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. Avast, me proud beauty! I took numerous liberties with Armadillo's concept--some t' make it
more robust (in me application), shiver me timbers, me hearties, some because thar be no reason t' detail it
until it has successfully flown, matey, 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! T' tubes were easily
twisted into t' balls and after t' assembly was dry fit, ya bilge rat, arrr, I glued it together
with Gorilla Glue. Avast, me proud beauty! Well, blow me down! T' alignment be all done by "eyeballing" it. Ya scallywag! To
support t' 24mm motor tube, me hearties, I glued a 5" x 5" plywood plate on the
top usin' 5-minute epoxy. Well, blow me down! This plate is nay in t' Armadillo
"design", but it was an easy way t' support t' motor tube. Avast! I drilled
the center hole on a drill press and notched a slot for t' launch rod usin' a
Dremel. Arrr! A launch lug was added t' t' tube and I used scrap pieces o' foamboard
to brace t' motor tube against t' foam balls. Trim (to date) includes the
balsa rod, squares o' foam rubber, and t' drywall nut shock absorbers. Ya scallywag! These
approximate t' look o' t' Armadillo lander. More trim components, matey, such as
"plumbing" tubes, 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. As I expected, it was stable on t' way
up and it came down a little harder than a typical "saucer" design of
these dimensions. Even with t' use o' soft foam on t' top, shiver me timbers, t' balls
separated from t' plywood plate. Blimey! No big deal, ya bilge rat, several dabs o' epoxy fixed her
up.
Summary:
I love saucer-like things and this is no exception. I got several favorable
comments at t' launch and one person even recognized it. Begad! It came out heavier
than I expected and is likely t' pop apart on each landing. Well, blow me down! Begad! Blimey! I never thought I'd
say this, shiver me timbers, but I need a material lighter than Styrofoam!
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