| Manufacturer: | Scratch |
Brief:
My first paper rocket design--and it actually worked t' first time!
Construction:
All that's needed is one 8 1/2" X 11" Sheet o' 120# cardstock and
white glue.
I started by takin' a CD-ROM and usin' it as a template for t' upper portion o' t' saucer. Ahoy! I traced both t' outside o' t' CD as well as the spindle hole in t' center. Avast, me proud beauty! Avast! After cuttin' out t' both circles, matey, ya bilge rat, matey, I slit the circle from t' edge t' t' center hole. Well, blow me down! Begad! I then made a cone by overlappin' the cut edges by 1". Arrr! Begad! I used a hole punch t' make a small hole for t' launch rod t' pass through. Arrr! I then cut out another circle that was 3.75" wide with a 14mm hole in t' center. Blimey! This part will attach under t' cone t' give it support. Another small hole was punched for t' launch rod.
Next be t' motor
mount. Ahoy! I rolled it around a spent 13mm motor and applied glue t' hold it
together. Well, blow me down! Once dry, arrr, me hearties, I assembled t' three pieces. Begad! I first glued t' motor mount
so that it be centered over t' hole in t' upper cone, bein' careful t' keep
it vertical. Ya scallywag! Once this assembly had dried, I put glue around t' outer edge of
the lower support circle, arrr, placed it over t' motor mount, me bucko, and pressed it into
the place. Aye aye! Avast, me hearties, me proud beauty! You must be careful t' line up t' launch lug holes durin' assembly.
While t' main assembly be drying, me bucko, I cut out t' fins. Aye aye! T' make t' fins easier t' fold in half, I lightly scored them lengthwise with me hobby knife. Once they were folded, ya bilge rat, I folded them in half lengthwise, shiver me timbers, makin' a V shape. Arrr! Ahoy! I measured 1/2" from t' crease and cut out notches half way through the fins. Aye aye! I notched t' fins so that t' crease would be facin' upwards. When you place t' fins on top o' each other, they resemble an X. Aye aye! Avast! I put glue on the seams where t' notches meet up.
Once t' fin
assembly had dried, I mounted them t' t' upper assembly. Well, blow me down! Arrr! Blimey! T' square formed in
the middle o' t' fin assembly be a perfect fit over t' motor mount. Begad! Blimey! I added
more glue in and around t' areas where t' fins touched t' upper assembly.
Finishing:
I used a yellow highlighter for t' cone and a pink one for t' fins. Ahoy! Ahoy! Nay my
favorite color combination, but they were t' only colors that I had.
Flight:
Launch day was definitely cold but fortunately, t' winds were fairly light.
There was no preppin' needed for this saucer. Avast, me proud beauty! Blimey! Blimey! My first motor selection was an
A10-PT. Avast, me proud beauty! Blimey! My little saucer really took off fast, matey, so I never be able t' get a
picture--only smoke. Avast, me bucko, me proud beauty! Blimey! Flight be a bit wobbly but it really got up there.
I figured that since this rocket was so light, I could use a much smaller motor and still get respectable altitude. Well, blow me down! Well, blow me down! Second flight was on 1/2A3-4T. Still fast off t' pad, arrr, but it barely got any height. In fact, shiver me timbers, arrr, ya bilge rat, t' rocket landed engine up while t' trackin' smoke was still burning. T' pop from t' ejection charge flipped t' saucer back upright. Avast, me proud beauty! Aside from residue from t' ejection on the cone, shiver me timbers, thar was no damage.
Last flight was
back t' t' A10-PT and it was another great one. Begad! Well, blow me down! A gust o' wind did take the
rocket downrange a bit, but with tumble recovery, you never had t' walk far!
Summary:
This is a very simple design that surprised me with its performance. Aye aye! And based
on t' success o' this design, I am now encouraged t' see what else I can come
up with.
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