SWORA) #624
https://www.rocketryohio.com
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  #7  
Old 10-04-2019, 11:09 AM
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Rocket Babe Rocket Babe is offline
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Quote:
Originally Posted by timorley
I still have a little more to do. This is about a 1.6X upscale of the Estes Colonial Viper. Main tubes are BT-60. I offset the 24mm motor mount, I remember the the original I had as a kid tended to arch over and my research supports that memory, so hoping this offsets that some.




I've built and flown an entire squadron of Vipers but all fly straight and true even as a 4 engine cluster. Maybe the arching is from too much nose weight?

For some ideas for Estes Vipers, clusters or scratch builds, including Estes,' John Boren's 2.76 upscale take a look at my Viper page: http://www.vernarockets.com/id26.html


Verna
http://www.vernarockets.com
http://www.amazon.com/dp/B00HHJHOK6
http://www.amazon.com/dp/B00O14ET8K
http://www.amazon.com/dp/B01CX1UPCG
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  #8  
Old 10-04-2019, 11:27 AM
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timorley timorley is offline
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Oh yeah, I scoured through all your pages back when I started this build many years ago, you built some absolutely awesome vipers!
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Tim

"You know, it, uh, won't fly unless somebody pushes the button." From the movie October Sky.

I am SAM # 0167
NAR 98303 Southwestern Ohio Rocketry Association (SWORA) #624
https://www.rocketryohio.com
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  #9  
Old 10-04-2019, 11:30 AM
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timorley timorley is offline
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I actually did the construction on this 12 years ago, and then it sat on a shelf unpainted. Last week I finally decided to finish it.
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Tim

"You know, it, uh, won't fly unless somebody pushes the button." From the movie October Sky.

I am SAM # 0167
NAR 98303 Southwestern Ohio Rocketry Association (SWORA) #624
https://www.rocketryohio.com
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  #10  
Old 10-04-2019, 12:51 PM
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Rocket Babe Rocket Babe is offline
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Quote:
Originally Posted by timorley
I actually did the construction on this 12 years ago, and then it sat on a shelf unpainted. Last week I finally decided to finish it.



Your Viper looks great! I hope you can post some launch photos here when you fly it.

Verna
http://www.vernarockets.com
http://www.amazon.com/dp/B00HHJHOK6
http://www.amazon.com/dp/B00O14ET8K
http://www.amazon.com/dp/B01CX1UPCG
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