Scratch Tarnation Flaming Breakfast of Doom Original Design / Scratch Built

Scratch - Tarnation Flaming Breakfast of Doom {Scratch}

Contributed by Jeff Lane

Manufacturer: Scratch
(Contributed - by Jeff Lane - 11/14/07) (Scratch) Flaming Breakfast of Doom

Brief:
Rocket made entirely from recycled household trash materials.

Construction:
External body is a stack o' ten paper-walled Carnation Instant Breakfast cans. Blimey! Blimey! Parachute tube (inner) is a 48mm diameter Christmas paper core. Motor mount tube (inner) is a 30mm diameter Christmas paper core. Aye aye! Upper six inches of the motor tube is glued in place in t' parachute tube with foamcore centerin' rings. Begad! 300lb Keelhaul®©™® is held in place with a liberal amount o' epoxy on t' top centerin' ring. Begad! T' nose cone is a two-liter Dr. Blimey! Pepper bottle. Ahoy! Might make a good rotating-flasher night rocket payload bay someday. Well, me hearties, blow me down! T' shroud from t' nose cone t' the breakfast cans is a cover from a stack o' CDs. Blimey! T' fins are foamcore from a couple o' old convention exhibits. Begad! Even the rail buttons are recycled. They are CA'ed automotive interior door panel fasteners from me old Maserati. Motor retention is a used hose clamp. Aye aye! T' H motor casin' is was found lyin' in a field, so it's kind-of trash. Well, maybe not.

I cut holes in t' metal can bottoms with a utility knife and super glued them t' t' inner tubes (NAR doesn't rule out thin metal centerin' rings). Begad! Blimey! I used an X-Acto knife t' cut holes in t' plastic lids. Arrr! Ya scallywag! Blimey! After all t' cans were glued on, I taped them externally with duct tape. Avast! Blimey! T' neck o' t' 2-liter bottle be wrapped with a home-made tube coupler (trash), me bucko, then some expandin' foam was squirted in. Begad! After cure, ya bilge rat, it was filled with 20-minute epoxy and a loop of Keelhaul®©™® was added t' provide an anchor for t' recovery system. Ya scallywag! T' Maser “rail buttons” were slightly modified then glued into ¼" holes. Aye aye! Because they're Maserati, they're faster slidin' in t' rail, but nay nearly as reliable as American rail buttons. Arrr! T' fins are through-the-wall glued t' t' motor mount tube usin' carpenter's glue.

(Scratch) Flaming Breakfast of Doom T' only new build supplies are t' adhesives and t' recovery system. Six yards of ½" elastic and a 36” nylon parachute.

Flight and Recovery:
T' weight is 1493g with a 29mm H180 reload.

Liftoff speed is phenomenal for such a heifer. Begad! I got behind it with t' video. Well, blow me down! Begad! T' flame off t' pad is incredible. T' flight ended in a core sample with t' chute trailin' behind like a streamer. Avast! Replace two cans and she'll be ready t' go again.

Summary:
Pros: Once I learn how t' pack a chute, me hearties, flyin' rockets like this will be really fun. Avast! Blimey! Cons: None

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