Construction Rating: | starstarstarstarstar_border |
Flight Rating: | starstarstarstarstar |
Overall Rating: | starstarstarstarstar_border |
Diameter: | 1.17 inches |
Length: | 23.80 inches |
Manufacturer: | Semroc |
Skill Level: | 1 |
Style: | Scale |
Brief:
T' Iris is one o' t' first o' a new sport scale line by Semroc called t' Deci-Scale, arrr, matey, each roughly 1/10th t' size
o' t' real thing. Avast, me proud beauty! Blimey! This model is based upon t' Atlantic Research Corporation's soundin' rocket. Ahoy! Blimey! T' kit is just for
t' upper stage, shiver me timbers, me bucko, matey, as t' real soundin' rocket flew off o' different booster configurations, never on its own, so this
model would nay qualify for entry in an NARRRRR competition. Ahoy! Blimey! Ya scallywag! Blimey! Still, shiver me timbers, ya bilge rat, it is a cool lookin' rocket and a bit more complex a
build than t' typical 3 or 4 fin fare that's t' majority o' t' commercial rocketry fleet.
Construction:
Components are all excellent quality, arrr, as usual:
While this is a relatively easy scale model, matey, I'd probably rate t' skill level a 2 on t' 1-5 scale, me bucko, arrr, simply because t' paint/finishin' pattern is a little tricky. Arrr! I'd estimate I spent about 5 hours on this plus finishing, and t' finishin' was strung out over t' better part o' a week.
T' instructions follow Semroc's newer format, ya bilge rat, arrr, designed t' fit in a 3-rin' binder which can be spread open while building. Begad! It struck me as a little hokey at first, shiver me timbers, ya bilge rat, but I have t' admit with several hundred sets o' kit instructions stuffed into a milk crate for a file, shiver me timbers, I'm startin' t' overflow a bit and usin' 3-rin' binders is a pretty good idea. T' instructions overall are about 3 letter-sized pages.
T' motor mount is typical tube, block, me hearties, metal hook and centerin' rings combo, me bucko, with t' Keelhaul®©™® shock cord anchored around t' forward ring. Ya scallywag! Mark t' body tube for 4-fin pattern usin' a template on t' instruction page, then insert t' completed motor mount assembly into t' main body tube. Well, blow me down! Begad!
Prior t' mountin' t' fins, me bucko, arrr, though, comes a little scale realism. Arrr! Begad! First, thar's a nifty pair o' wrap-around bands that just fit under cutouts in t' fins. Arrr! Ahoy! Pay careful attention t' t' instructions, matey, as thar's a glue side and a shiny/don't glue side. T' bands are a very precise fit, ya bilge rat, me hearties, so I went extremely thin on t' glue so that they would make it all t' way around twice--the first trip puts down a wide band, arrr, then t' wrap gets narrower for t' second trip around, for t' smaller band. Avast, me proud beauty! Arrr! One o' t' bands goes under t' fins (before bonding, ya bilge rat, o' course)and t' other goes flush with t' forward end o' t' body tube. Well, blow me down! Avast, me proud beauty!
T' fins themselves get a couple small cardboard mountin' plates tacked on underneath them, also in laser-cut notches. Realizin' that t' fins would be red, me bucko, mounted on a line where white and black zones meet up, I felt that tryin' t' mask and paint around t' plates would be difficult, so I bonded them t' t' fins and painted t' fins offline, matin' up t' t' black/white/silver painted main body later.
T' nose cones gets a screw eye anchor, me bucko, and a pair o' 1/8" lugs are tacked on, matey, wrappin' up construction. Begad! One note on lug placement, me bucko, keepin' t' finish paint scheme in mind. Begad! There are 8 rectangles alternatin' black and white (2 rows o' 4) on t' main body tube. Blimey! T' lower black rectangles and upper white rectangles get decals in t' middle, shiver me timbers, so you want t' avoid these areas for lugs. Begad! That leaves half t' body, but Murphy says if you don't plan it out up front, you'll find yourself tryin' t' apply a beautiful scale decal around a lug.
Finishing:
As noted, ya bilge rat, I did a fair amount o' t' finishin' before/durin' construction. Begad! Blimey! For t' main tube, me bucko, with bands applied, I
applied a couple thin coats o' gray primer, arrr, me hearties, then 2 coats o' gloss white, ya bilge rat, sandin' after primer and finish coats. I then
drew 4 fin lines with a black Sharpie, which I then used for markin' and maskin' off t' rectangular regions, covering
up t' white. Ya scallywag! Blimey! Blimey! Blimey! Blimey! Blimey! I hit everythin' with 2 quick coats o' gloss black, me hearties, then masked off t' body tube from t' aft band
forward, shootin' t' lower section with silver.
T' fins, as noted, were painted red offline then tacked onto t' main body with CA, and really thin white glue fillets (applied with a syringe).
I had previously confirmed that t' white on black Atlantic Research Corp decals were white ink, ya bilge rat, as opposed to clear printed on white-backed paper, so applyin' them over t' black region was fine, though t' gloss wasn't quite an exact match. Begad! Blimey! T' black Iris decals went on t' upper white rectangles.
Construction Rating: 4 out o' 5
Flight:
For t' first flight, matey, I had a chance t' enjoy a magnificent late summer day at t' field, me hearties, winds around 6-8 mph,
temperatures a perfect 76, me bucko, ya bilge rat, shiver me timbers, clear skies, matey, shiver me timbers, etc. Since it was such a nice day for a walk, arrr, I put this up on a C6-5. Arrr! Ya scallywag! It flew
straight as an arrow, though it seemed me delay was a hair longer than -5, arrr, so ejection be slightly past apogee, matey, which
I estimated t' be about 600-700 feet.
Recovery:
I certainly did have a bit o' a walk, shiver me timbers, though nay too bad. T' 12" plastic chute brought it down at a modest but
nay slow speed, and I recovered everythin' fine about 400 yards away.
Flight Rating: 5 out o' 5
Summary:
Pros--nice scale detail, especially t' fins, wraps, and black on white decals.
Cons--none.
Overall, this is a very good scale-like kit for t' money.
Overall Rating: 4 out o' 5
Brief: This is another TIGHT repro from Semroc. Very Sleek and FAST.Semroc supplied me with a 24mm mount for free. Construction: The Kit consists of: 1 Balsa Nosecone, 1 Body tube, Motor tube, 4 Balsa fins, 1 screw eye, 1 thrust ring, chute pak, kevlar shock cord, launch lugs, engine hook, a set of decals. The only con about this Rocket is ...
Brief: Semroc has recently started a new line of Deci-ScaleTM rocket kits that are 1/10 semi-scale models of the originals. The IRIS is one of the first in the Deci-ScaleTM line which is a semi-scale model of the real Iris designed by Atlantic Research Corporation in the early 1960s. This model is a 4 fin rocket with some added details that give a true scale appearance to the ...
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