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Old 06-02-2014, 12:23 PM
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Default 1/52 Semi-Scale Soyuz

I built a 1/52 semi-scale Soyuz and finally got to fly it Saturday...here are the plans and some pics...the build thread is on TRF here http://www.rocketryforum.com/showth...emi-Scale-Soyuz if you want gory details
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Old 06-02-2014, 12:25 PM
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BTW on-board video while flying on an E9-4 is on youtube
http://youtu.be/yMaxGxf9bFo
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Old 06-02-2014, 05:08 PM
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Default Nice!

That's some really nice workmanship, David! What a beautiful bird.
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Old 06-02-2014, 06:32 PM
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Outstanding, Comrade!

I love it when we have a new member of the R-7 club.

And the drawings are great, too. That's a neat size. Its a shame we haven't yet located a supply of BT-58 tubing as the last time I was at Semroc they seemed to be out.

Edit: they've got some now.
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Last edited by MarkB. : 06-02-2014 at 07:53 PM.
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Old 06-02-2014, 09:22 PM
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Thanks guys...

Yeah, I really hope somebody picks up the slack in regards to Semroc's tube selection...it will get harder to make scale rockets without all the sizes to choose from

I understand and really feel for Sheryl and Bruce. Carl and his family ran a real first class operation.
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Old 06-04-2014, 11:06 AM
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There are some superb photos posted by astro Samantha Cristoforetti on the nasaspaceflight forum in this thread according to this post they are actually on flikr
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Old 06-04-2014, 09:09 PM
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Quote:
Originally Posted by MarkB.
Outstanding, Comrade!

I love it when we have a new member of the R-7 club.

And the drawings are great, too. That's a neat size. Its a shame we haven't yet located a supply of BT-58 tubing as the last time I was at Semroc they seemed to be out.

Edit: they've got some now.



Interesting. I was working out plans for R-7s in 1/70 scale and the base of the boosters turned out to be BT-58 too.

You may want to take this opportunity to get some couplers for that BT-58 while you can.

When I last communicated with Sheryl in late March, they had over 300 in stock for $1.20 each.


Bill
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Old 06-11-2014, 10:43 AM
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Wow David!
Great work on the plans, build and flight.
I've copied the PDF, it's are in my "someday" file.
Thanks for sharing all your work.
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Old 06-11-2014, 08:17 PM
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Bill,

I had just started working on a larger R-7; in my case, I was thinking one inch to one meter scale (1/39.37). If you take the Minakov drawing and read the millimeters as inches and decimal places you get a pretty good size R-7. The math is super easy - just count over three places (from the right) and put a decimal-- there's your dimension.

For instance, the booster diameters are 2680 mm so its 2.680 inches or BTH-80 size. Or, even better, the core is 2050mm, so in my scale, its 2.05 inches or Series 20 tubing.

Attached is a fairly high-res, version of the Minakov drawing. I think its the best all-around drawing. I have a higher res version if anyone wants it, just PM me.
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NAR 79743
NARTrek Silver
SAM 062

Awaiting First Launch: micro V-2; Blossom V-2; Ute-Tomahawk
Finishing: Aero-Dart clone, Stiletto
Repair/Rescue: Eggspress
On the Bench: Zooch Saturn V; Atlas V 541; 2650; M-13
Dream Stage: 1/39.37 R-7

Last edited by MarkB. : 10-13-2016 at 06:29 PM.
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  #10  
Old 06-11-2014, 09:09 PM
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Quote:
Originally Posted by MarkB.
Bill,

I had just started working on a larger R-7; in my case, I was thinking one inch to one meter scale (1/39.37). If you take the Minakov drawing and read the millimeters as inches and decimal places you get a pretty good size R-7. The math is super easy - just count over three places (from the right) and put a decimal-- there's your dimension.

For instance, the booster diameters are 2680 mm so its 2.680 inches or BTH-80 size. Or, even better, the core is 2050mm, so in my scale, its 2.05 inches or Series 20 tubing.

Attached is a fairly high-res, version of the Minakov drawing. I think its the best all-around drawing. I have a higher res version if anyone wants it, just PM me.


That was the main drawing I used for my model. A hi-res is available on ninfinger's site, yours may be even better.
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