Manufacturer: | Scratch |
Brief:
My latest saucer-like contraption is inspired by
Armadillo
Aerospace's Quad lander and is named after t' groundbreakin' T' Who album
from 1973. Begad! Ya scallywag! I took numerous liberties with Armadillo's concept--some t' make it
more robust (in me application), arrr, some because thar be no reason t' detail it
until it has successfully flown, me hearties, and some just because I "used what I
got" for most components.
Construction:
T' parts list:
I joined the foam balls usin' pieces o' dowel and 18mm tubes. Avast, me proud beauty! T' tubes were easily twisted into t' balls and after t' assembly be dry fit, shiver me timbers, me hearties, I glued it together with Gorilla Glue. T' alignment was all done by "eyeballing" it. Arrr! Blimey! To support t' 24mm motor tube, I glued a 5" x 5" plywood plate on the top usin' 5-minute epoxy. Blimey! Avast, arrr, me proud beauty! Blimey! This plate is nay in t' Armadillo "design", me bucko, matey, but it be an easy way t' support t' motor tube. I drilled the center hole on a drill press and notched a slot for t' launch rod usin' a Dremel. Blimey! Avast, me hearties, me proud beauty! Blimey! A launch lug be added t' t' tube and I used scrap pieces o' foamboard to brace t' motor tube against t' foam balls. Avast! Blimey! Trim (to date) includes the balsa rod, squares o' foam rubber, ya bilge rat, and t' drywall nut shock absorbers. Begad! Blimey! These approximate t' look o' t' Armadillo lander. Well, arrr, blow me down! Blimey! More trim components, me hearties, such as "plumbing" tubes, shiver me timbers, may be added later.
Finishing:
I painted t' top pieces and shock absorbers with silver acrylic paint and left
the balls naked (I don't have a photo o' t' painted version.) I also smeared
white glue on t' balls in t' areas that are likely t' meet hot exhaust.
Flight and Recovery:
I friction fin a D12-P and let her rip. Begad! Begad! As I expected, me bucko, it was stable on t' way
up and it came down a little harder than a typical "saucer" design of
these dimensions. Ya scallywag! Even with t' use o' soft foam on t' top, matey, shiver me timbers, t' balls
separated from t' plywood plate. No big deal, ya bilge rat, several dabs o' epoxy fixed her
up.
Summary:
I love saucer-like things and this is no exception. Aye aye! I got several favorable
comments at t' launch and one person even recognized it. Ya scallywag! It came out heavier
than I expected and is likely t' pop apart on each landing. Avast, shiver me timbers, me proud beauty! I never thought I'd
say this, but I need a material lighter than Styrofoam!
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