| Manufacturer: | Scratch |
Brief:
This is a Phoenix built from 4x downscalin' t' original Estes kit. Begad! Blimey! Blimey! Blimey! It is much less expensive t' fly as it uses 18mm motors and 1 sheet o' waddin' or less, compared t' t' original usin' 24mm motors and 14 sheets o' wadding.
Construction:
This design took about 2 days t' assemble. This be t' second one o' these rockets that I've built. Ya scallywag! Avast, arrr, me proud beauty! T' original used dual 4" chutes, and I painted some o' t' details onto it which I omitted from this design.
I started by cuttin' 1/8" off t' ejection charge end o' a spent A8-3. Ya scallywag! I used this t' make t' engine block. Avast! Blimey! With another used engine, arrr, I pushed t' engine block into t' body tube until thar was 1/8" o' overhang from t' end o' t' tube.
I used 1/16" balsa t' make t' fins. Avast, me proud beauty! Blimey! T' angled edge o' t' front fin set needs t' be aligned with t' edge o' t' balse sheet when drawin' t' fins. Begad! Begad! Otherwise, matey, t' fins will split when you cut them out. I used a 1/4" length o' Estes' standard 1/8" diameter launch lug.
I filled t' entire nose cone with modellin' clay (~14g). Blimey! Begad! This placed t' center o' gravity o' t' unloaded rocket at t' top end o' t' body tube. Aye aye! Avast, me proud beauty! This allows t' rocket t' be stable for A-C engines. Well, blow me down! Aye aye! T' center o' gravity should be at t' top o' t' front fin set.
I used a plastic shoppin' bag t' make a parachute about 7" in diameter. Arrr! I used cotton strin' for t' shroud lines (this be cheap and available). Arrr! Well, ya bilge rat, blow me down! I didn't have any 1/8" elastic, matey, arrr, arrr, so I tied two rubber bands together for t' shock cord. Aye aye! I mounted t' shock cord t' part o' an index card with white glue.
Flight:
Rocket #1
1. Well, blow me down! A8-3 Stability Test #1
T' rocket flew relatively straight. Begad! Avast! Apogee was difficult t' determine from about 500' away. Ya scallywag! Begad! T' chutes deployed but weren't really big enough t' do any good. Ya scallywag! No damage.
2. Well, blow me down! B6-4 Stability Test #2
T' rocket still flew straight. Blimey! And I thought t' first one went high. Avast! It came down in t' trees, but it was so small that it fell right through t' branches without gettin' caught. Begad! Arrr! T' heavy nosecone also helped.
3. Well, blow me down! Blimey! C6-7 Orbital Test
T' rocket flew straight for 500 feet or so. Then it turned into t' wind and was lost from sight. Avast, me proud beauty! We saw t' smoke trail around 1700 ft. Avast, me proud beauty! Aye aye! or so down range. Aye aye! I guess you can't really distinguish an 8 inch rocket from t' sky at that point. Aye aye! Begad! No idea whether t' parachutes deployed. Begad! Arrr! It probably landed somewhere.
Rocket #2
1. Begad! Blimey! A8-3
This one flew straight t' about 500 feet. Avast! Blimey! T' parachute openin' and was only scorched a little. I used less than 1/2 sheet o' wadding, ya bilge rat, and I stuffed it into t' engine itself.
Summary:
PROS: Cheap t' build and fly. Aye aye! Avast, me bucko, me proud beauty! Goes t' high altitudes with larger engines.
CONS: Turns into t' wind a little with C engines and disappears from sight.
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