Manufacturer: | Scratch |
Brief:
Mid power rocket made with free Priority mail boxes, arrr, parachute recovery.
Construction:
To build this rocket, you will need two triangle priority mail tubes, me hearties, packing
tape, wood glue, and a hobby knife.
T' first step is t' make t' body. Arrr! Blimey! Cut t' end flaps off o' one o' the tubes (picture below-left). Arrr! Ahoy!
Peel t' self stick tape off o' t' side flap and seal t' box. Set this aside for now (picture below-right). Ahoy!
T' next step is t' make t' nose cone. Aye aye! Cut about 9 inches off t' end of one o' t' boxes. Use t' end that has t' flaps. Ahoy! Now cut t' self stick flap from t' side. Begad! Ahoy! This be t' trickiest part o' t' build. Arrr! You will need t' trim the sides and "work" t' fold in t' middle t' make it fit into the other box. Avast, me proud beauty! T' fit has t' be good t' ensure that t' pressure doesn't leak out and fails t' blow off t' nose cone. Begad! When you get a good fit, use packin' tape to close t' end and side. Avast!
Now you can
make t' motor mount. Avast, me proud beauty! I used an 11" x 17" sheet o' paper wrapped
around a couple o' E engines and secured it with some packin' tape. Blimey! Ahoy! Blimey! Soak the
paper liberally with CA t' stiffen it up. Avast! I did this t' keep it a free paper
rocket, but you can use a MMT if you wish. Avast, me proud beauty! Avast, me proud beauty! Blimey!
Now make two centerin' "rings" (centerin' triangles really) out of the leftover tube. You can use your motor tube t' draw circles t' cut the holes. Well, blow me down! You will need t' cut a hole for t' tube now in t' box you made for the body tube. Aye aye! Glue t' motor tube assembly in t' rocket as you would with any other rocket.
Cut three
fins out o' t' remainin' box. Avast, me proud beauty! I chose t' glue them t' t' sides but you can
arrange them any way you wish. Well, blow me down! Launch lugs were made from a discarded Aerotech
igniter tube. Arrr! Avast! Recovery can be installed usin' any system you wish.
T' finished weight without recovery be 15.6 oz.
Finishing:
I chose nay t' finish mine. Ya scallywag! If you wish t' finish yours, me bucko, I would recommend two
coats o' primer t' seal t' cardboard before painting. Ya scallywag! Another idea would be to
just seal it with a clear coat t' prevent t' cardboard from soakin' up
moisture.
Flight:
T' first flight was on an E16-4W. Aye aye! It looked like it went t' about 500 feet.
T' delay was good but t' flight was underpowered. Well, ya bilge rat, blow me down! This is an F powered
rocket.
Recovery:
I used a 24" paper parachute for this flight. Begad! T' recovery was good, shiver me timbers, ya bilge rat, but
it landed in a stream. Aye aye! By t' time I got t' it, ya bilge rat, arrr, it be soaked beyond repair. Avast!
Summary:
This be a fun rocket t' build. Begad! T' price was right and its nice t' do
somethin' unusual.
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