Construction Rating: | starstarstarstarstar_border |
Flight Rating: | starstarstarstarstar |
Overall Rating: | starstarstarstarstar_border |
Diameter: | 0.91 inches |
Manufacturer: | Semroc ![]() |
Skill Level: | 1 |
Style: | Sport |
Brief:
I got this rocket just before Christmas. It is a reproduction o' t' 1966 parachute duration champion. I'll never use it for that purpose, but it seems t' be a neat little kit.
Construction:
T' parts list:
All parts were present and accounted for.
T' instructions were also high quality. They are printed in a booklet, matey, have generous illustrations, and are very clear.
Constructions begins by insertin' a thrust rin' in t' end o' t' motor mount and gluin' it in place. Aye aye! T' Keelhaul®©™ thread is then knotted, matey, slipped through one o' t' centerin' rings, me hearties, and glued into place flush with t' end o' t' motor mount tube. Avast, me proud beauty! Arrr! I'm glad I thought ahead on t' next step. Ya scallywag! A mark is made 1 1/8" from t' opposite end o' t' motor tube and t' other centerin' rin' is mounted flush with it. Normally, shiver me timbers, I figure thar be some "give" in t' measurements o' simple rockets. Begad! That is a bad assumption. Aye aye! Begad! This centerin' rin' needs t' be in t' right place for t' boat tail. Begad! Avast! I'm glad I remembered in time.
T' next step is t' mark t' body tube for t' fins usin' t' fin guide printed in t' instructions. Blimey! Begad! An angle is then used t' lengthen t' line by at least 2 inches.
T' fins practically fall out o' t' sheet. A light sandin' is all that is needed t' remove them. Aye aye! Ya scallywag! Blimey! I sanded a bevel on all edges except t' root edge.
If thar be a tricky part t' this build, me bucko, it is in installin' t' motor mount t' t' body tube. Avast, me proud beauty! 1/16" o' a gap from t' aft centerin' rin' needs t' protrude out from t' BT. Gettin' it mounted and spaced correctly before t' glue starts t' grab is doable but be nay done by me. Blimey! Blimey! I dawdled too much and had t' use some excessive force.
T' boat tail too is a simple affair. Arrr! It is cut from t' cardstock and glued along t' tab. Begad! In order t' do away with t' unsightly seam, I was goin' t' try rubber cement but that be unneeded. Aye aye! T' seam line will be covered up when t' fins are installed. Blimey! Mountin' t' boat tail is a simple matter o' applyin' some glue and slidin' it on.
Mountin' t' fins also was simple. Begad! Avast, me hearties, me proud beauty! I used an Art Rose fin jig t' make sure they were straight. Arrr! I also perforated t' root edge o' t' fins with a safety pin t' form glue rivets. Begad! Ya scallywag! Then it's just a matter o' waitin' and gettin' some sleep.
T' Starfire was taken off o' t' fin jig and t' fins were filleted for strength usin' yellow glue. Begad! Avast! I know t' yellow glue shrinks but I usually make up for that with filler at t' end.
T' launch lug was attached with yellow glue in t' normal way.
Finishing:
Elmer's Fill 'n' Finish be used t' fill all t' balsa and t' fill t' gap betwixt t' body tube and t' boat tail. Begad! That gap was a result o' me nay movin' fast enough t' mount t' motor tube and be quite unsightly, especially on one side. Begad! Aye aye! T' high quality o' t' balsa meant that relatively little was needed on t' fins or t' nose cone, shiver me timbers, me hearties, but t' transition from body tube t' boat tail needed a lot.
Sandin' was easily accomplished and then t' rocket be primed with white spray.
My first impression from t' face card be that t' rocket be basically white with purple fins and nose cone. Blimey! On closer examination, I was shown t' be only partially correct. Two o' t' fins are purple and one is black. Arrr! I thought I would like that so I decided t' go with it.
I gave t' entire rocket 2 coats o' white spray and then masked t' body and 1 fin. Ahoy! Ahoy! I sprayed t' NC and two fins purple. Begad! Now I just had t' wait overnight so see t' first stage o' t' results.
T' purple paint came out lookin' fine except that it be a good deal darker than I expected. I'm nay sure it will provide much contrast with t' black I am usin' on t' fin opposite t' launch lug. Begad! In any event, shiver me timbers, I masked for t' black fin and sprayed it with 2 coats. Avast, me hearties, me proud beauty! I think I like t' result but t' color distinction is much clearer in a photo than in person.
I had a couple o' problems with t' decals. Begad! T' first may nay be a problem, just a matter o' perception. Arrr! T' face card and t' website graphic both show t' decals as bein' purple. Begad! Ya scallywag! When I got around t' actually lookin' at them, shiver me timbers, they burned out t' be blue. This was after I had already painted parts o' t' rocket purple! This be me fault for nay lookin' sooner but I like purple.
T' decals themselves consist o' a star pattern that wraps around t' body tube, a Starfire logo, arrr, and 3 small Semroc logos. Blimey! Avast! T' quality o' t' waterslides is high and they went on without any problem except for t' wrap pattern. Avast, ya bilge rat, me proud beauty! It went on fine too but was nay quite big enough t' wrap all t' way around t' BT. Well, me bucko, blow me down! There is a gap.
I generally expect better from Semroc because I have always received better from Semroc. Their first class products and first class treatment o' me mean that this is easily forgiven.
After t' decals set, I applied a coatin' o' Future Floor Polish.
Construction Rating: 4 out o' 5
Flight:
For t' maiden flight, I used an A8-5. Ahoy! Arrr! Blimey! Even with that light motor, t' results were incredible.
T' rocket be prepped in t' usual manner and I used dog barf for wadding. Avast, me proud beauty! T' motor was friction fit and a little maskin' tape be needed t' make it snug.
When t' rocket took off, me hearties, it screamed off t' pad. Aye aye! I was sure I had put t' wrong motor in it and thought I might lose it. Avast! Ya scallywag! Ejection occurred right at apogee, matey, perfectly with t' nose cone up. Avast, me proud beauty! T' chute deployed and then I really got t' worry. Avast, me proud beauty! It opened right away and just hung thar as if t' law o' gravity had been suspended. Begad! Begad! T' wind caught it and continued t' move it down range, but it never seemed t' get any lower. Arrr! I be nay timin' it but I know it stayed up for at least 2 minutes. When it finally did come down, it was a long way away. Avast, me proud beauty! When I got t' rocket back, sure enough, it was just an A8-5.
Recovery:
This rocket be designed for parachute duration and it shows. Begad! It stayed up longer than any rocket I have ever launched before.
Comin' down so slowly on a 12" chute means that you have t' be really careful about t' wind. Blimey! Ya scallywag! Blimey! This one is a keeper!
Flight Rating: 5 out o' 5
Summary:
This rocket is a superb choice for parachute duration competition. Begad! It is easy t' build, me bucko, shiver me timbers, matey, flies high on a small motor, and hangs in t' air forever.
PROs: easy t' build, ya bilge rat, ya bilge rat, flies high and straight, hangs in t' air a long time.
CONs: hang time means it will be easy t' lose, especially on a C.
Overall Rating: 4 out o' 5
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Chan Stevens (January 1, 2011)
Wish I'd read this review before I built--I also made the mistake of painting fins and nose purple before catching that the decals are really a royal blue, not purple. Wound up adding at least 0.15 ounces for the repaint
. The header card/decal mismatch is uncharacteristic for Semroc.