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  #11  
Old 03-23-2019, 10:35 AM
Ez2cDave's Avatar
Ez2cDave Ez2cDave is offline
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Join Date: Mar 2005
Location: Raleigh, NC Area
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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."


Mark,

Glad I was able to help . . . Have a great build and post lots of pics !

Dave F.
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  #12  
Old 07-05-2020, 07:29 PM
frognbuff frognbuff is offline
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Join Date: Oct 2012
Location: Colorado Springs, CO
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My son, home from college, needed a challenge, so he too took on the Mars 2020 Atlas V 541. Here are the results:
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  #13  
Old 07-05-2020, 07:37 PM
frognbuff frognbuff is offline
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Join Date: Oct 2012
Location: Colorado Springs, CO
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Details on the build:

Nose cone is a hand-modified cone from eRockets.
Payload fairing is BT-80.
Boattail is a highly modified boattail from one of our Aggressor Aerospace kits.
Main tube is ST-18 (1.84" OD). It has a pair of 18mm motors. Photo shows them from the side, so you see only one.
Did NOT try to replicate the aft end to scale. The heat shield on this model is just a cylinder, not the more complex shape on the actual vehicle.
LOX feedline is styrene plastic. The avionics pod and cable raceway are present, but can't be seen in this photo.
SRBs are BT-20, with 13mm motor mounts, which is why the nozzles are not to scale (lengths are correct, throat should be thinner). SRBs are mounted in the scale, asymmetric configuration.
SRB canted ogive cones were done by Boyce Aerospace Hobbies. Feel free to order more from Alex and Sheree - he'll do any scale you like.
Decals are printed on our home printer. I have extras if anybody wants a set.
Since my son and I both hate permanently attached clear plastic fins, the model has a detachable "fin box," which screws into the base of the model. Easily removed for display. Fin box isn't done, so not sure when it will fly!!
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  #14  
Old 07-06-2020, 05:39 AM
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mojo1986 mojo1986 is offline
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Join Date: Mar 2005
Location: Kingston, CANADA
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Quote:
Originally Posted by Ez2cDave
Mark,

Glad I was able to help . . . Have a great build and post lots of pics !

Dave F.


Wow! That looks fantastic!
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  #15  
Old 07-06-2020, 08:01 PM
frognbuff frognbuff is offline
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Join Date: Oct 2012
Location: Colorado Springs, CO
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Thank you! Will pass that on to my son!
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