Bed Knobs and a Broomstick - Bed Knobs and a Broomstick

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Aft Centering Ring * Aft MMT centering ring, showing engine retaining hardware (a blind nut with a couple of pieces of balsa as an anchor; these will be glued together and assembled behind the ring). A pair of blind nuts will be coupled with two window screen retainers to make my version of a Kaplow Clip. * 2364 x 1286 * (842KB)

Circle Construction * Hauling out my ancient geometry skills to find the center of a circle, for custom-made centering rings. * 2560 x 1920 * (1.05MB)

Nose Bridle * The nose cone's shock cord bridle assembly, to be installed in a tubing coupler. The shock cord retention bridle and the center ring-bulkhead strengthening gussets. * 1715 x 2143 * (738KB)

Nose Bulkhead * It doesn't look like a bulkhead, but it becomes one. The shock cord will attach to the loop in the bridle. * 1671 x 1832 * (633KB)

Aft Centering Ring

Circle Construction

Bridle Detail * Detail of the shock cord bridle, behind the bulkhead. * 2073 x 1510 * (680KB)

Nose Bulkhead Installation * The nose shock cord bridle and bulkhead assembly installed in the tubing coupler. This will go in the aft end of a short body tube; the nose cone will be attached to the forward end. * 1613 x 1840 * (690KB)

MMT Detail * Motor mount, showing the centering ring, blind nut, and strengthening guessets. * 1775 x 1519 * (565KB)

Nose Bulkhead Installation

MMT and Stuffer * The motor mount tube. Note the phenolic liner to the left (rocket forward) and the Kaplow Clips and gussets to the right. * 2339 x 774 * (497KB)

Tail Cone Assembly * The tail cone is made of posterboard. After inserting some stiffening rings, I coated it with thin CyA for strength and stiffness. (The cone is about 30 cm long.) * 853 x 2444 * (478KB)

Aft Cone Assembly * Assembly detail of the aft cone (the broom). Note the blind nut threads for the Kaplow Clips, the launch lug and launch rod hole (dowel is through the lug and hole, into the cone, for alignment), and the cardboard stiffener inside the cone. * 1980 x 1813 * (695KB)

Nose Aft * Aft end of the nose cone assembly. * 1920 x 2560 * (960KB)

MMT and Stuffer

Tail Cone Assembly

Aft Cone Assembly

Unstained Nose * Nose cone (the bed knob), ready for staining. Thanks to my friend Dan Schkolnik for turning it! * 805 x 1806 * (512KB)

Stained Nose * Balse is not known for its beautiful grain, but this still stained up nicely. * 746 x 2281 * (545KB)

Nose and Tail * The bed knob and the broom: stained nose cone and painted cone tail. * 2298 x 1000 * (593KB)

Kinked Tube View 1 * While painting, the rocket fell over and the tube kinked. Well, broke, really. Yes, I was able to repair it: just sectioned and spliced. * 2554 x 1224 * (534KB)

Kinked Tube View 1

Kink Close Up * Close up view of the body tube kink * 1641 x 1304 * (439KB)

In the Cradle * Bed Knobs and a Broomstick, in the cradle. * 2825 x 942 * (1.22MB)

On the Pad, Maiden Launch * Bed Knobs and a Broomstick, ready for maiden launch. * 2000 x 3008 * (964KB)

Maiden Launch * Bed Knobs and a Broomstick at launch, on a G38-7FJ * 1339 x 2081 * (426KB)

On the Pad, Maiden Launch

Maiden Flight * Maiden flight. Note the top of the smoke tail, just beneath the aft end of the rocket. * 1000 x 2181 * (359KB)

Second Launch * Second launch, still on the launch rod. * 1380 x 2081 * (415KB)

Climbing High * Second flight, well up there and still climbing. * 1353 x 1932 * (465KB)

Down She Comes * Descending under chute. The triangular-looking splotch between the rocket and the nose assembly is the NomexÂ® heat shield for the parachute. * 1136 x 1518 * (307KB)

Good Chute * Second flight, a good chute! * 3008 x 2000 * (889KB)

Splashdown * Thousands of acres there at Snow Ranch, and we land in what's left of the drying creek. No damage, though. * 3008 x 2000 * (1.99MB)

Nose Landing * Nose landed out of the creek itself, and was unscathed despite all the rocks. * 2000 x 3008 * (3.22MB)

Album last updated on 5/6/10 10:53 PM

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