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-   -   Wrapping a 1/100 Saturn 1B (http://www.oldrocketforum.com/showthread.php?t=13716)

the mole 03-25-2014 09:37 AM

3 Attachment(s)
Now the fins are made with a 1x 1/16 balsa wood strip. I covered the balsa strip with self adhesive paper and wrapped it over the edge of the strip.
I cut the fin covers out and placed them one at a time on either side of the strip.
The last thing to do was to cut the fin from the balsa sheet using a new sharp #11 blade.
The only painting I did on the fins was the bottom edge and the end of the fins.

the mole 03-25-2014 04:06 PM

5 Attachment(s)
The fins are now ready to glue to the base of the aft tube. I used the fin guide to line up the fins straight on the aft tube.
I glued the fins in place, and then I reinforced the fins with a fillet glue bead on each side of the fins.

jharding58 03-25-2014 05:24 PM

You are a Godsend! Sign me up for the 1/100th scale as it saves me a truckload of masking. I build about six of these a year.

the mole 03-26-2014 12:22 PM

4 Attachment(s)
With the first stage completed, it's time to move on to the second stage.
I cut out the SA-205 and SA-206 second stage wraps and applied them to the BT-80 tubes
I gave the wrap time to set up on the tubes, then I glued the second stage to the first stage of both rockets.

the mole 03-26-2014 05:57 PM

5 Attachment(s)
I have the second stage glued to the first stage. Now comes what I call putting on the Saturn 1B jewelry.
I took the ullage motors, retrorockets and AMPs from my ESTES 1/100 scale Saturn V and made molds from them.
I made these parts from the molds and glued them on using superglue.
I made the antenna by gluing the printout to cereal box cardboard and cutting them out.
I glued the antenna to the fuel tanks. That pretty much takes care of the jewelry.
The project is almost finished now.

Earl 03-26-2014 06:18 PM

Lookin' good!

Earl

Earl 03-26-2014 06:25 PM

Quote:
Originally Posted by the mole
The fuel tank shroud is next. This is printed on 110 card stock. Let the ink dry, and spray all printed wraps with a protective coating like Krylon clear finish.

Cut the shroud out and glue the ends together. Once the glue has dried, slip the shroud over the top of the tanks and down to the aft tube.


Did you 'freehand' your cut on the tank shroud? Such with scissors or xacto knife? The 'scallops' of your shroud look super-clean, almost like they were machine cut or cut with a die of some type.

I was doing some practice cutting on copies of the 1/70 tank shroud for the Estes kit, and with either scissors or hobby knife, it is hard to cut those curved scalloped areas cleanly.

What's your secret??

Earl

jharding58 03-26-2014 08:05 PM

A few years ago I was building so many of the 1/70 S-1b that I asked Carl to cut some of the shrouds for me, which he did. If you know of someone with a LC I am sure that they could oblige on the 1/100th size version. Better than going blind.

the mole 03-26-2014 08:51 PM

Quote:
Originally Posted by Earl
Did you 'freehand' your cut on the tank shroud? Such with scissors or xacto knife? The 'scallops' of your shroud look super-clean, almost like they were machine cut or cut with a die of some type.

I was doing some practice cutting on copies of the 1/70 tank shroud for the Estes kit, and with either scissors or hobby knife, it is hard to cut those curved scalloped areas cleanly.

What's your secret??

Earl


Hi Earl,
First off I have no secret to cutting the tank shroud. BUT what I do is first make a cut around the scallops about a 1/16 or 1/8 inch from the line of the scallops. After I have done this to all the scallops, I go back and start cutting the scallops out. This way it is easyer to cut on the line and less resistance on the scissors. Use a sharp pair of scissors. I buy a new pair just about every six month at the store. Use little scissors if you can find them. Another thing , where the black areas are on the scallops, take a black magic marker and color the edge of the paper or card stock. It makes the cut look cleaner.

Hope this helps you out next time.
Frank.

Earl 03-26-2014 09:45 PM

Well, it's great to know it's possible to cut those shrouds that clean with just a pair of scissors. Maybe the smaller set of scissors is the key. I use a sharp set for this type cutting, and the cuts don't look 'bad' per se, just not as 'machine cut' as yours do. For that shroud, clean cuts are key to a nice matchup with the tank tubes.

It is easy to get small variations when using scissors free hand as compared to say using an xacto and a straight edge. But obviously one cannot use a straight edge for these scallops, but yours look almost like they had been cut with something other than just plain old scissors.

Thanks for the tip......I'll see how the smaller set works.

Earl


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