I found the PDF files for the Peter Alway Saturn IV. They aren't online, I have them on my hard drive.
Patreon members - If you want to build the Saturn IV, email me at oddlrockets@bellsouth.net
Ask for the the Saturn IV PDFs.
On the left is Page 1 of the plans. At the bottom are the full-size details.
TIP: Be sure you check the 1" square Scale Pattern box after printing! Some default printer settings may not give you a full size plan.
Behind the plan is some 3/32" basswood.
The plans say to use balsa, but on the small details I don't want to mess with filling the grain. The basswood is much denser than balsa and will be easier to shape and keep sharper edges.
Not much filling with basswood, one shot of primer filler and sanding should do it.
All the outside edges of the detail patterns had the outside edges extended.
It's easier to cut pieces to size by just setting the parts on top of the plan and cutting over the longer lines.
The interstage rockets were cut to width and sanded smooth.
Here I'm cutting off the angled front end.
The Ullage rockets are made from a 1/8" dowel and harder to cut.
The the angled "root edge" first and sand to square it up.
Then cut the square end to length. Sand and true up.
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