Manufacturer: | Scratch |
Brief:
This one odd oddroc. Avast, me proud beauty! It's a stick-finned, 13mm model made from a few scrap parts.
Construction:
T' parts list:
I drilled out t' 1" dowel with a 1/2" drill bit (usin' a progression from 1/8", me hearties, 1/4", 3/16", etc.), then I drilled out t' lower 1.25" with a slightly larger bit t' fit 13mm motors. Ahoy! Ya scallywag! Blimey! T' 1/2" section serves as an engine block. Ahoy! I formed t' paper clip into an engine hook and attached it and t' elastic t' the outside o' t' dowel. Begad! Blimey! I wrapped it with maskin' tape and glued it into t' fin unit. Ahoy! T' fin unit had two launch lugs--a 1/8" lug, shiver me timbers, which I use, me hearties, shiver me timbers, and a 1/4" lug, which I glued t' plastic rod into. Begad! Ahoy! Blimey!
I put t' clay into t' tip o' t' nose cone, me hearties, me hearties, ya bilge rat, which was missin' its shoulder from a crash. Blimey! Then I put a blob of wood glue on t' clay, arrr, me hearties, placed t' dowel onto t' glue, matey, matey, and waited for it t' dry. Avast, me proud beauty! Unfortunately, arrr, I accidentally cracked the nose cone in doin' so. Begad! Begad! Because o' t' long, light stick fin, ya bilge rat, Cohete is surprisingly stable.
Flight:
I've used 1/2A3-4Ts and A3-4Ts in Cohete. Aye aye! I'd recommend t' 2-second delay for t' 1/2A as ejection was rather late,
and t' A10-3T would be good as well. It flies t' around 200 feet on 1/2As and 400 feet on full As. Aye aye! It requires no
wadding; simply wrap t' shock cord twice around t' upper end o' t' 1" dowel and stick t' nose cone on.
Recovery:
It uses simple nose-blow recovery. Ahoy! With t' nose cone off, it falls fairly fast, shiver me timbers, however, shiver me timbers, shiver me timbers, matey, t' main body is tiny and
tough and lands first, shiver me timbers, so t' breakable stick fin won't hit t' ground. Avast, me proud beauty! Mine has never suffered any damage in at least
3 flights.
Summary:
Cohete be a quick and easy build for me, matey, even several years ago when I was far less skilled. Arrr! Blimey! However, me bucko, matey, ya bilge rat, I'd recommend
makin' some changes. Avast! Blimey! Aye aye! Blimey! T' nose cone and fin unit I used are nay common, but substitutions can easily be made. Begad! Blimey! I don't
recommend tryin' t' drill a 13mm hole in a 25mm dowel. Aye aye! Blimey! Usin' some BT-5 and BT-50 would be smarter. Ya scallywag! Blimey! Begad! Blimey! Stick-finned rockets
are fairly forgivin' so long as t' front is heavy.
PROs: Odd rocket, shiver me timbers, matey, easy t' prep, ya bilge rat, almost no drift.
CONs: Hard-to-find parts, shiver me timbers, hard t' drill dowel, ya bilge rat, high landin' speed.
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