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  #1  
Old 08-13-2018, 08:31 AM
aeppel_cpm aeppel_cpm is offline
Ciderwright
 
Join Date: Apr 2013
Location: Burlington, WI
Posts: 453
Default Estes Cosmic Interceptor downscale

So I've finally gotten some flights on on the winter builds and moved on to some more building. I thought this one might interest folks here.

My younger son made off with my Cosmic Interceptor kit when I pulled it out of the stash. So I decided to do a downscale for myself. 13mm motor mount. PNC-50B (I think) to approximate the Interceptor nose cone. Folded cardstock for the intakes and radiator vanes.







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Old 08-13-2018, 09:43 AM
Blastfromthepast Blastfromthepast is offline
'nother Old Fart BAR....
 
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Location: Castle Rock, Colorado
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Nice looking bird!
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  #3  
Old 08-13-2018, 07:36 PM
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erik442 erik442 is offline
The Alpha Kid
 
Join Date: Mar 2012
Location: central PA
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Well done! How did you scale down the decals?
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Old 08-13-2018, 10:12 PM
scott_mills scott_mills is offline
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Join Date: Dec 2013
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Yeah I was thinking of doing that as well, but starting with the old bt55 cone that is a downscale nosecone already including most of the markings.
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Old 08-14-2018, 07:39 AM
aeppel_cpm aeppel_cpm is offline
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Quote:
Originally Posted by erik442
Well done! How did you scale down the decals?


These days, when I open a kit to build it, the first step is to throw all the balsa boards, templates and decals on the scanner. When i want to do an upscale or a downscale, I bring the scan into Adobe Illustrator and run an image trace - converting it into vector art. I clean up the art a bit, and then I can scale to my heart's desire. The converted balsa scans I send with my son to the high school, which has a laser cutter. The decals I print at home on an HP Color laserjet.

In this case, I did a little tweaking. one of the little panel decals is an oblique parallelogram. The originals are identical. I mirrored one so they go on either side of the nosecone and angle properly.

I haven't [yet] treated myself to a white toner cartridge, so I can't do a white base layer. But decals over straight black are still easy to manage. I make a version of the file with a black background and then print it on white decal paper instead of clear.

Scott - the BT55 downscale would be more accurate, for sure. But I have a fetish for 13mm motors. And a box of Centuri B4s. And am signed up with the expired motor program.
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Old 08-14-2018, 10:57 AM
scott_mills scott_mills is offline
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Hey I never heard of that, what is the expired motor program ?
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Old 08-14-2018, 12:06 PM
aeppel_cpm aeppel_cpm is offline
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Quote:
Originally Posted by scott_mills
Hey I never heard of that, what is the expired motor program ?


http://www.nar.org/wp-content/uploa...ing-Program.pdf

It's easy and fun. I sign up with Steve for all the WOOSH launches once the sked is announced.
When flying them, I note it in the comments on the flight card.
After each launch day, I send a note to update Steve with the motors flown, lot numbers and results. I happen to mentally time all the delays, so along with 'good flight', I comment on if the delays seemed about right.
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