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  #1  
Old 03-20-2019, 07:04 PM
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MarkB. MarkB. is offline
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Default Atlas V 541

Comrades:

I need to build an Atlas V 541. I have been unable to locate any now-out-of-production Real Space Rockets kits. Anybody got a drawing? And yes, I checked Rockets of the World and the Supplements. Nada.
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NAR 79743
NARTrek Silver
SAM 062

Awaiting First Launch: micro V-2; Blossom V-2
Finishing: Aero-Dart clone
Repair/Rescue: Eggspress, Centuri Stilleto
On the Bench: Zooch Saturn V; Atlas V 541; 2650; M-13
Dream Stage: 1/39.37 R-7
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  #2  
Old 03-20-2019, 08:16 PM
frognbuff frognbuff is offline
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You could buy a 1/144 static kit from realspacemodels.com. Their 500-series kit is $60. Some of their kits are even based on tubes rather than being solid resin (not sure on the Atlas V kit, however). Maybe they could help you with dimensions too.

Out of curiosity, why the 541? Mars Science Laboratory or Mars 2020, perhaps?

Last edited by frognbuff : 03-21-2019 at 06:19 AM.
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  #3  
Old 03-20-2019, 10:34 PM
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Ez2cDave Ez2cDave is offline
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Quote:
Originally Posted by MarkB.
Comrades:

I need to build an Atlas V 541. I have been unable to locate any now-out-of-production Real Space Rockets kits. Anybody got a drawing? And yes, I checked Rockets of the World and the Supplements. Nada.



Mark,

Shoot me an email and you will have access to 253 MB of Atlas V data ( Dropbox invitation ) . . . The PDF files are very helpful !

EzcDave@aol.com

Dave F.
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  #4  
Old 03-21-2019, 09:33 AM
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MarkB. MarkB. is offline
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Thanks guys,

The target is Rover 2020; A challenge from a program-related engineer.

An Atlas V is 150" diameter, Shroud diameter is either 197" or 213" depending on your source and the SRBs are 62".


So I poked around the Semroc tube chart and came up with 1/100ish scale would be BT-58 to ST-20 with ST-6 SRBs. Or slightly smaller 1/120ish would be LT-115 to ST-16 with BT-5 SRBs.

1/50 scale 3" to 4" with LT-115 SRBs seems excessive. And I don't even want to think about how much Gordy would charge for that nose cone and transition.
__________________
Identifying a problem without proposing a solution is just whining.

NAR 79743
NARTrek Silver
SAM 062

Awaiting First Launch: micro V-2; Blossom V-2
Finishing: Aero-Dart clone
Repair/Rescue: Eggspress, Centuri Stilleto
On the Bench: Zooch Saturn V; Atlas V 541; 2650; M-13
Dream Stage: 1/39.37 R-7
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  #5  
Old 03-21-2019, 11:34 AM
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Ez2cDave Ez2cDave is offline
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Quote:
Originally Posted by MarkB.
Thanks guys,

The target is Rover 2020; A challenge from a program-related engineer.

An Atlas V is 150" diameter, Shroud diameter is either 197" or 213" depending on your source and the SRBs are 62"..


Mark,

Shoot me an email and you will have access to 253 MB of Atlas V data ( Dropbox invitation ) . . . The PDF files are very helpful !

EzcDave@aol.com

Dave F.
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  #6  
Old 03-22-2019, 11:06 AM
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jeffyjeep jeffyjeep is offline
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I have a DFR Technologies Atlas V New Horizons kit that I’ll part with. Is that what you’re you’re looking for?
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  #7  
Old 03-22-2019, 12:15 PM
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I dug it out of the closet. This is what I have:
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__________________
-Just in case you ever wondered, Yoda’s last name was LayHeeHoo.

-Don't mistake politeness for weakness.


NAR# 94042
SAM# 0078
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  #8  
Old 03-23-2019, 08:10 AM
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MarkB. MarkB. is offline
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Thanks Guys,

Jeffy, many thanks for your offer, but between Dave's stuff and what I got on the internet, I've decided to scratch build and use the project for my NARTrek Gold. Plus, I don't want the challenger to say "Awe, you just built a kit."
__________________
Identifying a problem without proposing a solution is just whining.

NAR 79743
NARTrek Silver
SAM 062

Awaiting First Launch: micro V-2; Blossom V-2
Finishing: Aero-Dart clone
Repair/Rescue: Eggspress, Centuri Stilleto
On the Bench: Zooch Saturn V; Atlas V 541; 2650; M-13
Dream Stage: 1/39.37 R-7
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  #9  
Old 03-23-2019, 08:22 AM
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jeffyjeep jeffyjeep is offline
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Quote:
Originally Posted by MarkB.
Thanks Guys,

Jeffy, many thanks for your offer, but between Dave's stuff and what I got on the internet, I've decided to scratch build and use the project for my NARTrek Gold. Plus, I don't want the challenger to say "Awe, you just built a kit."


You’re welcome. I wish you all the best on your scratch build.
__________________
-Just in case you ever wondered, Yoda’s last name was LayHeeHoo.

-Don't mistake politeness for weakness.


NAR# 94042
SAM# 0078
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  #10  
Old 03-23-2019, 09:15 AM
frognbuff frognbuff is offline
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Join Date: Oct 2012
Location: Colorado Springs, CO
Posts: 263
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Quote:
Originally Posted by MarkB.
Thanks Guys,

Jeffy, many thanks for your offer, but between Dave's stuff and what I got on the internet, I've decided to scratch build and use the project for my NARTrek Gold. Plus, I don't want the challenger to say "Awe, you just built a kit."


Let us know how you plan to do the canted ogives on the SRMs. 3D printing would be easiest, but there are other options too.

Incidentally, we just did a pathfinder exercise for Mars 2020. Had to demonstrate the ability to access the spacecraft (rover) through the fairing to install the RTG. Fun stuff!
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