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I used to be absolutely hard-nosed for perfection when it came to building scale model rockets. Nowadays with advancing age, I usually go for sport scale; precision measurements aren't so important as long as the shape is close to the actual prototype. Excellent craftsmanship and a good flight...

The full tube, BT-80SV is 8.81 inches long.

I built and flew a straight-out-of-the-box Estes Saturn V (#2001 - the one with the card stock stringer sections) for the opening flight of NARAM-31 in Manassas, Virginia way back in 1989. That day was cloudy and windy, and she barely made a 'pop-gun' flight on an Estes D12-3 of about 200 feet...

No biggie... just showing the option if someone wants to build a better mousetrap... :)

Here is a reference crosscheck drawing of the S-IC outboard engine fairing:

Alternate, 3D-printed Saturn V S-IC engine fairings: S-IC fin fairing with enlarged fins: https://www.shapeways.com/product/WTTLAFCE9/1-100-sat-v-1st-stage-nozzle-fairing-flight-size?optionId=60006433&li=user-wishlist S-IC fin fairing with true-scale fins...

These are the dimensions of the full size Saturn V stringers: Outboard engine fairings on S-IC: 19 1" x 1" L-section stringers, equally spaced. Aft section S-IC: 128 3" x 3" hat section stringers, equally spaced. There are a few odd-sized hat section stringers near the hold-down post areas...

Get it while it's still available... 2-disc soundtrack set of the late James Horner's score for Apollo 13! https://store.intrada.com/s.nl?it=A&id=11453

The ARCAS had the option of two nose cones; the No. 5A secant ogive and the No. 8 tangent ogive. Most common was the 5A. See the plan below.

For finer details that are not part of the structure, a four-inch scale measurement is relatively insignificant.

This is the Nike-Apache on static display outside the air terminal building at Roi-Namur on Kwajalein Atoll. Not shown in these pictures is the Nike fin can, which is missing - it corroded away over the years and was never replaced.

The detailed JPG was created by the famous Vladimir Minakov.

Gotta give credit where credit is due: the attached PDF is my drawing; the JPG illustration above is from Russian scale spacemodeling data - which I could use to improve my drawings!

The early MMIIIs had an ogive warhead shroud; later versions had the conical shrouds.

Add-on pieces and parts you can purchase for a better Semroc/Apogee Saturn IB: 3D printed lower tank fairing section (add short section of BT-101) S-IB fins with hold-down struts (set of 8) Skin kit for 1/70 Semroc/Apogee Saturn IB 3D printed S-IB lower tank section (complete, no fins) 1/70 H-1...

That's classified. I'm not at liberty to discuss.

Reentry over Kwaj happens in the dark of night; the long exposures make it look like twilight. The lights in the background are of Ebeye Island.

I used to work at the Huntsville (Alabama) Remote Operations Center (ROC) tracking and scoring Minuteman III 'Glory Trip' test launches from Vandenberg AFB to Kwajalein and in a few cases all the way to the broad - and extremely deep - ocean areas off the coast of Guam. Without getting into the...

About $13,078.20 in 2018 dollars, adjusted for inflation.

Back in the day when dinosaurs roamed the earth and I used to work for AeroTech a little over 25 years ago we built a pre-production IQSY Tomahawk that we flew in competition with a hand-turned basswood (or some other kind of hardwood) ogive nose cone. Still have it in storage in the garage...