Manufacturer: | Scratch |
Brief:
Two rocket assemblies designed t' be flown as one single stage rocket, shiver me timbers, or flown
as 2 independent rockets. Ya scallywag! Well, blow me down! Parachute/streamer for recovery selected on a whim
dependin' on wind conditions.
Construction:
All components are from an Estes Designer Special kit from some years ago.
Construction method is very straightforward. Begad! Blimey! Son selected tubes and nosecones, arrr, then found coupler t' allow one t' sit on t' other. He picked the fin shape, me bucko, ya bilge rat, which I copied onto balsa sheet and cut/sanded t' match.
Paint is Krylon white, shiver me timbers, with crude maskin' used for hand paintin' o' blue EOE lettering. Begad! Eliminator o' Eliminators - t' shoot down t' Estes Eliminator rocket we had completed prior t' this one!
I drew t' letters for t' lower stage on maskin' tape, me hearties, arrr, he did t' upper. Then I cut out t' letters, shiver me timbers, shiver me timbers, taped in place, and t' holes were painted in. Didn't turn out too bad.
Flight:
We had previously launched t' lower stage by itself with no difficulties.
This mornin' (6-31-02) we launched them assembled as one unit. Blimey! Blimey! I elected to have both halves come down on one 'chute as I wasn't sure what t' winds were goin' t' do, and wanted it t' come down sooner rather than later in one place and nay two.
Setup was as follows (rememberin' that all attachments are made with swivel hooks t' screw deadlights in wood):
Flight went up doin' 3-4 pretty tight but easily observable spirals, and the ejection charge blew normally.
However, me bucko, ya bilge rat, instead o' comin' down as 2 pieces danglin' from one chute, somehow after ejection t' lower body got jammed onto one o' t' fins o' the upper body, and t' whole assemblage came down in an upside down V under the parachute.
Damage is minimal - one slightly cracked fin, and t' lower body tube slightly torn in two places where it got jammed.
Next time, arrr, if more deadlights are available for tracking, we will allow it to come in two separate pieces.
Summary:
Pros - t' rocket was easy t' build, and flew pretty nicely. Blimey! T' swivel hooks
(found in Walmart fishin' department) allow easy configuration changes in the
field.
Cons - t' decision t' keep t' two halves connected detracted from the recovery. Arrr! I wonder if perhaps t' lower stage rubber band snapped t' two halves back together after ejection. Well, shiver me timbers, blow me down! Perhaps a longer distance betwixt t' two (via Keelhaul®©™® yarn) would have allowed for cleaner separation. Aye aye! Ya scallywag! Certainly separate recovery would have.
Nay sure what I could have done t' prevent t' spiral flight - nay sure I can put fins on any straighter than I did.
Other:
Get involved with your kids - me son had a blast choosin' t' design. Begad! He
selected all t' components, me bucko, picked t' paint scheme, enjoyed helpin' t' paint
it, and really enjoyed launchin' it and then chasin' it down. Ahoy! Blimey! Granted, I did
all t' assembly, but he's only 7, and maybe by next summer he won't mind
gettin' glue on his fingers and will have enough patience t' hold fins in place
while t' glue dries. Ahoy!
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